Exemplo n.º 1
0
// This is the pt corrected delta phi between the 2 leptons
// P and L2 are the 4-vectors for the 2 hemispheres, or in you case,
// the two leptons - setting mass to 0 should be fine
// MET is the MET 3 vector (don't forget to set the z-component of
// MET to 0)
// This function will do the correct Lorentz transformations of the 
// leptons for you
double HWWKinematics::CalcDeltaPhiRFRAME(){
  // first calculate pt-corrected MR
  float mymrnew = CalcMRNEW();
  
  // Now, boost lepton system to rest in z
  // (approximate accounting for longitudinal boost)
  TVector3 BL = L1.Vect()+L2.Vect();
  BL.SetX(0.0);
  BL.SetY(0.0);
  BL = (1./(L1.P()+L2.P()))*BL;
  L1.Boost(-BL);
  L2.Boost(-BL);
  
  // Next, calculate the transverse Lorentz transformation
  // to go to Higgs approximate rest frame
  TVector3 B = L1.Vect()+L2.Vect()+MET;
  B.SetZ(0.0);
  B = (-1./(sqrt(4.*mymrnew*mymrnew+B.Dot(B))))*B;
  
  L1.Boost(B);
  L2.Boost(B);
  
  //Now, re-calculate the delta phi
  // in the new reference frame:
  return L1.DeltaPhi(L2);
  
}
Exemplo n.º 2
0
double CosThetaStar(TLorentzVector p1, TLorentzVector p2){
	TLorentzVector p = p1 + p2;
	TVector3 theBoost = p.BoostVector();
	TVector3 bostDir;
	if ( theBoost.Mag() != 0 ) bostDir = theBoost.Unit(); // / theBoost.Mag());
	else return -1;
	p1.Boost(-theBoost);
	if (p1.Vect().Mag()!=0) return p1.Vect().Dot(bostDir) / p1.Vect().Mag();
	else return -1;	
}
Exemplo n.º 3
0
// This is the pt corrected MR - here, we assume the pt
// of the Higgs is (MET+Pt+Qt);
// L1 and L2 are the 4-vectors for the 2 hemispheres, or in you case,
// the two leptons - setting mass to 0 should be fine
// MET is the MET 3 vector (don't forget to set the z-component of
// MET to 0)
// Also, 2 times this variable should give you the Higgs mass
double HWWKinematics::CalcMRNEW(){
  TVector3 vI = MET+L1.Vect()+L2.Vect();
  vI.SetZ(0.0);
  double L1pL2 = CalcMR(); //Note - this calls the old MR function
  double vptx = (L1+L2).Px();
  double vpty = (L1+L2).Py();
  TVector3 vpt;
  vpt.SetXYZ(vptx,vpty,0.0);
  
  float MR2 = 0.5*(L1pL2*L1pL2-vpt.Dot(vI)+L1pL2*sqrt(L1pL2*L1pL2+vI.Dot(vI)-2.*vI.Dot(vpt)));
  
  return sqrt(MR2);
  
}
Exemplo n.º 4
0
// M is the MET 3 vector (don't forget to set the z-component of
// MET to 0)
double HWWKinematics::CalcMRNEW(TLorentzVector P, TLorentzVector Q, TVector3 M){
 TVector3 vI = M+P.Vect()+Q.Vect();
 vI.SetZ(0.0);
 double PpQ = CalcMR(P,Q); //Note - this calls the old MR function
 double vptx = (P+Q).Px();
 double vpty = (P+Q).Py();
 TVector3 vpt;
 vpt.SetXYZ(vptx,vpty,0.0);

 float MR2 = 0.5*(PpQ*PpQ-vpt.Dot(vI)+PpQ*sqrt(PpQ*PpQ+vI.Dot(vI)-2.*vI.Dot(vpt)));

 return sqrt(MR2);

}
Exemplo n.º 5
0
Path::Path(const TLorentzVector& p4, const TVector3& origin, double field)
    : m_unitDirection(p4.Vect().Unit()),
      m_speed(p4.Beta() * gconstc),
      m_origin(origin.X(), origin.Y(), origin.Z()),
      m_field(field) {
  m_points[papas::Position::kVertex] = m_origin;
}
Exemplo n.º 6
0
// This is the pt corrected delta phi between the 2 mega-jets
// P and Q are the 4-vectors for the 2 hemispheres 
// M is the MET 3 vector (don't forget to set the z-component of
// MET to 0)
// This function will do the correct Lorentz transformations of the 
// leptons for you
double HWWKinematics::CalcDeltaPhiNEW(TLorentzVector P, TLorentzVector Q, TVector3 M){
    // first calculate pt-corrected MR
 float mymrnew = CalcMRNEW(L1,L2,MET);

    //Next, calculate the transverse Lorentz transformation
 TVector3 B = P.Vect()+Q.Vect()+MET;
 B.SetZ(0.0);
 B = (-1./(sqrt(4.*mymrnew*mymrnew+B.Dot(B))))*B;

 P.Boost(B);
 Q.Boost(B);

    //Now, re-calculate the delta phi
    // in the new reference frame:

 return P.DeltaPhi(Q);

}
Exemplo n.º 7
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double HWWKinematics::CalcUnboostedMTR(TLorentzVector P, TLorentzVector Q, TVector3 M){
    // first calculate pt-corrected MR
 float mymrnew = CalcMRNEW(L1,L2,MET);

    //Next, calculate the transverse Lorentz transformation
 TVector3 B = P.Vect()+Q.Vect()+MET;
 B.SetZ(0.0);
 B = (-1./(sqrt(4.*mymrnew*mymrnew+B.Dot(B))))*B;

 P.Boost(B);
 Q.Boost(B);

    //Now, re-calculate MTR in the new reference frame:
 float mymtrnew = CalcMTRNEW(P, Q);

    //R is now just the ratio of mymrnew and mymtrnew;

 return mymtrnew;
}
Exemplo n.º 8
0
inline float kinematics::cosThetaBoost( TLorentzVector* pa, float ca,
										TLorentzVector* pb, float cb )
{
	// http://xrootd.slac.stanford.edu/BFROOT/www/doc/workbook_backup_010108/analysis/analysis.html
	// A useful quantity in many analyses is the helicity angle.
	// In the reaction Y -> X -> a + b, the helicity angle of 
	// particle a is the angle measured in the rest frame of the
	//decaying parent particle, X, between the direction of the
	// decay daughter a and the direction of the grandparent particle Y.

	TLorentzVector pTmp = (*pa)+(*pb); // this is the mumu system (Z) 4vector
	TVector3 ZboostVector = pTmp.BoostVector(); // this is the 3vector of the Z
	TLorentzVector p; // this is the muon 4vector
	
	if(ca<0)      p.SetPxPyPzE(pa->Px(),pa->Py(),pa->Pz(),pa->E());
	else if(cb<0) p.SetPxPyPzE(pb->Px(),pb->Py(),pb->Pz(),pb->E());
	p.Boost( -ZboostVector ); // boost p to the dimuon CM (rest) frame
	float cosThetaB = p.Vect()*pTmp.Vect()/(p.P()*pTmp.P());
	//if (ySystem(pa,pb) < 0) cosThetaB *= -1.; // reclassify ???
	return cosThetaB;
}
Exemplo n.º 9
0
////////////////////////////////////////////////////////////////////////
// Calculates theta and phi in HX frame
////////////////////////////////////////////////////////////////////////
pair<double, double> GetAngles_HX( TLorentzVector a,  TLorentzVector b) {
	TLorentzVector c = a+b;                   // JPsi momentum in lab frame
	TVector3 bv = c.BoostVector();
	TLorentzVector p1(0., 0.,  1380., 1380.); // beam momentum in lab frame
	TLorentzVector p2(0., 0., -1380., 1380.); // beam momentum in lab frame
	p1.Boost(-bv);
	p2.Boost(-bv);
	TVector3 beam1 = p1.Vect().Unit();        // beam direction in JPsi rest frame
	TVector3 beam2 = p2.Vect().Unit();        // beam direction in JPsi rest frame

	TVector3 Z = c.Vect().Unit();             // JPsi direction in lab frame
	TVector3 Y = beam1.Cross( beam2 ).Unit(); // the production plane normal
	TVector3 X = Y.Cross(Z).Unit();           // completes the right-handed coordinate

	a.Boost(-bv);                             // muon+ momentum in JPsi rest frame
	TVector3 mu(a.Vect().Dot(X), a.Vect().Dot(Y), a.Vect().Dot(Z)); // transform to new coordinate
	pair<double, double> angles;
	angles.first = mu.Theta();
	angles.second = mu.Phi()>0. ? mu.Phi() : mu.Phi()+2.*TMath::Pi();
	return angles;
}
Exemplo n.º 10
0
// This is the deltaphi between the di-lepton system and the Higgs
// boost in the approximate Higgs rest frame, or R-FRAME
// L1 and L2 are the 4-vectors for the 2 hemispheres, or in you case,
// the two leptons - setting mass to 0 should be fine
// MET is the MET 3 vector (don't forget to set the z-component of
// MET to 0)
// This function will do the correct Lorentz transformations of the 
// leptons for you
double HWWKinematics::CalcDoubleDphiRFRAME(){
  // first calculate pt-corrected MR
  float mymrnew = CalcMRNEW();
  
  TVector3 BL = L1.Vect()+L2.Vect();
  BL.SetX(0.0);
  BL.SetY(0.0);
  BL = (1./(L1.P()+L2.P()))*BL;
  L1.Boost(-BL);
  L2.Boost(-BL);
  
  //Next, calculate the transverse Lorentz transformation
  TVector3 B = L1.Vect()+L2.Vect()+MET;
  B.SetZ(0.0);
  B = (-1./(sqrt(4.*mymrnew*mymrnew+B.Dot(B))))*B;
  
  L1.Boost(B);
  L2.Boost(B);
  
  // Now, calculate the delta phi
  // between di-lepton axis and boost
  // in new reference frame
  
  return B.DeltaPhi(L1.Vect()+L2.Vect());
  
}
void Boost_To_Stop_Rest_Frame(TLorentzVector& stop4, TLorentzVector& chargino4, TLorentzVector& b4, TLorentzVector& neutralino4, TLorentzVector& W4, TLorentzVector& up4, TLorentzVector& down4, TLorentzVector& s4)
{
    TVector3 betaV(-stop4.Px()/stop4.Energy(),-stop4.Py()/stop4.Energy(),-stop4.Pz()/stop4.Energy());
    stop4.Boost(betaV);
    chargino4.Boost(betaV);
    b4.Boost(betaV);
    neutralino4.Boost(betaV);
    W4.Boost(betaV);
    up4.Boost(betaV);
    down4.Boost(betaV);
    s4.SetE(chargino4.P()/chargino4.M());
    s4.SetVect(chargino4.Vect().Unit()*chargino4.Gamma());
}
Exemplo n.º 12
0
void gravitonPythia(){

  gStyle->SetOptStat(0);

  TreeReader data("pythia8_RS_WW.root");

  TH1F* h_cosTh = new TH1F("h_cosTh","RS Graviton by Pythia8",100,-1,1);
  h_cosTh->SetMinimum(0);
  h_cosTh->Sumw2();

  TH1F *h_cosThStar = (TH1F*)h_cosTh->Clone("h_cosThStar");
  
  for(Long64_t ev = 0 ; ev < data.GetEntriesFast(); ev++){

    data.GetEntry(ev);

    Int_t nGenPar = data.GetInt("nGenPar"); 
    Int_t* genParId = data.GetPtrInt("genParId");
    Int_t* genParSt = data.GetPtrInt("genParSt");
    Float_t* genParPt = data.GetPtrFloat("genParPt");
    Float_t* genParEta = data.GetPtrFloat("genParEta");
    Float_t* genParPhi = data.GetPtrFloat("genParPhi");
    Float_t* genParM = data.GetPtrFloat("genParM");


    // cos#theta_1 in the W rest frame
      
    Int_t chgLepID = -1;
    Int_t neuLepID = -1;

    TLorentzVector chgLep(0,0,0,0);
    TLorentzVector neuLep(0,0,0,0);

    for(Int_t i = 0; i < nGenPar; i++){

      if( genParSt[i] != 23 ) continue; 
      if( abs(genParId[i]) == 11 || abs(genParId[i]) == 13 || abs(genParId[i]) == 15 ) chgLepID = i;
      if( abs(genParId[i]) == 12 || abs(genParId[i]) == 14 || abs(genParId[i]) == 16 ) neuLepID = i;

    }

    chgLep.SetPtEtaPhiM(genParPt[chgLepID], 
			genParEta[chgLepID], 
			genParPhi[chgLepID], 
			genParM[chgLepID]);

    neuLep.SetPtEtaPhiM(genParPt[neuLepID], 
			genParEta[neuLepID], 
			genParPhi[neuLepID], 
			genParM[neuLepID]);

    TLorentzVector  Wb = chgLep + neuLep;

    TVector3 WbP = Wb.Vect();
    TVector3 bv = -Wb.BoostVector();

    chgLep.Boost(bv);
    
    TVector3 chgLepP = chgLep.Vect();
    
    Double_t cosTh = TMath::Cos(chgLepP.Angle(WbP));
   
    h_cosTh->Fill(cosTh);


    // cos#theta* in the RSG rest frame

    Int_t WplusID = -1;
    Int_t WminusID = -1;

    TLorentzVector Wplus(0,0,0,0);
    TLorentzVector Wminus(0,0,0,0);

    for(Int_t i = 0; i < nGenPar; i++){

      if( genParSt[i] !=  22 ) continue;
      if( genParId[i] == +24 ) WplusID = i;
      if( genParId[i] == -24 ) WminusID = i;

    }

    Wplus.SetPtEtaPhiM(genParPt[WplusID], 
		       genParEta[WplusID], 
		       genParPhi[WplusID], 
		       genParM[WplusID]);

    Wplus.SetPtEtaPhiM(genParPt[WminusID], 
		       genParEta[WminusID], 
		       genParPhi[WminusID], 
		       genParM[WminusID]);

    TLorentzVector RSG = Wplus + Wminus;

    TVector3 RSGP = RSG.Vect();
    TVector3 gv = -RSG.BoostVector();

    Wplus.Boost(gv);

    TVector3 WplusP = Wplus.Vect();

    Double_t cosThStar = TMath::Cos(WplusP.Angle(RSGP));

    h_cosThStar->Fill(cosThStar);

  }

  TCanvas* c[2];

  c[0] = new TCanvas("c0","",0,0,800,600);
  c[1] = new TCanvas("c1","",0,0,800,600);

  c[0]->cd(); 
  h_cosTh->SetXTitle("cos#theta_1 in the W rest frame");
  h_cosTh->Draw();

  c[1]->cd(); 
  h_cosThStar->SetXTitle("cos#theta* in the RSG rest frame");
  h_cosThStar->Draw();

  c[0]->Print("RSgravitonPythia.pdf(");
  c[1]->Print("RSgravitonPythia.pdf)");
    
}
Exemplo n.º 13
0
void acceptance(const char* file = "upsilonGun.root", const char* outputName = "acceptance.root") {
  Int_t genUpsSize;
  Float_t genUpsPt[NMAX];
  Float_t genUpsEta[NMAX];
  Float_t genUpsPhi[NMAX];
  Float_t genUpsRapidity[NMAX];
  Int_t genMuSize;
  Float_t genMuPt[NMAX];
  Float_t genMuEta[NMAX];
  Float_t genMuPhi[NMAX];
  Int_t genMuCharge[NMAX];
  Int_t recoMuSize;
  Float_t recoMuPt[NMAX];
  Float_t recoMuEta[NMAX];
  Float_t recoMuPhi[NMAX];
  Int_t recoMuCharge[NMAX];

  TFile* f1 = new TFile(file);
  TTree* t = (TTree*)f1->Get("UpsTree");
  t->SetBranchAddress("genUpsSize",&genUpsSize);
  t->SetBranchAddress("genUpsPt",genUpsPt);
  t->SetBranchAddress("genUpsEta",genUpsEta);
  t->SetBranchAddress("genUpsPhi",genUpsPhi);
  t->SetBranchAddress("genUpsRapidity",genUpsRapidity);
  t->SetBranchAddress("genMuSize",&genMuSize);
  t->SetBranchAddress("genMuPt",genMuPt);
  t->SetBranchAddress("genMuEta",genMuEta);
  t->SetBranchAddress("genMuPhi",genMuPhi);
  t->SetBranchAddress("genMuCharge",genMuCharge);
  t->SetBranchAddress("recoMuSize",&recoMuSize);
  t->SetBranchAddress("recoMuPt",recoMuPt);
  t->SetBranchAddress("recoMuEta",recoMuEta);
  t->SetBranchAddress("recoMuPhi",recoMuPhi);
  t->SetBranchAddress("recoMuCharge",recoMuCharge);

  TH2F* genPtRap = new TH2F("genUps","",4,0,20,4,-2,2);
  TH1F* genPt = new TH1F("genUps1D","",4,0,20);
  genPtRap->Sumw2();
  genPt->Sumw2();
  genPtRap->SetTitle(";Upsilon pT (GeV/c);Upsilon Rapidity;");
  genPt->SetTitle(";Upsilon pT (GeV/c);Acceptance;");
  TH2F* recoPtRap = (TH2F*)genPtRap->Clone("recoUps");
  TH1F* recoPt = (TH1F*)genPt->Clone("recoUps1D");
  recoPtRap->Sumw2();
  recoPt->Sumw2();

  for(int i=0; i<t->GetEntries(); i++){
    if(i%100000 == 0)
      std::cout<<i<<std::endl;
    t->GetEntry(i);

    // calculate cosTheta
    TLorentzVector genUps; genUps.SetPtEtaPhiM(genUpsPt[0], genUpsEta[0], genUpsPhi[0], 9.46);
    TLorentzRotation boost(-genUps.BoostVector());
    int mp = genMuCharge[0]>0 ? 0 : 1;
    TLorentzVector genMuPlus; genMuPlus.SetPtEtaPhiM(genMuPt[mp], genMuEta[mp], genMuPhi[mp], 0.106);
    genMuPlus *= boost;
    Float_t cosThetaStar = genMuPlus.Vect().Dot(genUps.Vect())/genMuPlus.Vect().Mag()/genUps.Vect().Mag();

    // set the weight
    Float_t weight = 1;

    genPtRap->Fill( genUpsPt[0], genUpsRapidity[0], weight );
    genPt->Fill( genUpsPt[0], weight );

    Float_t recoUpsPt = 0;
    Float_t recoUpsRapidity = 0;
    double minDeltaM = 1000;
    for(int tr1=0; tr1<recoMuSize; tr1++){
      for(int tr2=tr1+1; tr2<recoMuSize; tr2++){
        if ( recoMuCharge[tr1]*recoMuCharge[tr2] == -1 && recoMuPt[tr1] >= 3.5 && recoMuPt[tr2] >= 3.5 && fabs(recoMuEta[tr1]) < 2.1 && fabs(recoMuEta[tr2]) < 2.1 ){
          TLorentzVector mu1; mu1.SetPtEtaPhiM(recoMuPt[tr1], recoMuEta[tr1], recoMuPhi[tr1], 0.106);
          TLorentzVector mu2; mu2.SetPtEtaPhiM(recoMuPt[tr2], recoMuEta[tr2], recoMuPhi[tr2], 0.106);
          TLorentzVector recoUps(mu1 + mu2);
          double deltaM = fabs(recoUps.M()-9.46);
          if( deltaM < minDeltaM ){
            recoUpsPt = recoUps.Pt();
            recoUpsRapidity = recoUps.Rapidity();
            minDeltaM = deltaM;
          }
        }
      }
    }
    if( minDeltaM < 1.0 ){
      recoPtRap->Fill( recoUpsPt, recoUpsRapidity, weight );
      recoPt->Fill( recoUpsPt, weight );
    }
  }

  TFile out(outputName,"recreate");
  TH2F* acc = (TH2F*)genPtRap->Clone("acceptance");
  TH1F* acc1D = (TH1F*)genPt->Clone("acceptance1D");
  acc->Sumw2();
  acc1D->Sumw2();
  acc->Divide(recoPtRap,genPtRap,1,1,"B");
  acc1D->Divide(recoPt,genPt,1,1,"B");
  acc->Write();
  acc1D->Write();
  out.Close();
}
Exemplo n.º 14
0
int main (int argc, char ** argv) 
{
  if(argc < 3)
    {
      cout << "Usage:   " << argv[0] 
           << " input.lhe output.lhe" << endl ;
      return -1;
    }

  std::ifstream ifs (argv[1]) ;
  LHEF::Reader reader (ifs) ;

  ofstream outputStream (argv[2]) ;
  LHEF::Writer writer (outputStream) ;

  writer.headerBlock () << reader.headerBlock ;
  writer.initComments () << reader.initComments ;
  writer.heprup = reader.heprup ;
  writer.init () ;

//PG mu massless in phantom
//  float k2 = 0.1056583715 * 0.1056583715 - 1.77682 * 1.77682 ; // GeV -3.14592562093
  float k2 = 0. - 1.77682 * 1.77682 ; // GeV -3.14592562093

  int count = 0 ;
  //PG loop over input events
  while (reader.readEvent ()) 
    {
      ++count ;
      if ( reader.outsideBlock.length ()) std::cout << reader.outsideBlock;

      // loop over particles in the event
      for (int iPart = 0 ; iPart < reader.hepeup.IDUP.size (); ++iPart) 
        {
           // outgoing particles          
           if (reader.hepeup.ISTUP.at (iPart) == 1)
             {
               if (abs (reader.hepeup.IDUP.at (iPart)) == 13)
                 {
                   TLorentzVector dummy
                     (
                       reader.hepeup.PUP.at (iPart).at (0), // px
                       reader.hepeup.PUP.at (iPart).at (1), // py
                       reader.hepeup.PUP.at (iPart).at (2), // pz
                       reader.hepeup.PUP.at (iPart).at (3) // E
                     ) ;
                   float p2 = dummy.Vect ().Mag2 () ;

                   float scale = sqrt (1 + k2 / p2) ;
                   if (p2 < (-1 * k2))
                     {
                       cout << "warning: p2 is smaller than the mass difference " << p2 << endl ;
                       scale = 1 ;                     
                     }
                   reader.hepeup.PUP.at (iPart).at (0) *= scale ; // px
                   reader.hepeup.PUP.at (iPart).at (1) *= scale ; // px
                   reader.hepeup.PUP.at (iPart).at (2) *= scale ; // px
    
                   if (reader.hepeup.IDUP.at (iPart) == 13) reader.hepeup.IDUP.at (iPart) = 15 ;
                   if (reader.hepeup.IDUP.at (iPart) == -13) reader.hepeup.IDUP.at (iPart) = -15 ;
                 }
               if (reader.hepeup.IDUP.at (iPart) == 14) reader.hepeup.IDUP.at (iPart) = 16 ;
               if (reader.hepeup.IDUP.at (iPart) == -14) reader.hepeup.IDUP.at (iPart) = -16 ;
             } // outgoing particles
        } // loop over particles in the event
      writer.eventComments () << reader.eventComments ;
      writer.hepeup = reader.hepeup ;
      bool written = writer.writeEvent () ;
      if (!written)
        {
          cout << "warning: event " << count << " not written" << endl ;
        }

    } //PG loop over input events

  cout << "end loop over " << count << " events" << endl ;
  return 0 ;
}
void
fillUdstDataIntoMassBins_example(const string&      inFileNamePattern = "fillUdstDataIntoMassBins_example.root",
                                 const string&      dirName           = "./test",
                                 const long int     maxNmbEvents      = -1,
                                 const unsigned int nmbMassBins       = 50,
                                 const double       massBinWidth      = 40,   // [MeV/c^2]
                                 const double       massRangeMin      = 500,  // [MeV/c^2]
                                 const string&      uDstTreeName      = "pwaDataTree",
                                 const string&      pwaTreeName       = "rootPwaEvtTree",
                                 const long int     treeCacheSize     = 25000000,  // 25 MByte ROOT tree read cache
                                 const bool         debug             = false)
{
	const string prodKinPartNamesObjName  = "prodKinParticles";
	const string prodKinMomentaLeafName   = "prodKinMomenta";
	const string decayKinPartNamesObjName = "decayKinParticles";
	const string decayKinMomentaLeafName  = "decayKinMomenta";

	TStopwatch timer;
	timer.Start();

	printInfo << "reading uDST file(s) '" << inFileNamePattern << "'" << endl
	          << "    writing " << nmbMassBins << " mass bins in mass interval "
	          << "[" << massRangeMin << ", " << massRangeMin + nmbMassBins * massBinWidth << "] "
	          << "MeV/c^2 to '" << dirName << "'" << endl
	          << "    reading uDST data from tree '" << uDstTreeName << "'" << endl
	          << "    writing PWA data to tree '" << pwaTreeName << "'" << endl;

	// create chain and connect tree leaf variables to branches
	TChain uDstChain(uDstTreeName.c_str());
	if (uDstChain.Add(inFileNamePattern.c_str()) < 1)
		printWarn << "no events in uDST input file(s) '" << inFileNamePattern << "'" << endl;
	const long int nmbEventsUdstChain = uDstChain.GetEntries();
	uDstChain.GetListOfFiles()->ls();

	// !!! <channel-dependent part> !!!
	// connect tree leafs
	TLorentzVector* photons[4] = {0, 0, 0, 0};
	TLorentzVector* piMinus    = 0;
	TLorentzVector* beam       = 0;
	TLorentzVector* recoil     = 0;
	uDstChain.SetBranchAddress("gamma1", &(photons[0]));
	uDstChain.SetBranchAddress("gamma2", &(photons[1]));
	uDstChain.SetBranchAddress("gamma3", &(photons[2]));
	uDstChain.SetBranchAddress("gamma4", &(photons[3]));
	uDstChain.SetBranchAddress("pi_out", &piMinus);
	uDstChain.SetBranchAddress("pi_in",  &beam);
	uDstChain.SetBranchAddress("proton", &recoil);
	uDstChain.SetCacheSize(treeCacheSize);
	uDstChain.AddBranchToCache("gamma1", true);
	uDstChain.AddBranchToCache("gamma2", true);
	uDstChain.AddBranchToCache("gamma3", true);
	uDstChain.AddBranchToCache("gamma4", true);
	uDstChain.AddBranchToCache("pi_out", true);
	uDstChain.AddBranchToCache("pi_in",  true);
	uDstChain.AddBranchToCache("proton", true);
	uDstChain.StopCacheLearningPhase();
	// !!! </channel-dependent part> !!!

	// create directories and .root files
	vector<TFile*> pwaDataFiles;
	vector<TTree*> pwaDataTrees;
	if (not createMassBinFiles(pwaDataFiles, pwaDataTrees, dirName, nmbMassBins, massBinWidth,
	                           massRangeMin, pwaTreeName)) {
		printErr << "there were problems creating the mass bin directories/files. aborting." << endl;
		return;
	}
	printSucc << "created " << pwaDataFiles.size() << " directories/files" << endl;

	// write arrays with production and decay particle names to root files
	{
		TClonesArray prodKinPartNames ("TObjString", 1);
		TClonesArray decayKinPartNames("TObjString", 3);

		// !!! <channel-dependent part> !!!
		new (prodKinPartNames [0]) TObjString("pi-"); // beam particle
		new (decayKinPartNames[0]) TObjString("pi0");
		new (decayKinPartNames[1]) TObjString("pi0");
		new (decayKinPartNames[2]) TObjString("pi-");
		// !!! </channel-dependent part> !!!

		for (unsigned int i = 0; i < pwaDataFiles.size(); ++i) {
			pwaDataFiles[i]->cd();
			prodKinPartNames.Write (prodKinPartNamesObjName.c_str (), TObject::kSingleKey);
			decayKinPartNames.Write(decayKinPartNamesObjName.c_str(), TObject::kSingleKey);
		}
		printSucc << "wrote particle name arrays to all files. "
		          << "beam = 'pi-', decay = {'pi0', 'pi0', 'pi-'}." << endl;
	}

	// create tree leafs
	{
		TClonesArray* prodKinMomenta  = new TClonesArray("TVector3");
		TClonesArray* decayKinMomenta = new TClonesArray("TVector3");
		const int     splitLevel      = 99;
		const int     bufSize         = 256000;
		for (unsigned int i = 0; i < pwaDataTrees.size(); ++i) {
			pwaDataTrees[i]->Branch(prodKinMomentaLeafName.c_str(),  "TClonesArray", &prodKinMomenta,
			                        bufSize, splitLevel);
			pwaDataTrees[i]->Branch(decayKinMomentaLeafName.c_str(), "TClonesArray", &decayKinMomenta,
			                        bufSize, splitLevel);
		}
		printSucc << "created branches for all trees" << endl;
	}

	// loop over events
	const long int nmbEvents = ((maxNmbEvents > 0) ? maxNmbEvents : nmbEventsUdstChain);
	printInfo << "writing events into mass bin files" << endl
	          << "    looping over " << nmbEvents << " tree entries" << endl;
	unsigned long int countEvWritten = 0;
	progress_display  progressIndicator(nmbEvents, cout, "");
	for (long int eventIndex = 0; eventIndex < nmbEvents; ++eventIndex) {
		++progressIndicator;
		if ((uDstChain.LoadTree(eventIndex) < 0) or (uDstChain.GetEntry(eventIndex) == 0)) {
			printWarn << "error reading event " << eventIndex << " from tree. skipping." << endl;
			continue;
		}

		// !!! <channel-dependent part> !!!
		// now just make some minor calculations before
		// construct two pi0s
		const TLorentzVector piZeros[2] = {*(photons[0]) + *(photons[1]), *(photons[2]) + *(photons[3])};
		// construct intermediate state X
		const TLorentzVector X = piZeros[0] + piZeros[1] + *piMinus;
		// calculate t'
		const double t      = (*beam - X) * (*beam - X);
		const double tPrime = fabs(t) - fabs((X.M() * X.M() - beam->M() * beam->M())*(X.M() * X.M() - beam->M() * beam->M())
		                                     / (4 * (beam->Vect() * beam->Vect())));
		// cut on t'
		if ((tPrime < 0.1) or (tPrime > 1.0))
			continue;
		// write out PWA data
		const double         fsEnergy    = X.E() + recoil->E() - recoil->M();  // measured total energy of final state
		const double         scaleFactor = fsEnergy / beam->E();
		const TLorentzVector beamScaled(beam->Vect() * scaleFactor, fsEnergy);
		if (writeEvent(pwaDataTrees, beamScaled, piZeros[0], piZeros[1], *piMinus,
		               X.M(), nmbMassBins, massBinWidth, massRangeMin,
		               prodKinMomentaLeafName, decayKinMomentaLeafName, debug))
			++countEvWritten;
		// !!! </channel-dependent part> !!!
	}

	// write trees
	long unsigned int countTreeEvents = 0;
	for (unsigned int i = 0; i < nmbMassBins; ++i) {
		pwaDataTrees[i]->GetCurrentFile()->Write();
		long unsigned int nmbEvents = pwaDataTrees[i]->GetEntries();
		printSucc << "written " << setw(10) << nmbEvents << " events to file " << "'"
		          << pwaDataTrees[i]->GetCurrentFile()->GetName() << "'" << endl;
		countTreeEvents += nmbEvents;
		pwaDataTrees[i]->GetCurrentFile()->Close();
	}
	pwaDataFiles.clear();
	pwaDataTrees.clear();

	printInfo << "wrote " << min(countEvWritten, countTreeEvents)
	          << " out of " << nmbEvents << " events" <<endl;
	timer.Stop();
	printInfo << "this job consumed: ";
	timer.Print();
}
// fills event data into correct mass bin
bool
writeEvent(vector<TTree*>&       pwaTrees,
           const TLorentzVector& beamLv,
           // !!! <channel-dependent part> !!!
           const TLorentzVector& piZero0,
           const TLorentzVector& piZero1,
           const TLorentzVector& piMinus,
           // !!! </channel-dependent part> !!!
           const double          XMass,                          // [GeV/c^2]
           const unsigned int    nmbMassBins             = 50,
           const double          massBinWidth            = 50,   // [MeV/c^2]
           const double          massRangeMin            = 500,  // [MeV/c^2]
           const string&         prodKinMomentaLeafName  = "prodKinMomenta",
           const string&         decayKinMomentaLeafName = "decayKinMomenta",
           const bool            debug                   = false)
{

	const double mass = 1000 * XMass; // convert from GeV/c^2 to MeV/c^2
	// make sure that mass is in range
	if ((mass < massRangeMin) or (mass > (massRangeMin + nmbMassBins * massBinWidth)))
		return false;
	const unsigned int bin = (unsigned int) ((mass - massRangeMin) / massBinWidth);
	if (not pwaTrees[bin]) {
		printWarn << "null pointer for tree for mass bin [" << massRangeMin + bin * massBinWidth << ", "
		          << massRangeMin + (bin + 1) * massBinWidth << "]" << endl;
		return false;
	}
	// fill tree
	if (debug)
		printDebug << "filling tree for bin " << bin << " = ["
		           << massRangeMin + bin * massBinWidth << ", "
		           << massRangeMin + (bin + 1) * massBinWidth << "] MeV/c^2" << endl;

	// create tree leafs
	static TClonesArray* prodKinMomenta  = new TClonesArray("TVector3");
	static TClonesArray* decayKinMomenta = new TClonesArray("TVector3");

	// connect leaf variables to tree branches or create branches, if they don't exist yet
	TTree* outTree = pwaTrees[bin];
	if (outTree->SetBranchAddress(prodKinMomentaLeafName.c_str(), &prodKinMomenta) < 0) {
		printWarn << "could not connect variable to branch '" << prodKinMomentaLeafName << "'. "
		          << "skipping." << endl;
		return false;
	}
	if (outTree->SetBranchAddress(decayKinMomentaLeafName.c_str(), &decayKinMomenta) < 0) {
		printWarn << "could not connect variable to branch '" << prodKinMomentaLeafName << "'. "
		          << "skipping." << endl;
		return false;
	}

	// clear arrays
	prodKinMomenta->Clear ();
	decayKinMomenta->Clear();

	// set leaf variables
	// beam particle
	new ((*prodKinMomenta)[0]) TVector3(beamLv.Vect());

	// !!! <channel-dependent part> !!!
	// for target particle elastic scattering is assumed
	// outgoing hadrons
	new ((*decayKinMomenta)[0]) TVector3(piZero0.Vect());
	new ((*decayKinMomenta)[1]) TVector3(piZero1.Vect());
	new ((*decayKinMomenta)[2]) TVector3(piMinus.Vect());
	// !!! </channel-dependent part> !!!

	// fill tree
	outTree->Fill();
	return true;
}
Exemplo n.º 17
0
void UpsilonMassFit_PolWeights(int iSpec = 3, int PutWeight=1)
{

  double PtCut=4;

  //minbias integrated, |y|<1.2 and |y|\in[1.2,2.4], centrality [0,10][10,20][20,100]%,  pt [0,6.5], [6.5, 10] [10,20]

  gROOT->SetStyle("Plain");
  gStyle->SetPalette(1);
  gStyle->SetFrameBorderMode(0);
  gStyle->SetFrameFillColor(0);
  gStyle->SetCanvasColor(0);
  gStyle->SetTitleFillColor(0);
  gStyle->SetStatColor(0);
  gStyle->SetPadBorderSize(0);
  gStyle->SetCanvasBorderSize(0);
  gStyle->SetOptTitle(1); // at least most of the time
  gStyle->SetOptStat(1); // most of the time, sometimes "nemriou" might be useful to display name, 
  //number of entries, mean, rms, integral, overflow and underflow
  gStyle->SetOptFit(1); // set to 1 only if you want to display fit results

  //==================================== Define Histograms====================================================
  ofstream dataFile(Form("Eff_Upsilon.txt"));
  
  TH1D *diMuonsInvMass_Gen = new TH1D("diMuonsInvMass_Gen","diMuonsInvMass_Gen", 100,8.0,12.0);
  TH1D *diMuonsPt_Gen = new TH1D("diMuonsPt_Gen","diMuonsPt_Gen", 100,0,30);
  //Rapidity Gen
  TH1D *diMuonsRap_Gen0 = new TH1D("diMuonsRap_Gen0","diMuonsRap_Gen0", 100,-5,5);
  TH1D *diMuonsRap_Gen1 = new TH1D("diMuonsRap_Gen1","diMuonsRap_Gen1", 100,-5,5);
  TH1D *diMuonsRap_Gen2 = new TH1D("diMuonsRap_Gen2","diMuonsRap_Gen2", 100,-5,5);
  TH1D *diMuonsRap_Gen3 = new TH1D("diMuonsRap_Gen3","diMuonsRap_Gen3", 100,-5,5);
  TH1D *diMuonsRap_Gen4 = new TH1D("diMuonsRap_Gen4","diMuonsRap_Gen4", 100,-5,5);
  TH1D *diMuonsRap_Gen5 = new TH1D("diMuonsRap_Gen5","diMuonsRap_Gen5", 100,-5,5);
  ////Rapidity Reco
  TH1D *diMuonsRap_Rec0 = new TH1D("diMuonsRap_Rec0","diMuonsRap_Rec0", 100,-5,5);
  diMuonsRap_Rec0->SetLineColor(2);
  TH1D *diMuonsRap_Rec1 = new TH1D("diMuonsRap_Rec1","diMuonsRap_Rec1", 100,-5,5);
  diMuonsRap_Rec1->SetLineColor(2);
  TH1D *diMuonsRap_Rec2 = new TH1D("diMuonsRap_Rec2","diMuonsRap_Rec2", 100,-5,5);
  diMuonsRap_Rec2->SetLineColor(2);
  TH1D *diMuonsRap_Rec3 = new TH1D("diMuonsRap_Rec3","diMuonsRap_Rec3", 100,-5,5);
  diMuonsRap_Rec3->SetLineColor(2);
  TH1D *diMuonsRap_Rec4 = new TH1D("diMuonsRap_Rec4","diMuonsRap_Rec4", 100,-5,5);
  diMuonsRap_Rec4->SetLineColor(2);
  TH1D *diMuonsRap_Rec5 = new TH1D("diMuonsRap_Rec5","diMuonsRap_Rec5", 100,-5,5);
  diMuonsRap_Rec5->SetLineColor(2);
  TH1D *Bin_Gen = new TH1D("Bin_Gen","Bin_Gen", 40,0,40);

  //==============================================Define AccEff Stuff here===========================================
  // Pt bin sizes
  int Nptbin=1;
  double pt_bound[100] = {0};
  if(iSpec == 1) { 
    Nptbin = 5;
    pt_bound[0] = 0;
    pt_bound[1] = 20.0;
    pt_bound[2] = 0.0;
    pt_bound[3] = 6.5;
    pt_bound[4] = 10.0;
    pt_bound[5] = 20.0;
   

    pt_bound[6] = 30.0;
    pt_bound[7] = 35;
    pt_bound[8] = 40;
    pt_bound[9] = 45;
    pt_bound[10] = 50;
  }
  
  if(iSpec == 2) { 
    Nptbin = 2;
    pt_bound[0] = 0.0; 
    pt_bound[1] = 1.2; 
    pt_bound[2] = 2.4; 
    
    pt_bound[3] = 0.0; 
    pt_bound[4] = 0.8; 
    pt_bound[5] = 1.8; 
    //pt_bound[7] = 2.0; 
    pt_bound[6] = 2.4; 
  
  }
  
  
  if(iSpec == 3) {
    Nptbin = 3;
    //for plots
    pt_bound[0] = 0.0;//0
    pt_bound[1] = 4.0;//10
    pt_bound[2] = 8.0;//20
    pt_bound[3] = 40.0;//100
   

    //pt_bound[4] = 16.0;//50
    //pt_bound[5] = 20.0;//100
    //pt_bound[6] = 24.0;
    //pt_bound[7] = 32.0;
    //pt_bound[8] = 40.0;
    //pt_bound[9] = 40.0;
  }
  //X Axis error on Eff graph 
  double PT[100], DelPT[100], mom_err[100];
  for (Int_t ih = 0; ih < Nptbin; ih++) {
    PT[ih] = (pt_bound[ih] + pt_bound[ih+1])/2.0;
    DelPT[ih] = pt_bound[ih+1] - pt_bound[ih];
    mom_err[ih] = DelPT[ih]/2.0;
  }
  
  double genError, recError;
  double gen_pt[100]={0}, gen_ptError[100]={0}; 
  double rec_pt[100]={0}, rec_ptError[100]={0}; 
  double Eff_cat_1[100]={0},Err_Eff_cat_1[100]={0};  
  
  // Histogram arrays
  TH1D *diMuonsInvMass_GenA[10][1000];
  TH1D *diMuonsInvMass_RecA[10][1000];
  TH1D *diMuonsPt_GenA[10][1000];
  TH1D *diMuonsPt_RecA[10][1000];
  char nameGen[10][500], nameRec[10][500], nameGenPt[10][500], nameRecPt[10][500];
 
  
  for (int ifile = 0; ifile <= 5; ifile++) {
    for (Int_t ih = 0; ih < Nptbin; ih++) {
      sprintf(nameGen[ifile],"DiMuonMassGen_pt_%d_%d",ih,ifile);
      sprintf(nameRec[ifile],"DiMuonMassRec_pt_%d_%d",ih,ifile);

      sprintf(nameGenPt[ifile],"DiMuonPtGen_pt_%d_%d",ih,ifile);
      sprintf(nameRecPt[ifile],"DiMuonPtRec_pt_%d_%d",ih,ifile);
      
      diMuonsInvMass_GenA[ifile][ih]= new TH1D(nameGen[ifile],nameGen[ifile],  100,8.0,12.0); //for eff Gen;
      diMuonsInvMass_GenA[ifile][ih]->Sumw2();
      diMuonsInvMass_GenA[ifile][ih]->SetMarkerStyle(7);
      diMuonsInvMass_GenA[ifile][ih]->SetMarkerColor(4);
      diMuonsInvMass_GenA[ifile][ih]->SetLineColor(4);

      diMuonsInvMass_RecA[ifile][ih] = new TH1D(nameRec[ifile],nameRec[ifile], 100,8.0,12.0); //for eff Rec;
      diMuonsInvMass_RecA[ifile][ih]->Sumw2();
      diMuonsInvMass_RecA[ifile][ih]->SetMarkerStyle(8);
      diMuonsInvMass_RecA[ifile][ih]->SetMarkerColor(4);
      diMuonsInvMass_RecA[ifile][ih]->SetLineColor(4);


      diMuonsPt_GenA[ifile][ih]= new TH1D(nameGenPt[ifile],nameGenPt[ifile],  100,0,40); //for eff Gen;
      diMuonsPt_RecA[ifile][ih]= new TH1D(nameRecPt[ifile],nameRecPt[ifile],  100,0,40); //for eff Rec;
    }
  }
  
  //===========================================Input Root File============================================================
  char fileName[10][500];
  //0.0380228 	0.0480769 	0.0293255 	0.0125156 	0.00336587 	0.00276319*2/5 = 0.001105276
  //Scales
  double scale[10]={0};  
  scale[0]=(6.8802); // pT [0-3]
  scale[1]=(8.6995); // pT [3-6]
  scale[2]=(5.3065); // pT [6-9]
  scale[3]=(2.2647); // pT [9-12] 
  scale[4]=(3.0453); // pT [12-15] 
  scale[5]=(1.0000); // pT [15-30]
  
  sprintf(fileName[0],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt03_N.root");
  sprintf(fileName[1],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt36_N.root");
  sprintf(fileName[2],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt69_N.root");
  sprintf(fileName[3],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt912_N.root");
  sprintf(fileName[4],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt1215_N.root");
  sprintf(fileName[5],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt1530_N.root");



  //double scale[10]={0};  
  //scale[0]=(0.0380228/0.001105276);
  //scale[1]=(0.0480769/0.001105276);
  //scale[2]=(0.0293255/0.001105276);
  //scale[3]=(0.0125156/0.001105276);
  //scale[4]=(0.00336587/0.001105276);
  //scale[5]=(0.001105276/0.001105276);
   //34.55 , 43.70 , 26.65 , 11.37 , 3.05 , 1
  //sprintf(fileName[0],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt03.root");
  //sprintf(fileName[1],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt36.root");
  //sprintf(fileName[2],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt69.root");
  //sprintf(fileName[3],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt912.root");
  //sprintf(fileName[4],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt1215.root");
  //sprintf(fileName[5],"/home/vineet/HiData/UpsilonData/UpsilonEff/DimuonOnia2Dplots_UpsilonPt1530.root");
  
  TFile *infile;
  TTree *tree;
  TTree *gentree;
  
  //===========File loop ======================
  
  for(int ifile =0; ifile<=5; ifile++){
    
    infile=new TFile(fileName[ifile],"R");
    tree=(TTree*)infile->Get("SingleMuonTree");
    gentree=(TTree*)infile->Get("SingleGenMuonTree");
    
    //Event variables
    int eventNb,runNb,lumiBlock, gbin, rbin;
    //Jpsi Variables
    Double_t JpsiMass,JpsiPt,JpsiPx,JpsiPy,JpsiPz,JpsiRap, JpsiCharge,JpsiE;
    Double_t JpsiVprob;
    //2.) muon variables RECO                                                                       
    double muPosPx, muPosPy, muPosPz,  muPosEta, muPosPt,muPosP,muPosPhi;
    double muNegPx, muNegPy, muNegPz,  muNegEta, muNegPt,muNegP,muNegPhi;
    //(1).Positive Muon                                     
    double muPos_nchi2In, muPos_dxy, muPos_dz, muPos_nchi2Gl;
    int muPos_found, muPos_pixeLayers, muPos_nValidMuHits,muPos_arbitrated;
    bool muPos_matches,muPos_tracker;
    //(2).Negative Muon                                     
    double muNeg_nchi2In, muNeg_dxy, muNeg_dz, muNeg_nchi2Gl;
    int muNeg_found, muNeg_pixeLayers, muNeg_nValidMuHits,muNeg_arbitrated;
    bool muNeg_matches,muNeg_tracker;
    //Gen Level variables
    //Gen JPsi Variables
    double GenJpsiMass, GenJpsiPt, GenJpsiRap;
    double GenJpsiPx, GenJpsiPy, GenJpsiPz, GenJpsiE;
   
    //2.) Gen muon variables 
    double GenmuPosPx, GenmuPosPy, GenmuPosPz,  GenmuPosEta, GenmuPosPt, GenmuPosPhi;
    double GenmuNegPx, GenmuNegPy, GenmuNegPz,  GenmuNegEta, GenmuNegPt, GenmuNegPhi;

    //Event variables
    tree->SetBranchAddress("eventNb",&eventNb);
    tree->SetBranchAddress("runNb",&runNb);
    tree->SetBranchAddress("lumiBlock",&lumiBlock);
    
    //Jpsi Variables
    tree->SetBranchAddress("JpsiCharge",&JpsiCharge);
    tree->SetBranchAddress("JpsiMass",&JpsiMass);
    tree->SetBranchAddress("JpsiPt",&JpsiPt);
    tree->SetBranchAddress("JpsiPx",&JpsiPx);
    tree->SetBranchAddress("JpsiPy",&JpsiPy);
    tree->SetBranchAddress("JpsiPz",&JpsiPz);
    tree->SetBranchAddress("JpsiRap",&JpsiRap);
    tree->SetBranchAddress("JpsiVprob",&JpsiVprob);
    tree->SetBranchAddress("rbin",&rbin);
    
    //muon variable
    tree->SetBranchAddress("muPosPx",&muPosPx);
    tree->SetBranchAddress("muPosPy",&muPosPy);
    tree->SetBranchAddress("muPosPz",&muPosPz);
    tree->SetBranchAddress("muPosEta",&muPosEta);
    tree->SetBranchAddress("muPosPhi",&muPosPhi);
    tree->SetBranchAddress("muNegPx", &muNegPx);
    tree->SetBranchAddress("muNegPy",    &muNegPy);
    tree->SetBranchAddress("muNegPz",    &muNegPz);
    tree->SetBranchAddress("muNegEta",    &muNegEta);
     tree->SetBranchAddress("muNegPhi", &muNegPhi);

    //1). Positive Muon
    tree->SetBranchAddress("muPos_nchi2In", &muPos_nchi2In);
    tree->SetBranchAddress("muPos_dxy", &muPos_dxy);
    tree->SetBranchAddress("muPos_dz", &muPos_dz);
    tree->SetBranchAddress("muPos_nchi2Gl", &muPos_nchi2Gl);
    tree->SetBranchAddress("muPos_found", &muPos_found);
    tree->SetBranchAddress("muPos_pixeLayers", &muPos_pixeLayers);
    tree->SetBranchAddress("muPos_nValidMuHits", &muPos_nValidMuHits);
    tree->SetBranchAddress("muPos_matches", &muPos_matches);
    tree->SetBranchAddress("muPos_tracker", &muPos_tracker);
    tree->SetBranchAddress("muPos_arbitrated", &muPos_arbitrated);  
    
    //2). Negative Muon                                                                            
    tree->SetBranchAddress("muNeg_nchi2In", &muNeg_nchi2In);
    tree->SetBranchAddress("muNeg_dxy", &muNeg_dxy);
    tree->SetBranchAddress("muNeg_dz", &muNeg_dz);
    tree->SetBranchAddress("muNeg_nchi2Gl", &muNeg_nchi2Gl);
    tree->SetBranchAddress("muNeg_found", &muNeg_found);
    tree->SetBranchAddress("muNeg_pixeLayers", &muNeg_pixeLayers);
    tree->SetBranchAddress("muNeg_nValidMuHits", &muNeg_nValidMuHits);
    tree->SetBranchAddress("muNeg_matches", &muNeg_matches);
    tree->SetBranchAddress("muNeg_tracker", &muNeg_tracker);
    tree->SetBranchAddress("muNeg_arbitrated", &muNeg_arbitrated);
    



//====================================Gen Variables=========================================================
    //Gen Jpsi Variables
    gentree->SetBranchAddress("GenJpsiMass",   &GenJpsiMass);
    gentree->SetBranchAddress("GenJpsiPt",     &GenJpsiPt);
    gentree->SetBranchAddress("GenJpsiRap",    &GenJpsiRap);
    gentree->SetBranchAddress("GenJpsiPx",     &GenJpsiPx);
    gentree->SetBranchAddress("GenJpsiPy",     &GenJpsiPy);
    gentree->SetBranchAddress("GenJpsiPz",     &GenJpsiPz);
    gentree->SetBranchAddress("gbin",&gbin);
    //muon variable
    gentree->SetBranchAddress("GenmuPosPx",    &GenmuPosPx);
    gentree->SetBranchAddress("GenmuPosPy",    &GenmuPosPy);
    gentree->SetBranchAddress("GenmuPosPz",    &GenmuPosPz);
    gentree->SetBranchAddress("GenmuPosEta",    &GenmuPosEta);
     gentree->SetBranchAddress("GenmuPosPhi",    &GenmuPosPhi);
    gentree->SetBranchAddress("GenmuNegPx",    &GenmuNegPx);
    gentree->SetBranchAddress("GenmuNegPy",    &GenmuNegPy);
    gentree->SetBranchAddress("GenmuNegPz",    &GenmuNegPz);
    gentree->SetBranchAddress("GenmuNegEta",    &GenmuNegEta);
    gentree->SetBranchAddress("GenmuNegPhi",    &GenmuNegPhi);

    //====================================================== Gen tree loop ================================================
    int NAccep=0;
    int nGenEntries=gentree->GetEntries();
    cout<<" Total Entries in GenLevel Tree for pT range: "<<fileName[ifile]<<"  "<<   nGenEntries<< " ========="<<endl;
    //dataFile<<" Total Entries in GenLevel Tree for pT range: "<<fileName[ifile]<<"  "<<   nGenEntries<< " ====="<<endl;
    
    
    for(int i=0; i< nGenEntries; i++)  {	    
      gentree->GetEntry(i);
      
      if(i%1000==0){
	cout<<" processing record "<<i<<endl;
	cout<<" Mass "<< GenJpsiMass<< " pT "<< GenJpsiPt << " Y " <<GenJpsiRap<<endl; 
      }
      
      bool GenPosIn=0, GenNegIn=0,GenPosPass=0,GenNegPass=0;

      GenmuPosPt= TMath::Sqrt(GenmuPosPx*GenmuPosPx + GenmuPosPy*GenmuPosPy); 
      GenmuNegPt= TMath::Sqrt(GenmuNegPx*GenmuNegPx + GenmuNegPy*GenmuNegPy); 
      
      GenJpsiE= TMath::Sqrt( GenJpsiPx*GenJpsiPx+GenJpsiPy*GenJpsiPy+GenJpsiPz*GenJpsiPz + 9.46*9.46);


      
      //============================ calculate Pol weight ========================================================================================= //
      Float_t w1,w2,w3,w4,w5;
      // this is the beam energy: 2760GeV->/2->1380GeV each beam
      // the mp=0.938272 is the mass of the proton, as we are looking at p+p collisions
      double E=1380; double pz = sqrt(E*E - 0.938272*0.938272);
      TLorentzVector h1; // beam 1
      TLorentzVector h2; // beam 2
     
      TLorentzVector genJpsi;    // generated upsilon (mother of the single muons) --> if you look at jpsi-> genJpsi (prompt or non-prompt)
      TLorentzVector genMuPlus,genMuMinus; // generator positive muon (charge=+1)
      
      //int mp;
      Float_t cosThetaStarHel; // cosTheta in the Helicity frame
      Float_t cosThetaStarCS;  // cosTheta in the Collins-Soper frame
      TVector3 zCS;             // collins-soper variable

      // put the coordinates of the parent in a TLorentzVector
      // ATTENTION: the last coordinate is the MASS of the parent, which in this case, since it's about Upsilon, it's 9.46
      // when you'll do this for Jpsi, this value has to change to m_jpsi=3.097
      genJpsi.SetPxPyPzE(GenJpsiPx, GenJpsiPy, GenJpsiPz, GenJpsiE); 
      TLorentzRotation boost(-genJpsi.BoostVector()); // boost it
   
      // put the muon in a LorentzVector
      genMuPlus.SetPtEtaPhiM(GenmuPosPt, GenmuPosEta, GenmuPosPhi, 0.106);
      genMuPlus *= boost; // boost it
      
      //genMuMinus.SetPtEtaPhiM(GenmuNegPt, GenmuNegEta, GenmuNegPhi, 0.106);
      //genMuMinus *= boost; // boost it


      //and get the cosTheta in the helicity frame
      cosThetaStarHel = genMuPlus.Vect().Dot(genJpsi.Vect())/(genMuPlus.Vect().Mag()*genJpsi.Vect().Mag());
     
      //int genMuCharge = 1;
      //int mp = genMuCharge>0 ? 0 : 1;
      //cout << genMuCharge << "     " << mp << endl;


      h1.SetPxPyPzE(0,0,pz,E);  // TLorentzVector for beam 1
      h2.SetPxPyPzE(0,0,-pz,E); //  TLorentzVector for beam 2
      h1*=boost;
      h2*=boost;
      // calculate cosTheta CS

      zCS = ( h1.Vect().Unit() - h2.Vect().Unit() ).Unit();
      cosThetaStarCS = genMuPlus.Vect().Dot(zCS)/genMuPlus.Vect().Mag();

      // setup the weights
      w1 = 1;
      w2 = 1 + cosThetaStarHel*cosThetaStarHel;
      w3 = 1 - cosThetaStarHel*cosThetaStarHel;
      w4 = 1 + cosThetaStarCS*cosThetaStarCS;
      w5 = 1 - cosThetaStarCS*cosThetaStarCS;
      

      //w5=1; 

      // cout<<" gen "<<w2<<"   "<<w3<<"  "<<w4<<"  "<<w5<<endl;

      //==============================================================================================================================================//


    
      diMuonsInvMass_Gen->Fill(GenJpsiMass);
      diMuonsPt_Gen->Fill(GenJpsiPt);
 
      if(IsAccept(GenmuPosPt, GenmuPosEta)) {GenPosIn=1;}
      if(IsAccept(GenmuNegPt, GenmuNegEta)) {GenNegIn=1;}
  

    
      if(GenPosIn && GenNegIn ) NAccep++;
      
      if(GenPosIn==1 && GenmuPosPt>PtCut ) {GenPosPass=1;}
      if(GenNegIn==1 && GenmuNegPt>PtCut ) {GenNegPass=1;}

      double GenCenWeight=0,GenWeight=0;
      GenCenWeight=FindCenWeight(gbin);
      Bin_Gen->Fill(gbin);
      GenWeight=GenCenWeight*scale[ifile];
      if(PutWeight==0){GenWeight=1;}

      if(GenPosIn && GenNegIn){
	if(ifile==0){diMuonsRap_Gen0->Fill(GenJpsiRap);}
	if(ifile==1){diMuonsRap_Gen1->Fill(GenJpsiRap);}
	if(ifile==2){diMuonsRap_Gen2->Fill(GenJpsiRap);}
	if(ifile==3){diMuonsRap_Gen3->Fill(GenJpsiRap);}
	if(ifile==4){diMuonsRap_Gen4->Fill(GenJpsiRap);}
	if(ifile==5){diMuonsRap_Gen5->Fill(GenJpsiRap);}
      }
 

      for (Int_t ih = 0; ih < Nptbin; ih++) {
	//adding pT of all pt bins to see diss is cont
	if(iSpec == 1)  if( (GenPosPass==1 && GenNegPass==1) && (TMath::Abs(GenJpsiRap)<2.4 ) && (GenJpsiPt>pt_bound[ih] && GenJpsiPt<=pt_bound[ih+1])){diMuonsPt_GenA[ifile][ih]->Fill(GenJpsiPt,GenWeight*w5);}
	if(iSpec == 1)  if( (GenPosPass==1 && GenNegPass==1) && (TMath::Abs(GenJpsiRap)<2.4 )&&(GenJpsiPt>pt_bound[ih] && GenJpsiPt<=pt_bound[ih+1])){diMuonsInvMass_GenA[ifile][ih]->Fill(GenJpsiMass,GenWeight*w5);}
	if(iSpec == 2)  if((GenPosPass==1 && GenNegPass==1) &&  (GenJpsiPt<20.0) && (TMath::Abs(GenJpsiRap) > pt_bound[ih] && TMath::Abs(GenJpsiRap) <=pt_bound[ih+1] )){diMuonsInvMass_GenA[ifile][ih]->Fill(GenJpsiMass,GenWeight*w5);}
	if(iSpec == 3)  if( (GenPosPass==1 && GenNegPass==1) && (GenJpsiPt < 20.0) &&  (TMath::Abs(GenJpsiRap)<2.4 ) && (gbin>=pt_bound[ih] && gbin<pt_bound[ih+1])){diMuonsInvMass_GenA[ifile][ih]->Fill(GenJpsiMass,GenWeight*w5);}
      

      }

    }//gen loop end
    
    cout<<" accepted no "<< NAccep<<endl;
    //dataFile<<" accepted no "<< NAccep<<endl;
     
    //   new TCanvas;
    //diMuonsInvMass_Gen->Draw();
    //gPad->Print("plots/diMuonsInvMass_Gen.png");
    
    //new TCanvas;
    //diMuonsPt_Gen->Draw();
    //gPad->Print("plots/diMuonsPt_Gen.png");
  
    //new TCanvas;
    //diMuonsRap_Gen0->Draw();
    //sprintf(PlotName,"plots/diMuonsRap_Gen_%d.pdf",ifile);   
    //gPad->Print(PlotName);
    
    //new TCanvas;
    //Bin_Gen->Draw();
    //gPad->Print("plots/Bin_Gen.png");
    
  

    //=============== Rec Tree Loop ==============================================================================
    
    int nRecEntries=tree->GetEntries();
    cout<<"Total Entries in reconstructed Tree for pT range "<<fileName[ifile]<<"  "<<nRecEntries<< "====="<<endl;
    //dataFile<<"Total Entries in reconstructed Tree for pT range "<<fileName[ifile]<<"  "<<nRecEntries<<endl;
    
    for(int i=0; i<nRecEntries; i++)  {	    
      tree->GetEntry(i);
      if(i%100000==0){
	cout<<" processing record "<<i<<endl;
	cout<<" processing Run  " <<runNb <<" event "<<eventNb<<" lum block "<<lumiBlock<<endl;    
	cout<<" Mass "<< JpsiMass<< " pT "<< JpsiPt << " Y " <<JpsiRap<<"  "<<JpsiVprob<<" charge "<<JpsiCharge<<endl; 
      }
      
      bool PosPass=0, NegPass=0, AllCut=0 ,PosIn=0, NegIn=0;
      muPosPt= TMath::Sqrt(muPosPx*muPosPx + muPosPy*muPosPy); 
      muPosP = TMath::Sqrt(muPosPx*muPosPx + muPosPy*muPosPy+ muPosPz*muPosPz); 
      muNegPt= TMath::Sqrt(muNegPx*muNegPx + muNegPy*muNegPy); 
      muNegP = TMath::Sqrt(muNegPx*muNegPx + muNegPy*muNegPy +muNegPz*muNegPz); 
    
      
      JpsiE= TMath::Sqrt(JpsiPx*JpsiPx+JpsiPy*JpsiPy+JpsiPz*JpsiPz + JpsiMass*JpsiMass);
      //============================ calculate Pol weight rec ========================================================================================= //
      Float_t w1=0,w2=0,w3=0,w4=0,w5=0;
      double E=1380; double pz = sqrt(E*E - 0.938272*0.938272);
      TLorentzVector h1; // beam 1
      TLorentzVector h2; // beam 2
      
      TLorentzVector Jpsi;    
      TLorentzVector MuPlus;       
      Float_t cosThetaStarHel; // cosTheta in the Helicity frame
      Float_t cosThetaStarCS;  // cosTheta in the Collins-Soper frame
      TVector3 zCS;             // collins-soper variable
      
      Jpsi.SetPxPyPzE(JpsiPx, JpsiPy, JpsiPz, JpsiE); 
      TLorentzRotation boost(-Jpsi.BoostVector()); // boost it
      
      // put the muon in a LorentzVector
      MuPlus.SetPtEtaPhiM(muPosPt, muPosEta, muPosPhi, 0.106);
      MuPlus *= boost; // boost it
      //and get the cosTheta in the helicity frame
      cosThetaStarHel = MuPlus.Vect().Dot(Jpsi.Vect())/(MuPlus.Vect().Mag()*Jpsi.Vect().Mag());
      h1.SetPxPyPzE(0,0,pz,E);  // TLorentzVector for beam 1
      h2.SetPxPyPzE(0,0,-pz,E); //  TLorentzVector for beam 2
      h1*=boost;
      h2*=boost;
      zCS = ( h1.Vect().Unit() - h2.Vect().Unit() ).Unit();
      cosThetaStarCS = MuPlus.Vect().Dot(zCS)/MuPlus.Vect().Mag();
      // setup the weights
      w1 = 1;
      w2 = 1 + cosThetaStarHel*cosThetaStarHel;
      w3 = 1 - cosThetaStarHel*cosThetaStarHel;
      w4 = 1 + cosThetaStarCS*cosThetaStarCS;
      w5 = 1 - cosThetaStarCS*cosThetaStarCS;
      


      //w5=1;
      //cout<<" rec "<<w2<<"   "<<w3<<"  "<<w4<<"  "<<w5<<endl; 
      //================================================== Pol weights  ===============================================================================//
      
      if(IsAccept(muPosPt, muPosEta)){PosIn=1;}
      if(IsAccept(muNegPt, muNegEta)){NegIn=1;}



      if(muPos_found > 10 && muPos_pixeLayers > 0 && muPos_nchi2In < 4.0 && muPos_dxy < 3 && muPos_dz < 15 && muPos_nchi2Gl < 20 &&  muPos_arbitrated==1 && muPos_tracker==1){PosPass=1;}	  
      
      if(muNeg_found >10 && muNeg_pixeLayers >0 && muNeg_nchi2In <4.0 && muNeg_dxy < 3 && muNeg_dz < 15 && muNeg_nchi2Gl < 20 && muNeg_arbitrated==1 && muNeg_tracker==1){NegPass=1;}

      // cout<<muPos_matches<<"  "<<muNeg_matches<<endl;
      
      if((muPosPt > PtCut && muNegPt > PtCut) && (muPos_matches==1 && muNeg_matches==1) && (PosIn==1 && NegIn==1 )  &&   (PosPass==1 && NegPass==1)){AllCut=1;}
    
      double RecCenWeight=0,RecWeight=0;
      RecCenWeight=FindCenWeight(rbin);
      RecWeight=RecCenWeight*scale[ifile];
      if(PutWeight==0){RecWeight=1;}
     
      if(i%100000==0){
	cout<<" eff loop for reco "<<endl;
      }
      
      if(AllCut==1){
	if(ifile==0){diMuonsRap_Rec0->Fill(JpsiRap);}
	if(ifile==1){diMuonsRap_Rec1->Fill(JpsiRap);}
	if(ifile==2){diMuonsRap_Rec2->Fill(JpsiRap);}
	if(ifile==3){diMuonsRap_Rec3->Fill(JpsiRap);}
	if(ifile==4){diMuonsRap_Rec4->Fill(JpsiRap);}
	if(ifile==5){diMuonsRap_Rec5->Fill(JpsiRap);}
      }

      //Eff loop for reco
      if((JpsiCharge == 0) && (JpsiVprob > 0.01)) {
	for (Int_t ih = 0; ih < Nptbin; ih++) {
	  //to see cont reco pT
	  if(iSpec == 1)if((AllCut==1) && (TMath::Abs(JpsiRap) < 2.4) && (JpsiPt>pt_bound[ih] && JpsiPt<=pt_bound[ih+1])) {diMuonsPt_RecA[ifile][ih]->Fill(JpsiPt,RecWeight*w5);}
	  
	  if(iSpec == 1)if((AllCut==1) && (TMath::Abs(JpsiRap)<2.4 ) && (JpsiPt > pt_bound[ih] && JpsiPt <=pt_bound[ih+1])){diMuonsInvMass_RecA[ifile][ih]->Fill(JpsiMass, RecWeight*w5);}
	  if(iSpec == 2) if( (AllCut==1) &&  (JpsiPt<20.0) && (TMath::Abs(JpsiRap) > pt_bound[ih] && TMath::Abs(JpsiRap) <=pt_bound[ih+1])){diMuonsInvMass_RecA[ifile][ih]->Fill(JpsiMass,RecWeight*w5);}
	  if(iSpec == 3) if((AllCut==1) &&  (JpsiPt<20.0) && (TMath::Abs(JpsiRap) < 2.4) && (rbin>=pt_bound[ih] &&  rbin < pt_bound[ih+1])){diMuonsInvMass_RecA[ifile][ih]->Fill(JpsiMass,RecWeight*w5);}
	



	}
      }
    }
  
    /*
    new TCanvas;
    if(ifile==0){diMuonsRap_Gen0->Draw();new TCanvas; diMuonsRap_Rec0->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen0.png");}
    if(ifile==1){diMuonsRap_Gen1->Draw();new TCanvas; diMuonsRap_Rec1->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen1.png");}
    if(ifile==2){diMuonsRap_Gen2->Draw();new TCanvas; diMuonsRap_Rec2->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen2.png");}
    if(ifile==3){diMuonsRap_Gen3->Draw();new TCanvas; diMuonsRap_Rec3->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen3.png");}
    if(ifile==4){diMuonsRap_Gen4->Draw();new TCanvas; diMuonsRap_Rec4->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen4.png");}
    if(ifile==5){diMuonsRap_Gen5->Draw();new TCanvas; diMuonsRap_Rec5->Draw(); gPad->Print("plots/NPdiMuonsRap_Gen5.png");}
    */
  }  // file loop ends 

  ///////////////////////////////////////////////////////////////////

  cout<< " adding "<<endl;
  TH1D *diMuonsInvMass_RecA1[100];
  TH1D *diMuonsInvMass_GenA1[100];
  TH1D *diMuonsPt_GenA1[100];
  TH1D *diMuonsPt_RecA1[100];
  TF1 *backfun_1;
  char namePt_1B[500];//for bkg func
 
  for(Int_t ih = 0; ih < Nptbin; ih++){
    diMuonsInvMass_RecA1[ih] = diMuonsInvMass_RecA[0][ih];
    diMuonsInvMass_GenA1[ih] = diMuonsInvMass_GenA[0][ih];
    diMuonsPt_GenA1[ih] = diMuonsPt_GenA[0][ih];
    diMuonsPt_RecA1[ih] = diMuonsPt_RecA[0][ih];
    
    for (int ifile = 1; ifile <= 5; ifile++) {
      diMuonsInvMass_RecA1[ih]->Add(diMuonsInvMass_RecA[ifile][ih]);
      diMuonsInvMass_GenA1[ih]->Add(diMuonsInvMass_GenA[ifile][ih]);     
      
      diMuonsPt_GenA1[ih]->Add(diMuonsPt_GenA[ifile][ih]); 
      diMuonsPt_RecA1[ih]->Add(diMuonsPt_RecA[ifile][ih]); 
    }
  }
  
  //===========================Fitting===================================================================//
  // Fit ranges
  double mass_low, mass_high;
  double MassUpsilon, WeidthUpsilon;
  
  // Low mass range upsilon width 54 KeV
  MassUpsilon = 9.46; WeidthUpsilon = 0.055;
  //MassUpsilon = 9.46; WeidthUpsilon = 0.068;
  mass_low = 9.0; mass_high = 10.0;  // Fit ranges
  
  // Fit Function crystall ball
  TF1 *GAUSPOL = new TF1("GAUSPOL",CrystalBall,8.0,12.0,6);
  GAUSPOL->SetParNames("Yield (#Upsilon)","BinWidth","Mean","Sigma","#alpha","n");
  GAUSPOL->SetParameter(2, MassUpsilon);
  GAUSPOL->SetParameter(3, WeidthUpsilon);
  //GAUSPOL->SetParLimits(3, 0.1*WeidthUpsilon,2.0*WeidthUpsilon);
  GAUSPOL->SetParameter(4, 1.0);
  GAUSPOL->SetParameter(5, 20.0);
  GAUSPOL->SetLineWidth(2.0);
  GAUSPOL->SetLineColor(2);




  //=====================Loop for eff===========================================================
  double GenNo[100]={0};
  double Eff[100]={0};
  double GenError[100]={0};
  double RecError[100]={0};
  double errEff_cat_S1[100]={0};
  double errEff_cat_S2[100]={0};
  double errEff_cat_S1_1[100]={0},errEff_cat_S1_2[100]={0};
  double errEff_cat_S2_1[100]={0},errEff_cat_S2_2[100]={0};
  char PlotName[500],PlotName1[500], PlotName2[500]; 
  char GPlotName[500],GPlotName1[500], GPlotName2[500];

  for (Int_t ih = 0; ih < Nptbin; ih++) {
   
    cout<<" no of gen dimuons from diMuons Pt histo    "<<diMuonsPt_GenA1[ih]->Integral(1,100)<<endl;
    cout<<" no of gen dimuons from diMuons Mass histo  "<<diMuonsInvMass_GenA1[ih]->Integral(1,100)<<endl;
    

    //from pT histogram
    //gen_pt[ih] =diMuonsPt_GenA1[ih]->IntegralAndError(1,100,genError);
   
    gen_pt[ih] = diMuonsInvMass_GenA1[ih]->IntegralAndError(1,100,genError);
    gen_ptError[ih]= genError;
    
    if(iSpec==1) sprintf(PlotName,"plots/DiMuonMass_PtBin_%d.png",ih);
    if(iSpec==2) sprintf(PlotName,"plots/DiMuonMass_RapBin_%d.png",ih);
    if(iSpec==3) sprintf(PlotName,"plots/DiMuonMass_CentBin_%d.png",ih);
    
    if(iSpec==1) sprintf(PlotName1,"plots/DiMuonMass_PtBin_%d.pdf",ih);
    if(iSpec==2) sprintf(PlotName1,"plots/DiMuonMass_RapBin_%d.pdf",ih);
    if(iSpec==3) sprintf(PlotName1,"plots/DiMuonMass_CentBin_%d.pdf",ih);
    
    if(iSpec==1) sprintf(PlotName2,"plots/DiMuonMass_PtBin_%d.eps",ih);
    if(iSpec==2) sprintf(PlotName2,"plots/DiMuonMass_RapBin_%d.eps",ih);
    if(iSpec==3) sprintf(PlotName2,"plots/DiMuonMass_CentBin_%d.eps",ih);
 

    //giving inetial value for crystall ball fourth parameter 
    diMuonsInvMass_RecA1[ih]->Rebin(2);
    GAUSPOL->SetParameter(0, diMuonsInvMass_RecA1[ih]->Integral(0,50));
    GAUSPOL->FixParameter(1, diMuonsInvMass_RecA1[ih]->GetBinWidth(1));
    
    new TCanvas; 
    diMuonsInvMass_RecA1[ih]->Fit("GAUSPOL","LLMERQ", "", mass_low, mass_high);
   
    double UpsilonMass = GAUSPOL->GetParameter(2);
    double UpsilonWidth = GAUSPOL->GetParameter(3);
   
    double UpsilonYield = GAUSPOL->GetParameter(0);
    double UpsilonYieldError = GAUSPOL->GetParError(0);
 
    double par[20];
    GAUSPOL->GetParameters(par);
    sprintf(namePt_1B,"pt_1B_%d",ih);
    backfun_1 = new TF1(namePt_1B, Pol2, mass_low, mass_high, 3);
    backfun_1->SetParameters(&par[4]);
   

    double MassLow=(UpsilonMass-3*UpsilonWidth);
    double MassHigh=(UpsilonMass+3*UpsilonWidth);
    
    int binlow =diMuonsInvMass_RecA1[ih]->GetXaxis()->FindBin(MassLow);
    int binhi =diMuonsInvMass_RecA1[ih]->GetXaxis()->FindBin(MassHigh);
    double binwidth=diMuonsInvMass_RecA1[ih]->GetBinWidth(1);
        
    //yield by function 
    //rec_pt[ih] = UpsilonYield;
    //rec_ptError[ih]= UpsilonYieldError;

    cout<<"Rec diMuons from Pt histo "<<diMuonsPt_RecA1[ih]->Integral(1,100)<<endl;  
    cout<<"Rec dimuons from mass "<<diMuonsInvMass_RecA1[ih]->Integral(1,100)<<endl; 
    

      
    //from pT histo
    //rec_pt[ih]=diMuonsPt_RecA1[ih]->IntegralAndError(1, 100,recError);

    //yield by histogram integral
    rec_pt[ih] = diMuonsInvMass_RecA1[ih]->IntegralAndError(binlow, binhi,recError);
    rec_ptError[ih]= recError;
  
    //Cal eff 
    Eff_cat_1[ih] = rec_pt[ih]/gen_pt[ih]; 
  
    //calculate error on eff
    GenNo[ih]=gen_pt[ih];
    Eff[ih]= Eff_cat_1[ih];
    GenError[ih]=gen_ptError[ih];
    RecError[ih]=rec_ptError[ih];
    //error    
    errEff_cat_S1_1[ih]= ( (Eff[ih] * Eff[ih]) /(GenNo[ih] * GenNo[ih]) );
    errEff_cat_S1_2[ih]= (RecError[ih] * RecError[ih]);
    errEff_cat_S1[ih]= (errEff_cat_S1_1[ih] * errEff_cat_S1_2[ih]);
   

    errEff_cat_S2_1[ih]= ( (1 - Eff[ih])* (1 - Eff[ih]) ) / ( GenNo[ih] * GenNo[ih]);
    errEff_cat_S2_2[ih]= (GenError[ih] * GenError[ih] ) - ( RecError[ih] * RecError[ih] );


    errEff_cat_S2[ih]=errEff_cat_S2_1[ih]*errEff_cat_S2_2[ih];
   

    Err_Eff_cat_1[ih]=sqrt(errEff_cat_S1[ih] + errEff_cat_S2[ih]);
   
    //error for no weights
    //Err_Eff_cat_1[ih]= Eff_cat_1[ih]*TMath::Sqrt(gen_ptError[ih]*gen_ptError[ih]/(gen_pt[ih]*gen_pt[ih]) + rec_ptError[ih]*rec_ptError[ih]/(rec_pt[ih]* rec_pt[ih]));

    cout<<"Upsilon Yield by integral of histo:  "<< diMuonsInvMass_RecA1[ih]->IntegralAndError(binlow, binhi,recError) <<"  error "<< rec_ptError[ih]<<endl; 
    cout<<"UpsilonYield by Gauss yield det:     "<< UpsilonYield << " UpsilonWidth "<< UpsilonWidth<<" UpsilonMass "<<UpsilonMass <<endl;
    cout<<"Upsilon Yield by Function integral:  "<< GAUSPOL->Integral(MassLow,MassHigh)/binwidth <<endl;
    cout<<" rec_pt[ih]  "<<  rec_pt[ih] <<" gen_pt[ih] "<<gen_pt[ih]<<endl;
    //dataFile<<" rec_pt[ih]  "<<  rec_pt[ih] <<" gen_pt[ih] "<<gen_pt[ih]<<endl;
    cout<<" eff "<< Eff_cat_1[ih]<<" error "<<Err_Eff_cat_1[ih]<<endl;
    
    dataFile<<"ih " <<ih<<" eff "<< Eff_cat_1[ih]<<" error "<<Err_Eff_cat_1[ih]<<endl;
    
    if(iSpec==1) sprintf(GPlotName,"plots/GenDiMuonMass_PtBin_%d.png",ih);
    if(iSpec==2) sprintf(GPlotName,"plots/GenDiMuonMass_RapBin_%d.png",ih);
    if(iSpec==3) sprintf(GPlotName,"plots/GenDiMuonMass_CentBin_%d.png",ih);
    
    if(iSpec==1) sprintf(GPlotName1,"plots/GenDiMuonMass_PtBin_%d.pdf",ih);
    if(iSpec==2) sprintf(GPlotName1,"plots/GenDiMuonMass_RapBin_%d.pdf",ih);
    if(iSpec==3) sprintf(GPlotName1,"plots/GenDiMuonMass_CentBin_%d.pdf",ih);
    
    if(iSpec==1) sprintf(GPlotName2,"plots/GenDiMuonMass_PtBin_%d.eps",ih);
    if(iSpec==2) sprintf(GPlotName2,"plots/GenDiMuonMass_RapBin_%d.eps",ih);
    if(iSpec==3) sprintf(GPlotName2,"plots/GenDiMuonMass_CentBin_%d.eps",ih);
       
    backfun_1->SetLineColor(4);
    backfun_1->SetLineWidth(1);
    //backfun_1->Draw("same");
    gPad->Print(PlotName);
    gPad->Print(PlotName1);
    gPad->Print(PlotName2);

    new TCanvas;
    diMuonsInvMass_GenA1[ih]->Draw();
    gPad->Print(GPlotName);
    gPad->Print(GPlotName1);
    gPad->Print(GPlotName2);


    //new TCanvas;
    //diMuonsPt_GenA1[ih]->Draw();
    //new TCanvas;
    //diMuonsPt_RecA1[ih]->Draw();
 
}
  dataFile.close();

  TGraphErrors *Eff_Upsilon = new TGraphErrors(Nptbin, PT, Eff_cat_1, mom_err,Err_Eff_cat_1);
  Eff_Upsilon->SetMarkerStyle(21);
  Eff_Upsilon->SetMarkerColor(2);
  Eff_Upsilon->GetYaxis()->SetTitle("Reco Eff");
 
  if(iSpec==1) Eff_Upsilon->GetXaxis()->SetTitle("#Upsilon pT (GeV/c^{2})");
  if(iSpec==2) Eff_Upsilon->GetXaxis()->SetTitle("#Upsilon rapidity");
  if(iSpec==3) Eff_Upsilon->GetXaxis()->SetTitle("bin");
   Eff_Upsilon->GetYaxis()->SetRangeUser(0,1.0);

  TLegend *legend_GP = new TLegend( 0.50,0.79,0.80,0.89);
  legend_GP->SetBorderSize(0);
  legend_GP->SetFillStyle(0);
  legend_GP->SetFillColor(0);
  legend_GP->SetTextSize(0.032);
  legend_GP->AddEntry(Eff_Upsilon,"PythiaEvtGen + HydjetBass", "P");
  
  new TCanvas;
  Eff_Upsilon->Draw("AP");
  legend_GP->Draw("Same");
    
  if(iSpec==1){ gPad->Print("plots/Eff_Upsilon_Pt.pdf");gPad->Print("plots/Eff_Upsilon_Pt.png");gPad->Print("plots/Eff_Upsilon_Pt.eps");}
  if(iSpec==2){ gPad->Print("plots/Eff_Upsilon_Rap.pdf");gPad->Print("plots/Eff_Upsilon_Rap.png");  gPad->Print("plots/Eff_Upsilon_Rap.eps");}
  if(iSpec==3){ gPad->Print("plots/Eff_Upsilon_Cent.pdf");gPad->Print("plots/Eff_Upsilon_Cent.png"); gPad->Print("plots/Eff_Upsilon_Cent.eps"); }

}
Exemplo n.º 18
0
void ztree::ffgammajet(std::string outfname, int centmin, int centmax, float phoetmin, float phoetmax, std::string gen)
{
  string tag = outfname;
  string s_alpha = gen;
  if (fChain == 0) return;
  Long64_t nentries = fChain->GetEntriesFast();
  TFile * fout = new TFile(Form("%s_%s_%s_%d_%d.root",outfname.data(),tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),"recreate");

  TH2D * hsubept = new TH2D(Form("hsubept_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),100,-0.5,99.5,100,0,100);
  TH2D * hsubept_refcone = new TH2D(Form("hsubept_refcone_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),100,-0.5,99.5,100,0,100);

  TH1D * hjetpt = new TH1D(Form("hjetpt_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";jet p_{T};"),20,0,500);
  TH1D * hjetgendphi = new TH1D(Form("hjetgendphi_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#DeltaR_{gen,reco};"),20,0,0.1);
  TH1D * hgammaff = new TH1D(Form("hgammaff_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";z;"),20,0,1);
  TH1D * hgammaffxi = new TH1D(Form("hgammaffxi_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),10,0,5);
  TH1D * hgammaffxi_refcone = new TH1D(Form("hgammaffxi_refcone_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),10,0,5);
  TH1D * hgammaphoffxi = new TH1D(Form("hgammaphoffxi_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),10,0,5);
  TH1D * hgammaphoffxi_refcone = new TH1D(Form("hgammaphoffxi_refcone_%s_%s_%d_%d",tag.data(),s_alpha.data(),abs(centmin),abs(centmax)),Form(";#xi=ln(1/z);"),10,0,5);
  Long64_t nbytes = 0, nb = 0;
  cout<<phoetmin<<" "<<phoetmax<<endl;
  for (Long64_t jentry=0; jentry<nentries;jentry++) {
    if(jentry%10000==0) { cout<<jentry<<"/"<<nentries<<endl; }
    Long64_t ientry = LoadTree(jentry);
    if (ientry < 0) break;
    // cout<<njet<<endl;
    // if(jentry > 10000) break;
    nb = fChain->GetEntry(jentry);   nbytes += nb;
    if(hiBin < centmin || hiBin >= centmax) continue; //centrality cut
    if(nPho!=1) continue;
    // if(phoEt[0]<phoetmin || phoEt[0]>phoetmax) continue;
    if(weight==0)                   weight=1;
    // cout<<njet<<endl;

    if(gen.compare("gen")==0)
    {
      for (int ijet = 0; ijet < njet; ijet++) {
        if(mcEt[pho_genMatchedIndex[0]]<phoetmin || mcEt[pho_genMatchedIndex[0]]>phoetmax) continue;
        if( nPho==2 ) continue;
        if( jetpt[ijet]<40 ) continue; //jet pt Cut
        if( fabs(jeteta[ijet]) > 1.6) continue; //jeteta Cut
        if( fabs(jeteta[ijet]) < 0.3) continue; //jeteta Cut for reflected cone
        if( jetID[ijet]==0 ) continue; //redundant in this skim (all true)
        if( acos(cos(jetphi[ijet] - phoPhi[0])) < 7 * pi / 8 ) continue;
        hjetpt->Fill(jetpt[ijet]);
        float denrecodphi = acos(cos(jetphi[ijet] - gjetphi[ijet]));
        hjetgendphi->Fill(denrecodphi);
        TLorentzVector vjet;
        vjet.SetPtEtaPhiM(gjetpt[ijet],gjeteta[ijet],gjetphi[ijet],0);
        for(int igen = 0 ; igen < mult ; ++igen)
        {
          if(!(abs(pdg[igen])==11 || abs(pdg[igen])==13 || abs(pdg[igen])==211 || abs(pdg[igen])==2212 || abs(pdg[igen])==321)) continue;
          if(sube[igen] != 0) continue;
          float dr = genjettrk_dr(igen,ijet);
          float dr_refcone = genrefconetrk_dr(igen,ijet);
          if(dr<0.3)
          {
            TLorentzVector vtrack;
            vtrack.SetPtEtaPhiM(pt[igen],eta[igen],phi[igen],0);
            float angle = vjet.Angle(vtrack.Vect());
            float z = pt[igen]*cos(angle)/gjetpt[ijet];
            float zpho = pt[igen]/phoEt[0];
            float xi = log(1.0/z);
            float xipho = log(1.0/zpho);

            hgammaff->Fill(z);
            hgammaffxi->Fill(xi);
            hgammaphoffxi->Fill(xipho);
            hsubept->Fill(sube[igen],pt[igen]);
            // cout<<jetpt[ijet]<<endl;
          }
          if(dr_refcone<0.3)
          {
            float z = pt[igen]/gjetpt[ijet];
            float zpho = pt[igen]/phoEt[0];
            float xi = log(1.0/z);
            float xipho = log(1.0/zpho);

            hgammaffxi_refcone->Fill(xi);
            hgammaphoffxi_refcone->Fill(xipho);
            hsubept_refcone->Fill(sube[igen],pt[igen]);
          }
        }
      }
    }
    else
    {
      for (int ijet = 0; ijet < njet; ijet++) {
        if( nPho==2 ) continue;
        if( phoEt[0]*phoCorr[0]<phoetmin || phoEt[0]*phoCorr[0]>phoetmax) continue;
        if( jetpt[ijet]<40 ) continue; //jet pt Cut
        if( fabs(jeteta[ijet]) > 1.6) continue; //jeteta Cut
        if( fabs(jeteta[ijet]) < 0.3) continue; //jeteta Cut for reflected cone
        if( jetID[ijet]==0 ) continue; //redundant in this skim (all true)
        if( acos(cos(jetphi[ijet] - phoPhi[0])) < 7 * pi / 8 ) continue;
        hjetpt->Fill(jetpt[ijet]);
        TLorentzVector vjet;
        vjet.SetPtEtaPhiM(jetpt[ijet],jeteta[ijet],jetphi[ijet],0);
        for (int itrk = 0; itrk < nTrk; itrk++) {
          float dr = jettrk_dr(itrk,ijet);
          // float dr = genjetrecotrk_dr(itrk,ijet);
          float dr_refcone = refconetrk_dr(itrk,ijet);
          // float dr_refcone = genrefconerecotrk_dr(itrk,ijet);
          if(dr<0.3)
          {
            TLorentzVector vtrack;
            vtrack.SetPtEtaPhiM(trkPt[itrk],trkEta[itrk],trkPhi[itrk],0);
            float angle = vjet.Angle(vtrack.Vect());
            float z = trkPt[itrk]*cos(angle)/jetpt[ijet];
            float zpho = trkPt[itrk]/phoEt[0];
            float xi = log(1.0/z);
            float xipho = log(1.0/zpho);

            hgammaff->Fill(z,trkWeight[itrk]);
            hgammaffxi->Fill(xi,trkWeight[itrk]);
            hgammaphoffxi->Fill(xipho,trkWeight[itrk]);
            // hgammaff->Fill(z);
            // hgammaffxi->Fill(xi);
            // hgammaphoffxi->Fill(xipho);
            // cout<<jetpt[ijet]<<endl;
          }
          if(dr_refcone<0.3)
          {
            float z = trkPt[itrk]/jetpt[ijet];
            float zpho = trkPt[itrk]/phoEt[0];
            float xi = log(1.0/z);
            float xipho = log(1.0/zpho);

            hgammaffxi_refcone->Fill(xi,trkWeight[itrk]);
            hgammaphoffxi_refcone->Fill(xipho,trkWeight[itrk]);
            // hgammaffxi_refcone->Fill(xi);
            // hgammaphoffxi_refcone->Fill(xipho);
          }
        }
        // photons: normal mode power mode
        // pho 40 trigger
        // photon spike cuts etc
        // phoet > 35
        // phoet > 40 after correction // haven't made it yet
        // phoeta < 1.44
        // sumiso < 1 GeV
        // h/em < 0.1
        // sigmaetaeta < 0.01

        // jets:
        // some pt
        // jeteta < 1.6
        // some id cuts // none yet but we'll add some
        // ak3pupf jets

        // delphi > 7 pi / 8


      }
    }
    /*
    */


  }

  fout->Write();
  fout->Close();
}
Exemplo n.º 19
0
void pgsAnalysis::Loop()
{

double tHrec, tZ1m, tZ2m, tcosthetaStar, tPhi, tPhi1, tcostheta1, tcostheta2,tHrec_constr,tZ1m_constr, tZ2m_constr;
string ttype;
hists->Branch("Hrec", &tHrec);
hists->Branch("Z1m", &tZ1m);
hists->Branch("Z2m", &tZ2m);
hists->Branch("costhetaStar", &tcosthetaStar);
hists->Branch("Phi", &tPhi);
hists->Branch("Phi1", &tPhi1);
hists->Branch("costheta1", &tcostheta1);
hists->Branch("costheta2", &tcostheta2);
hists->Branch("type", &ttype);

//event type!!
int eeee, xxxx, eexx, xxee;

double Zmass = 91.19;
double vZmass;
if (pairing == 0){
	vZmass = 91.19;
}
else{
	vZmass = 45.;
}
		TVectorT<double> elSum(4);
		TVectorT<double> muSum(4);


	//electrons array
	vector<int> el; int elC = 0;
	//muons array
	vector<int> mu;	int muC = 0;
	//antielectrons array
	vector<int> antiel;	int antielC = 0;
	//antimuons array
	vector<int> antimu;	int antimuC = 0;

	vector<TVector3> leptons;

	TVector3 lep1,lep2,lep3,lep4;
	TVector3 Za, Zb, Zc, Zd, H;


	int lCounter = 0;
	int totaLlCounter = 0;
	int goodEventCounter = 0;
	int histCounter = 0;

	if (fChain == 0) return;
	

	int nentries = n;

// 	cout << " nentries are "<<nentries<<endl;


	Long64_t nbytes = 0, nb = 0;
	for (Long64_t jentry=0; jentry<nentries;jentry++) {
	Long64_t ientry = LoadTree(jentry);
	if (ientry < 0) break;
	nb = fChain->GetEntry(jentry);   nbytes += nb;
	// if (Cut(ientry) < 0) continue;

		el.clear();
		antiel.clear();
		mu.clear();
		antimu.clear();
		lCounter = 0;
		eeee = 0;
		xxxx = 0;
		eexx = 0;
		xxee = 0;

		//particles identified by type, ntrk
		for (int inst = 0; inst < npart; inst++){	// inst from "instance" on the scan tree
			
// 			cout<< " instance "<< inst <<endl;
// 			cout<< pT[inst]<< endl;
	
			//fill el mu vectors
			if ( typ[inst] == 1 && ntrk[inst] == -1){
				el.push_back(inst);
				elC++;
				lCounter++;
				totaLlCounter++;
			}
			if ( typ[inst] == 1 && ntrk[inst] == 1){
				antiel.push_back(inst);
				antielC++;
				lCounter++;
				totaLlCounter++;
			}
			if ( typ[inst] == 2 && ntrk[inst] == -1){
				mu.push_back(inst);
				muC++;
				lCounter++;
				totaLlCounter++;
			}
			if ( typ[inst] == 2 && ntrk[inst] == 1){
				antimu.push_back(inst);
				antimuC++;
				lCounter++;
				totaLlCounter++;
			}
			if ( (typ[inst] == 4 && jmas[inst] > 10. )|| (typ[inst] == 6 && pT[inst] > 10. )){
				lCounter = 0; //dont count the event
			}

		
		}//end instance loop (particles in an event

// 		cout<< "leptons in the event are "<< lCounter<<endl;
// 		if (lCounter == 4) { 

		fillFlag = false;

		// If else if loops reconstructing the particles according to the type 4e,4mu, 2e2mu
		
		if (el.size() == 1 && mu.size() == 1 && antiel.size() == 1 && antimu.size() == 1){ //2e2m
			goodEventCounter++;


			lep1.SetPtEtaPhi( pT[el[0]], eta[el[0]]	, phi[el[0]]);			//set up of lepton four-vectors
			lep2.SetPtEtaPhi( pT[antiel[0]], eta[antiel[0]]	, phi[antiel[0]]);
			lep3.SetPtEtaPhi( pT[mu[0]], eta[mu[0]]	, phi[mu[0]]);
			lep4.SetPtEtaPhi( pT[antimu[0]], eta[antimu[0]]	, phi[antimu[0]]);

			Za = lep1 + lep2;
			Zb = lep3 + lep4;

			mZ1 = sqrt(pow(lep1.Mag()+lep2.Mag(),2)-Za.Mag2());	// reconstruct z masses 
			mZ2 = sqrt(pow(lep3.Mag()+lep4.Mag(),2)-Zb.Mag2());


			//select leading Z
			if(mZ1 > mZ2) { Z1.SetVectM( Za, mZ1); Z2.SetVectM(Zb,mZ2); lep_min1.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus1.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min2.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus2.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());eexx++;}	//to set the highest mass the z
			else { Z2.SetVectM( Za, mZ1); Z1.SetVectM(Zb,mZ2); lep_min2.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus2.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min1.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus1.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());xxee++;}


			

		fillFlag = true;
		}



		else if (el.size() == 2 && mu.size() == 0  && antiel.size() == 2 && antimu.size() == 0){ //4e
			goodEventCounter++;

			lep1.SetPtEtaPhi( pT[el[0]], eta[el[0]]	, phi[el[0]]);	
			lep2.SetPtEtaPhi( pT[antiel[0]], eta[antiel[0]]	, phi[antiel[0]]);
			lep3.SetPtEtaPhi( pT[el[1]], eta[el[1]]	, phi[el[1]]);	
			lep4.SetPtEtaPhi( pT[antiel[1]], eta[antiel[1]]	, phi[antiel[1]]);

			Za = lep1 + lep2;
			Zb = lep3 + lep4;
			Zc = lep1 + lep4;
			Zd = lep3 + lep2;

			double mZa = sqrt(pow(lep1.Mag()+lep2.Mag(),2)-Za.Mag2());
			double mZb = sqrt(pow(lep3.Mag()+lep4.Mag(),2)-Zb.Mag2());
			double mZc = sqrt(pow(lep1.Mag()+lep4.Mag(),2)-Zc.Mag2());
			double mZd = sqrt(pow(lep2.Mag()+lep3.Mag(),2)-Zd.Mag2());

			double s1a;
			double s1b;
			double s2a;
			double s2b;
			if ( pairing == 0){
			s1a = pow(mZa-vZmass,2) + pow(mZb-Zmass,2);
			s1b = pow(mZa-Zmass,2) + pow(mZb-vZmass,2);
			s2a = pow(mZc-vZmass,2) + pow(mZd-Zmass,2);
			s2b = pow(mZc-Zmass,2) + pow(mZd-vZmass,2);
			}
			else{
			s1a = fabs(mZb-Zmass);
			s1b = fabs(mZa-Zmass);
			s2a = fabs(mZd-Zmass);
			s2b = fabs(mZc-Zmass);
			}

			elSum[0] = s1a;
			elSum[1] = s1b;
			elSum[2] = s2a;
			elSum[3] = s2b;

			int min = TMath::LocMin(4, &elSum[0]);

			if( (min == 0 || min == 1) ){
				if(mZa > mZb) { Z1.SetVectM( Za, mZa); Z2.SetVectM(Zb,mZb); lep_min1.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus1.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min2.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus2.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());}	//to set the highest mass the z
				else { Z2.SetVectM( Za, mZa); Z1.SetVectM(Zb,mZb); lep_min2.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus2.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min1.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus1.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());}
				
			}
			else if( (min == 2 || min == 3) ){
				if(mZc > mZd) { Z1.SetVectM( Zc, mZc); Z2.SetVectM(Zd,mZd); lep_min1.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus1.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag()); lep_min2.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus2.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag());}	//to set the highest mass the z
				else { Z2.SetVectM( Zc, mZc); Z1.SetVectM(Zd,mZd); lep_min2.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus2.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag()); lep_min1.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus1.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag());}


			}
			eeee++;
		fillFlag = true;
		} 


		else if(el.size() == 0 && mu.size() == 2  && antiel.size() == 0 && antimu.size() == 2 )  { //4m
			goodEventCounter++;

			lep1.SetPtEtaPhi( pT[mu[0]], eta[mu[0]]	, phi[mu[0]]);	
			lep2.SetPtEtaPhi( pT[antimu[0]], eta[antimu[0]]	, phi[antimu[0]]);
			lep3.SetPtEtaPhi( pT[mu[1]], eta[mu[1]]	, phi[mu[1]]);	
			lep4.SetPtEtaPhi( pT[antimu[1]], eta[antimu[1]]	, phi[antimu[1]]);

			Za = lep1 + lep2;
			Zb = lep3 + lep4;
			Zc = lep1 + lep4;
			Zd = lep3 + lep2;

			double mZa = sqrt(pow(lep1.Mag()+lep2.Mag(),2)-Za.Mag2());
			double mZb = sqrt(pow(lep3.Mag()+lep4.Mag(),2)-Zb.Mag2());
			double mZc = sqrt(pow(lep1.Mag()+lep4.Mag(),2)-Zc.Mag2());
			double mZd = sqrt(pow(lep2.Mag()+lep3.Mag(),2)-Zd.Mag2());

			double s1a;
			double s1b;
			double s2a;
			double s2b;
			if ( pairing == 0){
			s1a = pow(mZa-vZmass,2) + pow(mZb-Zmass,2);
			s1b = pow(mZa-Zmass,2) + pow(mZb-vZmass,2);
			s2a = pow(mZc-vZmass,2) + pow(mZd-Zmass,2);
			s2b = pow(mZc-Zmass,2) + pow(mZd-vZmass,2);
			}
			else{
			s1a = fabs(mZb-Zmass);
			s1b = fabs(mZa-Zmass);
			s2a = fabs(mZd-Zmass);
			s2b = fabs(mZc-Zmass);
			}


			muSum[0] = s1a;
			muSum[1] = s1b;
			muSum[2] = s2a;
			muSum[3] = s2b;

			int min = TMath::LocMin(4, &muSum[0]);

			if( (min == 0 || min == 1) ){
				if(mZa > mZb) { Z1.SetVectM( Za, mZa); Z2.SetVectM(Zb,mZb); lep_min1.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus1.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min2.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus2.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());}	//to set the highest mass the z
				else { Z2.SetVectM( Za, mZa); Z1.SetVectM(Zb,mZb); lep_min2.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus2.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag()); lep_min1.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus1.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag());}
				
			}
			else if( (min == 2 || min == 3) ){
				if(mZc > mZd) { Z1.SetVectM( Zc, mZc); Z2.SetVectM(Zd,mZd); lep_min1.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus1.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag()); lep_min2.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus2.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag());}	//to set the highest mass the z
				else { Z2.SetVectM( Zc, mZc); Z1.SetVectM(Zd,mZd); lep_min2.SetPtEtaPhiE(lep1.Pt(),lep1.Eta(), lep1.Phi(),lep1.Mag()); lep_plus2.SetPtEtaPhiE(lep4.Pt(),lep4.Eta(), lep4.Phi(),lep4.Mag()); lep_min1.SetPtEtaPhiE(lep3.Pt(),lep3.Eta(), lep3.Phi(),lep3.Mag()); lep_plus1.SetPtEtaPhiE(lep2.Pt(),lep2.Eta(), lep2.Phi(),lep2.Mag());}


			}
		xxxx++;
		fillFlag = true;
		}


		if ( fillFlag == true && goodEventCounter < 25001) {	//if it fullfills the specs then fill and find angles

			rec_H = Z1 + Z2;
			double Hmass = rec_H.M();
			tHrec = Hmass;
// 			cout<<tHrec<<endl;

			double Z1mass = Z1.M();
			tZ1m = Z1mass;
			double Z2mass = Z2.M();
			tZ2m = Z2mass;
			double ptlepp1 = lep_plus1.Pt();
			double ptlepm1 = lep_min1.Pt();
			double ptlepp2 = lep_plus2.Pt();
			double ptlepm2 = lep_min2.Pt();
			double dR1 = sqrt(pow(fabs(lep_min1.Eta() - lep_plus1.Eta()),2)+pow(fabs(lep_min1.DeltaPhi(lep_plus1)),2));
			double dR2 = sqrt(pow(fabs(lep_min2.Eta() - lep_plus2.Eta()),2)+pow(fabs(lep_min2.DeltaPhi(lep_plus2)),2));

// 			if ( /*Hmass<120 || Hmass>130 || */Z1mass < 49 || Z1mass>107 || Z2mass < 12 || Z2mass> 115 ){continue;}	//constrains		
	
			//filling the simple histogram values
			h_Z1_m -> Fill(Z1.M());
			h_Z1_E -> Fill(Z1.E());
			h_Z1_Pt -> Fill(Z1.Pt());
			h_Z1_eta -> Fill(Z1.Eta());
			h_Z1_phi -> Fill(Z1.Phi());
	
			h_Z2_m -> Fill(Z2.M());
			h_Z2_E -> Fill(Z2.E());
			h_Z2_Pt -> Fill(Z2.Pt());
			h_Z2_eta -> Fill(Z2.Eta());
			h_Z2_phi -> Fill(Z2.Phi());
	
	
			h_rec_H_m	-> Fill(Hmass);
			h_rec_H_E	-> Fill(rec_H.E());
			h_rec_H_Pt	-> Fill(rec_H.Pt());
			h_rec_H_eta	-> Fill(rec_H.Eta());
			h_rec_H_phi	-> Fill(rec_H.Phi());	

			h_lep_plus1_E	-> Fill(lep_plus1.E());
			h_lep_plus1_Pt	-> Fill(ptlepp1);
			h_lep_plus1_eta	-> Fill(lep_plus1.Eta());
			h_lep_plus1_phi	-> Fill(lep_plus1.Phi());

			h_lep_min1_E	-> Fill(lep_min1.E());
			h_lep_min1_Pt	-> Fill(ptlepm1);
			h_lep_min1_eta	-> Fill(lep_min1.Eta());
			h_lep_min1_phi	-> Fill(lep_min1.Phi());

			h_lep_plus2_E	-> Fill(lep_plus2.E());
			h_lep_plus2_Pt	-> Fill(ptlepp2);
			h_lep_plus2_eta	-> Fill(lep_plus2.Eta());
			h_lep_plus2_phi	-> Fill(lep_plus2.Phi());

			h_lep_min2_E	-> Fill(lep_min2.E());
			h_lep_min2_Pt	-> Fill(ptlepm2);
			h_lep_min2_eta	-> Fill(lep_min2.Eta());
			h_lep_min2_phi	-> Fill(lep_min2.Phi());	

		//reconstructing the two lepton pairs Lorentz vectors
		lpair1 = lep_plus1 + lep_min1;
		lpair2 = lep_plus2 + lep_min2;

		//constructing 3-vectors in the lab frame
		lep_plus1_lab 	= lep_plus1.Vect();
		lep_plus2_lab 	= lep_plus2.Vect();	//.Vect() gives 3 vector from 4vector
		lep_min1_lab 	= lep_min1.Vect();	
		lep_min2_lab 	= lep_min2.Vect();
		lpair1_lab 	= lep_plus1_lab.Cross(lep_min1_lab);	
		lpair2_lab 	= lep_plus2_lab.Cross(lep_min2_lab);

// 		cout << " pt of lepton pair1 on rest frame is: "<< lpair1.Perp()<<endl;


	   	//Filling up Histograms with angles defined in the lab frame
		h_angle_lab_pair1 -> Fill(lep_plus1_lab.Angle(lep_min1_lab));
		h_angle_lab_pair2 -> Fill(lep_plus2_lab.Angle(lep_min2_lab));


       		//Filling up histograms with variables from articles
       		h_angle_lab_deleta1	-> Fill(fabs(lep_min1.Eta() - lep_plus1.Eta()));
       		h_angle_lab_delphi1	-> Fill(fabs(lep_min1.DeltaPhi(lep_plus1)));
       		h_angle_lab_deleta2	-> Fill(fabs(lep_min2.Eta() - lep_plus2.Eta()));
       		h_angle_lab_delphi2	-> Fill(fabs(lep_min2.DeltaPhi(lep_plus2)));


	   	//Looking at the Higgs rest frame
	   	TVector3 boost_rH 	= -rec_H.BoostVector(); //NOTE the minus sign! WHY - sign???
	   	TVector3 boost_rZ1	= -Z1.BoostVector();
	   	TVector3 boost_rZ2	= -Z2.BoostVector();	
	   	Higgs_rest	= rec_H;
	   	Z1_rH		= Z1;
	   	Z2_rH		= Z2;
	   	lep_p1_rH	= lep_plus1;	//
	   	lep_m1_rH	= lep_min1;
	   	lep_p2_rH	= lep_plus2;
	   	lep_m2_rH	= lep_min2;
	   	lep_p1_rZ1	= lep_plus1;
	   	lep_m2_rZ2	= lep_min2;
	   	lep_p2_rZ2	= lep_plus2;
	   	lep_m1_rZ1	= lep_min1;

	   	//Boosting vectors to the Higgs rest frame
	   	Higgs_rest.Boost(boost_rH);
	   	Z1_rH.Boost(boost_rH);
	   	Z2_rH.Boost(boost_rH);
	   	lep_p1_rH.Boost(boost_rH);
	   	lep_m1_rH.Boost(boost_rH);
	   	lep_p2_rH.Boost(boost_rH);
	   	lep_m2_rH.Boost(boost_rH);

	   	//Boosting leptons to Z rest frames
	   	lep_p1_rZ1.Boost(boost_rZ1);
	   	lep_m1_rZ1.Boost(boost_rZ1);
	   	lep_p2_rZ2.Boost(boost_rZ2);
	   	lep_m2_rZ2.Boost(boost_rZ2);

	   	//Setting 3Vectors in Higgs rest frame
	   	Z3_1_rH		= Z1_rH.Vect();
	   	Z3_2_rH		= Z2_rH.Vect();
	   	lep3_plus1_rH 	= lep_p1_rH.Vect();
	   	lep3_min1_rH	= lep_m1_rH.Vect();
	   	lep3_plus2_rH 	= lep_p2_rH.Vect();
	   	lep3_min2_rH	= lep_m2_rH.Vect();
		TVector3 Z3_1plane_rH 	= lep3_plus1_rH.Cross(lep3_min1_rH);	//wrong?
	   	TVector3 Z3_2plane_rH 	= lep3_plus2_rH.Cross(lep3_min2_rH);

	   	//Setting 3Vectors in Z1/Z2 rest frame
	   	lep3_plus1_rZ1	= lep_p1_rZ1.Vect();
	   	lep3_plus2_rZ2	= lep_p2_rZ2.Vect();
	   	lep3_min1_rZ1	= lep_m1_rZ1.Vect();
	   	lep3_min2_rZ2	= lep_m2_rZ2.Vect();

	   	//Filling up histogram for the phi angle distribution

		//pairnoume ta monadiaia dianysmata twn kathetwn pediwn, prwta ypologizoume to metro tous, meta eswteriko ginomeno, meta tokso tou costheta tous
		double metro1 = sqrt((pow(Z3_1plane_rH.X(),2))+(pow(Z3_1plane_rH.Y(),2))+(pow(Z3_1plane_rH.Z(),2)));
		double metro2 = sqrt((pow(Z3_2plane_rH.X(),2))+(pow(Z3_2plane_rH.Y(),2))+(pow(Z3_2plane_rH.Z(),2)));
		TVector3 Z3_1plane_rH_un = Z3_1plane_rH.Unit();
		TVector3 Z3_2plane_rH_un = Z3_2plane_rH.Unit();

		TVector3 drtPlane = Z3_1plane_rH_un.Cross(Z3_2plane_rH_un);
		double phi = acos(-Z3_1plane_rH_un.Dot(Z3_2plane_rH_un))*(Z3_1_rH.Dot(skata))/fabs(Z3_1_rH.Dot(skata));

		h_angle_rH_phi	-> Fill( phi );
		tPhi = phi;		



		//****Phi one angle , same procedure as before. Now the plane is the first Z boson vector with beam axis, so they form a plane, phi1 is angle between this plane and the Z1 plane (apo to decay twn 2 leptoniwn)
		TVector3 niScatter_un = (beamAxis.Cross(Z3_1_rH)).Unit();
		TVector3 drtPlane2 = Z3_1plane_rH_un.Cross(niScatter_un);
		double phiOne = acos(Z3_1plane_rH_un.Dot(niScatter_un))*(Z3_1_rH.Dot(skata2))/fabs(Z3_1_rH.Dot(skata2));
		h_angle_rH_phiOne	-> Fill( phiOne );
		tPhi1 = phiOne;


	   	//Filling up histogram for theta* angle: Z1/Z2 with Higgs boost vector
	   	h_angle_rH_thetaZ2	-> Fill(Z3_2_rH.CosTheta());
		
		double cosThetaStar = Z3_1_rH.CosTheta();
		h_angle_rH_thetaZ1	-> Fill(cosThetaStar);
		tcosthetaStar = cosThetaStar;

		//  boosting the z to the other z frame
		TLorentzVector Z_1_rZ2 = Z1;
		Z_1_rZ2.Boost(boost_rZ2);
		TVector3 Z3_1_rZ2 = Z_1_rZ2.Vect();
		TLorentzVector Z_2_rZ1 = Z2;
		Z_2_rZ1.Boost(boost_rZ1);
		TVector3 Z3_2_rZ1 = Z_2_rZ1.Vect();
		double cosTheta1 = cos(lep3_min1_rZ1.Angle(-Z3_2_rZ1));
		double cosTheta2 = cos(lep3_min2_rZ2.Angle(-Z3_1_rZ2));
	   	h_angle_rZ1_lp1Z1	-> Fill(cos(lep3_plus1_rZ1.Angle(-Z3_2_rZ1)));	
	   	h_angle_rZ1_lm1Z1	-> Fill(cosTheta1);	// theta1
	   	h_angle_rZ2_lp2Z2	-> Fill(cos(lep3_plus2_rZ2.Angle(-Z3_1_rZ2)));	
	   	h_angle_rZ2_lm2Z2	-> Fill(cosTheta2);	// theta2
		tcostheta1 = cosTheta1;
		tcostheta2 = cosTheta2;	

       		h_angle_rH_delphi1	-> Fill(fabs(lep_p1_rH.DeltaPhi(lep_m1_rH)));
		h_angle_rH_delphi2	-> Fill(fabs(lep_p2_rH.DeltaPhi(lep_m2_rH)));

		h_mZ1mZ2		-> Fill(Z1.M(),Z2.M());
		h_mVsPtZ1		-> Fill(Z1.M(),Z1.Pt());

		h_delphi1VsPtZ1_lab	-> Fill(Z1.Pt(),fabs(lep_min1.DeltaPhi(lep_plus1)));
		h_delphi2VsPtZ2_lab	-> Fill(Z2.Pt(),fabs(lep_min2.DeltaPhi(lep_plus2)));

		if (eexx ==1){ttype = "eexx";}
		else if(xxee ==1){ttype = "xxee";}
		else if(eeee ==1){ttype = "eeee";}
		else if(xxxx ==1){ttype = "xxxx";}
		hists->Fill();
		histCounter++;
		
		hists->Close();
		}	//end if fill

		////////////// fill out the decay type

		
		
	// filling the TTree


	}//end entries loop (events)

	//some regular reports
	cout<<endl;
	cout<<" good events are "<<goodEventCounter<<endl;
	cout<<" we see % "<< (double) goodEventCounter/n <<endl;

	cout<<endl;
	cout<<" histogram fills are "<<histCounter<<endl;
// 	cout<<" we see % "<< (double) goodEventCounter/n <<endl;




}//end loop void
Exemplo n.º 20
0
void NewVariables(){

  const double protonmass = 938.272013; //MeV
  const double pionmass = 139.57018; //MeV
  const double kaonmass = 493.677; //MeV
  //const double muonmass = 105.6583715; //MeV

  TStopwatch *clock = new TStopwatch();
  clock->Start(1);

  double p_PT, p_ETA, p_PHI;
  double K_PT, K_ETA, K_PHI;
  double pi_PT, pi_ETA, pi_PHI;
  double Xb_OWNPV_X, Xb_OWNPV_Y, Xb_OWNPV_Z;
  double Xb_ENDVERTEX_X, Xb_ENDVERTEX_Y, Xb_ENDVERTEX_Z;
  double Xb_PT, Xb_ETA, Xb_PHI, Xb_M;
  double Xc_PT, Xc_ETA, Xc_PHI, Xc_M;
  float Added_H_PT[200], Added_H_ETA[200], Added_H_PHI[200];
  int Added_n_Particles;

  gErrorIgnoreLevel = kError;
  TFile *fSLBS = new TFile("/auto/data/mstahl/SLBaryonSpectroscopy/SLBaryonSpectroscopyStrp21.root","read");
  TTree *Xic_tree = (TTree*)gDirectory->Get("Xib02XicMuNu/Xic2pKpi/DecayTree");
  gErrorIgnoreLevel = kPrint;
  Xic_tree->SetBranchStatus("*",0); //disable all branches
  //now switch on the ones we need (saves a lot of time)  
  Xic_tree->SetBranchStatus("Xib_M",1);
  Xic_tree->SetBranchStatus("Xib_PT",1);
  Xic_tree->SetBranchStatus("Xib_ETA",1);
  Xic_tree->SetBranchStatus("Xib_PHI",1);
  Xic_tree->SetBranchStatus("Xib_OWNPV_X",1);
  Xic_tree->SetBranchStatus("Xib_OWNPV_Y",1);
  Xic_tree->SetBranchStatus("Xib_OWNPV_Z",1);
  Xic_tree->SetBranchStatus("Xib_ENDVERTEX_X",1);
  Xic_tree->SetBranchStatus("Xib_ENDVERTEX_Y",1);
  Xic_tree->SetBranchStatus("Xib_ENDVERTEX_Z",1);

  Xic_tree->SetBranchStatus("Xic_M",1);
  Xic_tree->SetBranchStatus("Xic_PT",1);
  Xic_tree->SetBranchStatus("Xic_ETA",1);
  Xic_tree->SetBranchStatus("Xic_PHI",1);

  Xic_tree->SetBranchStatus("Added_n_Particles",1);
  Xic_tree->SetBranchStatus("Added_H_PT",1);
  Xic_tree->SetBranchStatus("Added_H_ETA",1);
  Xic_tree->SetBranchStatus("Added_H_PHI",1);

  Xic_tree->SetBranchStatus("p_PT",1);
  Xic_tree->SetBranchStatus("p_ETA",1);
  Xic_tree->SetBranchStatus("p_PHI",1);
  Xic_tree->SetBranchStatus("K_PT",1);
  Xic_tree->SetBranchStatus("K_ETA",1);
  Xic_tree->SetBranchStatus("K_PHI",1);
  Xic_tree->SetBranchStatus("pi_PT",1);
  Xic_tree->SetBranchStatus("pi_ETA",1);
  Xic_tree->SetBranchStatus("pi_PHI",1);

  //set the branch addresses
  Xic_tree->SetBranchAddress("Xib_M",&Xb_M);
  Xic_tree->SetBranchAddress("Xib_PT",&Xb_PT);
  Xic_tree->SetBranchAddress("Xib_ETA",&Xb_ETA);
  Xic_tree->SetBranchAddress("Xib_PHI",&Xb_PHI);
  Xic_tree->SetBranchAddress("Xib_OWNPV_X",&Xb_OWNPV_X);
  Xic_tree->SetBranchAddress("Xib_OWNPV_Y",&Xb_OWNPV_Y);
  Xic_tree->SetBranchAddress("Xib_OWNPV_Z",&Xb_OWNPV_Z);
  Xic_tree->SetBranchAddress("Xib_ENDVERTEX_X",&Xb_ENDVERTEX_X);
  Xic_tree->SetBranchAddress("Xib_ENDVERTEX_Y",&Xb_ENDVERTEX_Y);
  Xic_tree->SetBranchAddress("Xib_ENDVERTEX_Z",&Xb_ENDVERTEX_Z);

  Xic_tree->SetBranchAddress("Xic_M",&Xc_M);
  Xic_tree->SetBranchAddress("Xic_PT",&Xc_PT);
  Xic_tree->SetBranchAddress("Xic_ETA",&Xc_ETA);
  Xic_tree->SetBranchAddress("Xic_PHI",&Xc_PHI);

  Xic_tree->SetBranchAddress("Added_n_Particles",&Added_n_Particles);
  Xic_tree->SetBranchAddress("Added_H_PT",&Added_H_PT);
  Xic_tree->SetBranchAddress("Added_H_ETA",&Added_H_ETA);
  Xic_tree->SetBranchAddress("Added_H_PHI",&Added_H_PHI);

  Xic_tree->SetBranchAddress("p_PT",&p_PT);
  Xic_tree->SetBranchAddress("p_ETA",&p_ETA);
  Xic_tree->SetBranchAddress("p_PHI",&p_PHI);
  Xic_tree->SetBranchAddress("K_PT",&K_PT);
  Xic_tree->SetBranchAddress("K_ETA",&K_ETA);
  Xic_tree->SetBranchAddress("K_PHI",&K_PHI);
  Xic_tree->SetBranchAddress("pi_PT",&pi_PT);
  Xic_tree->SetBranchAddress("pi_ETA",&pi_ETA);
  Xic_tree->SetBranchAddress("pi_PHI",&pi_PHI);
  //SLBS_tree->AddBranchToCache("*");
  //SLBS_tree->LoadBaskets(1000000000);//Load baskets up to 1 GB to memory

  double Xb_CorrM, p_beta, K_beta, pi_beta;
  float Xcpi_CosTheta[200],XcK_CosTheta[200],Xcp_CosTheta[200];
  double p_as_piKpi_M, p_as_KKpi_M, pK_as_pipi_M, pK_as_ppi_M, pKpi_as_K_M, pKpi_as_p_M;

  TFile *f1 = new TFile("/auto/data/mstahl/SLBaryonSpectroscopy/SLBaryonSpectroscopyStrp21_friend.root","RECREATE");
  //f1->mkdir("Xib02XicMuNu/Xic2pKpi");
  //f1->cd("Xib02XicMuNu/Xic2pKpi");
  TTree added_Xic_tree("Xic2pKpi","Xic2pKpi");

  added_Xic_tree.Branch("Xib_CorrM", &Xb_CorrM, "Xib_CorrM/D");
  added_Xic_tree.Branch("p_beta", &p_beta, "p_beta/D");
  added_Xic_tree.Branch("K_beta", &K_beta, "K_beta/D");
  added_Xic_tree.Branch("pi_beta", &pi_beta, "pi_beta/D");
  added_Xic_tree.Branch("Added_n_Particles", &Added_n_Particles, "Added_n_Particles/I");
  added_Xic_tree.Branch("Xcpi_CosTheta", &Xcpi_CosTheta, "Xcpi_CosTheta[Added_n_Particles]/F");
  added_Xic_tree.Branch("XcK_CosTheta", &XcK_CosTheta, "XcK_CosTheta[Added_n_Particles]/F");
  added_Xic_tree.Branch("Xcp_CosTheta", &Xcp_CosTheta, "Xcp_CosTheta[Added_n_Particles]/F");
  added_Xic_tree.Branch("p_as_piKpi_M", &p_as_piKpi_M, "p_as_piKpi_M/D");
  added_Xic_tree.Branch("p_as_KKpi_M", &p_as_KKpi_M, "p_as_KKpi_M/D");
  added_Xic_tree.Branch("pK_as_pipi_M", &pK_as_pipi_M, "pK_as_pipi_M/D");
  added_Xic_tree.Branch("pK_as_ppi_M", &pK_as_ppi_M, "pK_as_ppi_M/D");
  added_Xic_tree.Branch("pKpi_as_K_M", &pKpi_as_K_M, "pKpi_as_K_M/D");
  added_Xic_tree.Branch("pKpi_as_p_M", &pKpi_as_p_M, "pKpi_as_p_M/D");

  UInt_t Xic_nevents = Xic_tree->GetEntries();
  cout << "Entries in Xic tree: " << Xic_nevents << endl;

  for (UInt_t evt = 0; evt < Xic_nevents;evt++) {
    Xic_tree->GetEntry(evt);

    TVector3 dir(Xb_ENDVERTEX_X-Xb_OWNPV_X,Xb_ENDVERTEX_Y-Xb_OWNPV_Y,Xb_ENDVERTEX_Z-Xb_OWNPV_Z);
    TVector3 mom;
    mom.SetPtEtaPhi(Xb_PT,Xb_ETA,Xb_PHI);
    double dmag2 = dir.Mag2();
    double ptprime = 0;
    if ( 0 == dmag2 ) ptprime = mom.Mag();
    else ptprime = (mom - dir * ( mom.Dot( dir ) / dmag2 )).Mag() ;
    Xb_CorrM = sqrt(Xb_M*Xb_M + ptprime*ptprime) + ptprime;

    TLorentzVector Xb;
    Xb.SetPtEtaPhiM(Xb_PT,Xb_ETA,Xb_PHI,Xb_CorrM);
    TLorentzVector Xc;
    Xc.SetPtEtaPhiM(Xc_PT,Xc_ETA,Xc_PHI,Xc_M);
    for(int i = 0; i < Added_n_Particles; i++){
      TLorentzVector Hpi;
      Hpi.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],pionmass);
      TLorentzVector HK;
      HK.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],kaonmass);
      TLorentzVector Hp;
      Hp.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],protonmass);
      TLorentzVector Xcpi = Hpi + Xc;
      TLorentzVector XcK = HK + Xc;
      TLorentzVector Xcp = Hp + Xc;
      Xcpi.Boost(-Xb.BoostVector());
      Xcpi_CosTheta[i] = cos(Xcpi.Angle(Xb.Vect()));
      XcK.Boost(-Xb.BoostVector());
      XcK_CosTheta[i] = cos(XcK.Angle(Xb.Vect()));
      Xcp.Boost(-Xb.BoostVector());
      Xcp_CosTheta[i] = cos(Xcp.Angle(Xb.Vect()));
    }

    TLorentzVector proton;
    proton.SetPtEtaPhiM(p_PT,p_ETA,p_PHI,protonmass);
    TLorentzVector kaon;
    kaon.SetPtEtaPhiM(K_PT,K_ETA,K_PHI,kaonmass);
    TLorentzVector pion;
    pion.SetPtEtaPhiM(pi_PT,pi_ETA,pi_PHI,pionmass);

    p_beta  = (-proton.P()+kaon.P()+pion.P())/(proton.P()+kaon.P()+pion.P());
    K_beta  = ( proton.P()-kaon.P()+pion.P())/(proton.P()+kaon.P()+pion.P());
    pi_beta = ( proton.P()+kaon.P()-pion.P())/(proton.P()+kaon.P()+pion.P());

    TLorentzVector p_as_pi;
    p_as_pi.SetVectM(proton.Vect(),pionmass);
    TLorentzVector p_as_K;
    p_as_K.SetVectM(proton.Vect(),kaonmass);

    TLorentzVector K_as_pi;
    K_as_pi.SetVectM(kaon.Vect(),pionmass);
    TLorentzVector K_as_p;
    K_as_p.SetVectM(kaon.Vect(),protonmass);

    TLorentzVector pi_as_K;
    pi_as_K.SetVectM(pion.Vect(),kaonmass);
    TLorentzVector pi_as_p;
    pi_as_p.SetVectM(pion.Vect(),protonmass);

    p_as_piKpi_M = (p_as_pi + kaon + pion).M();
    p_as_KKpi_M = (p_as_K + kaon + pion).M();

    pK_as_pipi_M = (proton + K_as_pi + pion).M();
    pK_as_ppi_M = (proton + K_as_p + pion).M();

    pKpi_as_K_M = (proton + kaon + pi_as_K).M();
    pKpi_as_p_M = (proton + kaon + pi_as_p).M();

    added_Xic_tree.Fill();

  }

  Xic_tree->SetDirectory(0);
  added_Xic_tree.Write();

  fSLBS->cd();
  TTree *Xic0_tree = (TTree*)gDirectory->Get("Xib2Xic0MuNu/Xic02pKKpi/DecayTree");

  double p_P, SSK1_P, SSK2_P, pi_P;
  double SSK1_PT, SSK2_PT, SSK1_ETA, SSK2_ETA, SSK1_PHI, SSK2_PHI;

  Xic0_tree->SetBranchStatus("*",0); //disable all branches
  //now switch on the ones we need (saves a lot of time)
  Xic0_tree->SetBranchStatus("Xib_M",1);
  Xic0_tree->SetBranchStatus("Xib_PT",1);
  Xic0_tree->SetBranchStatus("Xib_ETA",1);
  Xic0_tree->SetBranchStatus("Xib_PHI",1);
  Xic0_tree->SetBranchStatus("Xib_OWNPV_X",1);
  Xic0_tree->SetBranchStatus("Xib_OWNPV_Y",1);
  Xic0_tree->SetBranchStatus("Xib_OWNPV_Z",1);
  Xic0_tree->SetBranchStatus("Xib_ENDVERTEX_X",1);
  Xic0_tree->SetBranchStatus("Xib_ENDVERTEX_Y",1);
  Xic0_tree->SetBranchStatus("Xib_ENDVERTEX_Z",1);

  Xic0_tree->SetBranchStatus("Xic_M",1);
  Xic0_tree->SetBranchStatus("Xic_PT",1);
  Xic0_tree->SetBranchStatus("Xic_ETA",1);
  Xic0_tree->SetBranchStatus("Xic_PHI",1);

  Xic0_tree->SetBranchStatus("Added_n_Particles",1);
  Xic0_tree->SetBranchStatus("Added_H_PT",1);
  Xic0_tree->SetBranchStatus("Added_H_ETA",1);
  Xic0_tree->SetBranchStatus("Added_H_PHI",1);

  Xic0_tree->SetBranchStatus("p_P",1);
  Xic0_tree->SetBranchStatus("SSK1_P",1);
  Xic0_tree->SetBranchStatus("SSK2_P",1);
  Xic0_tree->SetBranchStatus("pi_P",1);

  Xic0_tree->SetBranchStatus("p_PT",1);
  Xic0_tree->SetBranchStatus("p_ETA",1);
  Xic0_tree->SetBranchStatus("p_PHI",1);
  Xic0_tree->SetBranchStatus("SSK1_PT",1);
  Xic0_tree->SetBranchStatus("SSK1_ETA",1);
  Xic0_tree->SetBranchStatus("SSK1_PHI",1);
  Xic0_tree->SetBranchStatus("SSK2_PT",1);
  Xic0_tree->SetBranchStatus("SSK2_ETA",1);
  Xic0_tree->SetBranchStatus("SSK2_PHI",1);
  Xic0_tree->SetBranchStatus("pi_PT",1);
  Xic0_tree->SetBranchStatus("pi_ETA",1);
  Xic0_tree->SetBranchStatus("pi_PHI",1);

  //set the branch addresses
  Xic0_tree->SetBranchAddress("Xib_M",&Xb_M);
  Xic0_tree->SetBranchAddress("Xib_PT",&Xb_PT);
  Xic0_tree->SetBranchAddress("Xib_ETA",&Xb_ETA);
  Xic0_tree->SetBranchAddress("Xib_PHI",&Xb_PHI);
  Xic0_tree->SetBranchAddress("Xib_OWNPV_X",&Xb_OWNPV_X);
  Xic0_tree->SetBranchAddress("Xib_OWNPV_Y",&Xb_OWNPV_Y);
  Xic0_tree->SetBranchAddress("Xib_OWNPV_Z",&Xb_OWNPV_Z);
  Xic0_tree->SetBranchAddress("Xib_ENDVERTEX_X",&Xb_ENDVERTEX_X);
  Xic0_tree->SetBranchAddress("Xib_ENDVERTEX_Y",&Xb_ENDVERTEX_Y);
  Xic0_tree->SetBranchAddress("Xib_ENDVERTEX_Z",&Xb_ENDVERTEX_Z);

  Xic0_tree->SetBranchAddress("Xic_M",&Xc_M);
  Xic0_tree->SetBranchAddress("Xic_PT",&Xc_PT);
  Xic0_tree->SetBranchAddress("Xic_ETA",&Xc_ETA);
  Xic0_tree->SetBranchAddress("Xic_PHI",&Xc_PHI);

  Xic0_tree->SetBranchAddress("Added_n_Particles",&Added_n_Particles);
  Xic0_tree->SetBranchAddress("Added_H_PT",&Added_H_PT);
  Xic0_tree->SetBranchAddress("Added_H_ETA",&Added_H_ETA);
  Xic0_tree->SetBranchAddress("Added_H_PHI",&Added_H_PHI);

  Xic0_tree->SetBranchAddress("p_P",&p_P);
  Xic0_tree->SetBranchAddress("SSK1_P",&SSK1_P);
  Xic0_tree->SetBranchAddress("SSK2_P",&SSK2_P);
  Xic0_tree->SetBranchAddress("pi_P",&pi_P);

  Xic0_tree->SetBranchAddress("p_PT",&p_PT);
  Xic0_tree->SetBranchAddress("SSK1_PT",&SSK1_PT);
  Xic0_tree->SetBranchAddress("SSK2_PT",&SSK2_PT);
  Xic0_tree->SetBranchAddress("pi_PT",&pi_PT);
  Xic0_tree->SetBranchAddress("p_ETA",&p_ETA);
  Xic0_tree->SetBranchAddress("SSK1_ETA",&SSK1_ETA);
  Xic0_tree->SetBranchAddress("SSK2_ETA",&SSK2_ETA);
  Xic0_tree->SetBranchAddress("pi_ETA",&pi_ETA);
  Xic0_tree->SetBranchAddress("p_PHI",&p_PHI);
  Xic0_tree->SetBranchAddress("SSK1_PHI",&SSK1_PHI);
  Xic0_tree->SetBranchAddress("SSK2_PHI",&SSK2_PHI);
  Xic0_tree->SetBranchAddress("pi_PHI",&pi_PHI);


  double SSK1_beta, SSK2_beta;

  f1->cd();
  //f1->mkdir("Xib2Xic0MuNu/Xic02pKKpi");
  //f1->cd("Xib2Xic0MuNu/Xic02pKKpi");
  TTree added_Xic0_tree("Xic02pKKpi","Xic02pKKpi");

  added_Xic0_tree.Branch("Xib_CorrM", &Xb_CorrM, "Xib_CorrM/D");
  added_Xic0_tree.Branch("p_beta", &p_beta, "p_beta/D");
  added_Xic0_tree.Branch("SSK1_beta", &SSK1_beta, "SSK1_beta/D");
  added_Xic0_tree.Branch("SSK2_beta", &SSK2_beta, "SSK2_beta/D");
  added_Xic0_tree.Branch("pi_beta", &pi_beta, "pi_beta/D");
  added_Xic0_tree.Branch("Added_n_Particles", &Added_n_Particles, "Added_n_Particles/I");
  added_Xic0_tree.Branch("Xcpi_CosTheta", &Xcpi_CosTheta, "Xcpi_CosTheta[Added_n_Particles]/F");
  added_Xic0_tree.Branch("XcK_CosTheta", &XcK_CosTheta, "XcK_CosTheta[Added_n_Particles]/F");
  added_Xic0_tree.Branch("Xcp_CosTheta", &Xcp_CosTheta, "Xcp_CosTheta[Added_n_Particles]/F");
  added_Xic0_tree.Branch("p_as_piKKpi_M", &p_as_piKpi_M, "p_as_piKKpi_M/D");
  added_Xic0_tree.Branch("p_as_KKKpi_M", &p_as_KKpi_M, "p_as_KKKpi_M/D");

  UInt_t Xic0_nevents = Xic0_tree->GetEntries();
  cout << "Entries in Xic0 tree: " << Xic0_nevents << endl;

  for (UInt_t evt = 0; evt < Xic0_nevents;evt++) {
    Xic0_tree->GetEntry(evt);

    TVector3 dir(Xb_ENDVERTEX_X-Xb_OWNPV_X,Xb_ENDVERTEX_Y-Xb_OWNPV_Y,Xb_ENDVERTEX_Z-Xb_OWNPV_Z);
    TVector3 mom;
    mom.SetPtEtaPhi(Xb_PT,Xb_ETA,Xb_PHI);
    double dmag2 = dir.Mag2();
    double ptprime = 0;
    if ( 0 == dmag2 ) ptprime = mom.Mag();
    else ptprime = (mom - dir * ( mom.Dot( dir ) / dmag2 )).Mag() ;
    Xb_CorrM = sqrt(Xb_M*Xb_M + ptprime*ptprime) + ptprime;

    TLorentzVector Xb;
    Xb.SetPtEtaPhiM(Xb_PT,Xb_ETA,Xb_PHI,Xb_CorrM);
    TLorentzVector Xc;
    Xc.SetPtEtaPhiM(Xc_PT,Xc_ETA,Xc_PHI,Xc_M);
    for(int i = 0; i < Added_n_Particles; i++){
      TLorentzVector Hpi;
      Hpi.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],pionmass);
      TLorentzVector HK;
      HK.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],kaonmass);
      TLorentzVector Hp;
      Hp.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],protonmass);
      TLorentzVector Xcpi = Hpi + Xc;
      TLorentzVector XcK = HK + Xc;
      TLorentzVector Xcp = Hp + Xc;
      Xcpi.Boost(-Xb.BoostVector());
      Xcpi_CosTheta[i] = cos(Xcpi.Angle(Xb.Vect()));
      XcK.Boost(-Xb.BoostVector());
      XcK_CosTheta[i] = cos(XcK.Angle(Xb.Vect()));
      Xcp.Boost(-Xb.BoostVector());
      Xcp_CosTheta[i] = cos(Xcp.Angle(Xb.Vect()));
    }
    p_beta    = (-p_P+SSK1_P+SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    SSK1_beta = ( p_P-SSK1_P+SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    SSK2_beta = ( p_P+SSK1_P-SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    pi_beta   = ( p_P+SSK1_P+SSK2_P-pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);

    TLorentzVector proton;
    proton.SetPtEtaPhiM(p_PT,p_ETA,p_PHI,protonmass);
    TLorentzVector kaon1;
    kaon1.SetPtEtaPhiM(SSK1_PT,SSK1_ETA,SSK1_PHI,kaonmass);
    TLorentzVector kaon2;
    kaon2.SetPtEtaPhiM(SSK2_PT,SSK2_ETA,SSK2_PHI,kaonmass);
    TLorentzVector pion;
    pion.SetPtEtaPhiM(pi_PT,pi_ETA,pi_PHI,pionmass);

    TLorentzVector p_as_pi;
    p_as_pi.SetVectM(proton.Vect(),pionmass);
    TLorentzVector p_as_K;
    p_as_K.SetVectM(proton.Vect(),kaonmass);

    p_as_piKpi_M = (p_as_pi + kaon1 + kaon2 + pion).M();
    p_as_KKpi_M = (p_as_K + kaon1 + kaon2 + pion).M();

    added_Xic0_tree.Fill();

  }

  added_Xic0_tree.Write();

  fSLBS->cd();
  TTree *Omegac_tree = (TTree*)gDirectory->Get("Omegab2Omegac0MuNu/Omegac2pKKpi/DecayTree");

  Omegac_tree->SetBranchStatus("*",0); //disable all branches
  //now switch on the ones we need (saves a lot of time)
  Omegac_tree->SetBranchStatus("Omegab_M",1);
  Omegac_tree->SetBranchStatus("Omegab_PT",1);
  Omegac_tree->SetBranchStatus("Omegab_ETA",1);
  Omegac_tree->SetBranchStatus("Omegab_PHI",1);
  Omegac_tree->SetBranchStatus("Omegab_OWNPV_X",1);
  Omegac_tree->SetBranchStatus("Omegab_OWNPV_Y",1);
  Omegac_tree->SetBranchStatus("Omegab_OWNPV_Z",1);
  Omegac_tree->SetBranchStatus("Omegab_ENDVERTEX_X",1);
  Omegac_tree->SetBranchStatus("Omegab_ENDVERTEX_Y",1);
  Omegac_tree->SetBranchStatus("Omegab_ENDVERTEX_Z",1);

  Omegac_tree->SetBranchStatus("Omegac_M",1);
  Omegac_tree->SetBranchStatus("Omegac_PT",1);
  Omegac_tree->SetBranchStatus("Omegac_ETA",1);
  Omegac_tree->SetBranchStatus("Omegac_PHI",1);

  Omegac_tree->SetBranchStatus("Added_n_Particles",1);
  Omegac_tree->SetBranchStatus("Added_H_PT",1);
  Omegac_tree->SetBranchStatus("Added_H_ETA",1);
  Omegac_tree->SetBranchStatus("Added_H_PHI",1);

  Omegac_tree->SetBranchStatus("p_P",1);
  Omegac_tree->SetBranchStatus("SSK1_P",1);
  Omegac_tree->SetBranchStatus("SSK2_P",1);
  Omegac_tree->SetBranchStatus("pi_P",1);

  //set the branch addresses
  Omegac_tree->SetBranchAddress("Omegab_M",&Xb_M);
  Omegac_tree->SetBranchAddress("Omegab_PT",&Xb_PT);
  Omegac_tree->SetBranchAddress("Omegab_ETA",&Xb_ETA);
  Omegac_tree->SetBranchAddress("Omegab_PHI",&Xb_PHI);
  Omegac_tree->SetBranchAddress("Omegab_OWNPV_X",&Xb_OWNPV_X);
  Omegac_tree->SetBranchAddress("Omegab_OWNPV_Y",&Xb_OWNPV_Y);
  Omegac_tree->SetBranchAddress("Omegab_OWNPV_Z",&Xb_OWNPV_Z);
  Omegac_tree->SetBranchAddress("Omegab_ENDVERTEX_X",&Xb_ENDVERTEX_X);
  Omegac_tree->SetBranchAddress("Omegab_ENDVERTEX_Y",&Xb_ENDVERTEX_Y);
  Omegac_tree->SetBranchAddress("Omegab_ENDVERTEX_Z",&Xb_ENDVERTEX_Z);

  Omegac_tree->SetBranchAddress("Omegac_M",&Xc_M);
  Omegac_tree->SetBranchAddress("Omegac_PT",&Xc_PT);
  Omegac_tree->SetBranchAddress("Omegac_ETA",&Xc_ETA);
  Omegac_tree->SetBranchAddress("Omegac_PHI",&Xc_PHI);

  Omegac_tree->SetBranchAddress("Added_n_Particles",&Added_n_Particles);
  Omegac_tree->SetBranchAddress("Added_H_PT",&Added_H_PT);
  Omegac_tree->SetBranchAddress("Added_H_ETA",&Added_H_ETA);
  Omegac_tree->SetBranchAddress("Added_H_PHI",&Added_H_PHI);

  Omegac_tree->SetBranchAddress("p_P",&p_P);
  Omegac_tree->SetBranchAddress("SSK1_P",&SSK1_P);
  Omegac_tree->SetBranchAddress("SSK2_P",&SSK2_P);
  Omegac_tree->SetBranchAddress("pi_P",&pi_P);

  f1->cd();
  //f1->mkdir("Omegab2Omegac0MuNu/Omegac2pKKpi");
  //f1->cd("Omegab2Omegac0MuNu/Omegac2pKKpi");
  TTree added_Omegac_tree("Omegac2pKKpi","Omegac2pKKpi");

  added_Omegac_tree.Branch("Omegab_CorrM", &Xb_CorrM, "Omegab_CorrM/D");
  added_Omegac_tree.Branch("p_beta", &p_beta, "p_beta/D");
  added_Omegac_tree.Branch("SSK1_beta", &SSK1_beta, "SSK1_beta/D");
  added_Omegac_tree.Branch("SSK2_beta", &SSK2_beta, "SSK2_beta/D");
  added_Omegac_tree.Branch("pi_beta", &pi_beta, "pi_beta/D");
  added_Omegac_tree.Branch("Added_n_Particles", &Added_n_Particles, "Added_n_Particles/I");
  added_Omegac_tree.Branch("Xcpi_CosTheta", &Xcpi_CosTheta, "Xcpi_CosTheta[Added_n_Particles]/F");
  added_Omegac_tree.Branch("XcK_CosTheta", &XcK_CosTheta, "XcK_CosTheta[Added_n_Particles]/F");
  added_Omegac_tree.Branch("Xcp_CosTheta", &Xcp_CosTheta, "Xcp_CosTheta[Added_n_Particles]/F");

  UInt_t Omegac_nevents = Omegac_tree->GetEntries();
  cout << "Entries in Omegac tree: " << Omegac_nevents << endl;

  for (UInt_t evt = 0; evt < Omegac_nevents;evt++) {
    Omegac_tree->GetEntry(evt);

    TVector3 dir(Xb_ENDVERTEX_X-Xb_OWNPV_X,Xb_ENDVERTEX_Y-Xb_OWNPV_Y,Xb_ENDVERTEX_Z-Xb_OWNPV_Z);
    TVector3 mom;
    mom.SetPtEtaPhi(Xb_PT,Xb_ETA,Xb_PHI);
    double dmag2 = dir.Mag2();
    double ptprime = 0;
    if ( 0 == dmag2 ) ptprime = mom.Mag();
    else ptprime = (mom - dir * ( mom.Dot( dir ) / dmag2 )).Mag() ;
    Xb_CorrM = sqrt(Xb_M*Xb_M + ptprime*ptprime) + ptprime;

    TLorentzVector Xb;
    Xb.SetPtEtaPhiM(Xb_PT,Xb_ETA,Xb_PHI,Xb_CorrM);
    TLorentzVector Xc;
    Xc.SetPtEtaPhiM(Xc_PT,Xc_ETA,Xc_PHI,Xc_M);
    for(int i = 0; i < Added_n_Particles; i++){
      TLorentzVector Hpi;
      Hpi.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],pionmass);
      TLorentzVector HK;
      HK.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],kaonmass);
      TLorentzVector Hp;
      Hp.SetPtEtaPhiM(Added_H_PT[i],Added_H_ETA[i],Added_H_PHI[i],protonmass);
      TLorentzVector Xcpi = Hpi + Xc;
      TLorentzVector XcK = HK + Xc;
      TLorentzVector Xcp = Hp + Xc;
      Xcpi.Boost(-Xb.BoostVector());
      Xcpi_CosTheta[i] = cos(Xcpi.Angle(Xb.Vect()));
      XcK.Boost(-Xb.BoostVector());
      XcK_CosTheta[i] = cos(XcK.Angle(Xb.Vect()));
      Xcp.Boost(-Xb.BoostVector());
      Xcp_CosTheta[i] = cos(Xcp.Angle(Xb.Vect()));
    }
    p_beta    = (-p_P+SSK1_P+SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    SSK1_beta = ( p_P-SSK1_P+SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    SSK2_beta = ( p_P+SSK1_P-SSK2_P+pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);
    pi_beta   = ( p_P+SSK1_P+SSK2_P-pi_P)/(p_P+SSK1_P+SSK2_P+pi_P);

    added_Omegac_tree.Fill();

  }

  added_Omegac_tree.Write();

  clock->Stop();clock->Print();delete clock;
  return;
}
Int_t dieleAna(TString inputlist, TString outfile, Int_t nev=-1, Int_t whichweight = 0)
{

    TH1::SetDefaultSumw2();
    TH3F *p3DEffEle[6][NWEIGHTS+1]; // mult bins, MLP weights + HC
    TH3F *p3DEffPos[6][NWEIGHTS+1];
    TH3F *p3DAccEle[6][NWEIGHTS+1];
    TH3F *p3DAccPos[6][NWEIGHTS+1];
    readAccEffMatrices(p3DAccEle, p3DAccPos, p3DEffEle, p3DEffPos);
    TH2F *smear_ele, *smear_pos;
    TFile *file_smear = new TFile("smearing_matrix.root","read");
    smear_ele = (TH2F*)file_smear->Get("smear_ele");
    smear_pos = (TH2F*)file_smear->Get("smear_pos");

    TRandom random;

/*
    TFile *pEffFile;

    pEffFile = new TFile("Input/EffMatrixMVA2RefAccNewCP_100Mio.root");
    if (pEffFile)
    {
	pEffFile->cd();
	for(Int_t i = 0 ; i < 5 ; i++){
            p3DEffEle[i][6] = (TH3F*) pEffFile->Get(Form("hHistEff3DMult%iNeg",i));
            p3DEffPos[i][6] = (TH3F*) pEffFile->Get(Form("hHistEff3DMult%iPos",i));
     //       p3DEffEle[i] = (TH3F*) pEffFile->Get("hHistEff3DNeg");
      //      p3DEffPos[i] = (TH3F*) pEffFile->Get("hHistEff3DPos");
        }
    }
    else
    {
	Error("DrawFromNtuple constructor","pointer to eff matrix file is NULL");
	for(Int_t i = 0 ; i < 5 ; i++){
	    p3DEffEle[i][6] = NULL;
	    p3DEffPos[i][6] = NULL;
        }
    }
*/

    TH1F *pEventClass;
    TH1F *pEventClass_recur;
    TFile *pEventClassFile;
//    pEventClassFile = new TFile("eventClass_mult_nonempty_4secmult_200fpj_wait.root");
//    pEventClassFile = new TFile("eventClass_target_mult_rplane_nonempty_4secmult.root");
    pEventClassFile = new TFile("eventClass_target_mult_rplane_minmom_nmix_w6.root");
    if (pEventClassFile) {
        pEventClass = (TH1F*)pEventClassFile->Get("eventClass");
        pEventClass_recur = (TH1F*)pEventClassFile->Get("eventClass_recur");
        if (pEventClass == NULL || pEventClass_recur == NULL) {
            Error("DrawFromNtuple constructor","Histogram not found in the event class file");
            exit (-1);
        }
    }    
    else {
        Error("DrawFromNtuple constructor","Event class file not found");
        exit (-1);
    }
    HLoop* loop = new HLoop(kTRUE);  // kTRUE : create Hades  (needed to work with standard eventstructure)
    TString readCategories = "";
    if (inputlist.EndsWith(".list")) {
        loop->addFilesList(inputlist);
    }
    else {
        loop->addMultFiles(inputlist);
    }
    if(!loop->setInput(readCategories)) { exit(1); }
    loop->printCategories();
    loop->readSectorFileList("FileListLepton.list");
    int sectors[6];

    HGeantKine *kine1;
    HGeantKine *kine2;

    HCategory* kineCat = (HCategory*)HCategoryManager::getCategory(catGeantKine);

    HHistMap hM(outfile.Data());
    hM.setSilentFail(kTRUE);

    //------------------------------------------------------------------
    //--------------- begin histo booking -----------------------------------------------------
    //------------------------------------------------------------------------------------------

    const Int_t nbins = 26;
    Double_t xAxis1[nbins+1] = {0, 0.010, 0.020, 0.030, 0.040, 0.050, 0.060, 0.070, 0.080, 0.090, 0.110, 0.130, 0.150, 0.170, 0.200, 0.250, 0.300, 0.350, 0.400, 0.450, 0.500, 0.550, 0.600, 0.700, 0.800, 0.900, 1.};

    hM.addHist(new TH1F(TString("hmassNP"),TString("hmassNP"),nbins,xAxis1));
    hM.addHist(new TH1F(TString("hmassPP"),TString("hmassPP"),nbins,xAxis1));
    hM.addHist(new TH1F(TString("hmassNN"),TString("hmassNN"),nbins,xAxis1));
    hM.addHist(new TH1F(TString("hoAngleNP"),TString("hoAngleNP"),2000,0,200));
    hM.addHist(new TH1F(TString("hoAnglePP"),TString("hoAnglePP"),2000,0,200));
    hM.addHist(new TH1F(TString("hoAngleNN"),TString("hoAngleNN"),2000,0,200));
    hM.addHist(new TH1F(TString("hyNP"),TString("hyNP"),100,0,2));
    hM.addHist(new TH1F(TString("hyPP"),TString("hyPP"),100,0,2));
    hM.addHist(new TH1F(TString("hyNN"),TString("hyNN"),100,0,2));
    hM.addHist(new TH1F(TString("hptNP"),TString("hptNP"),100,0,1000));
    hM.addHist(new TH1F(TString("hptPP"),TString("hptPP"),100,0,1000));
    hM.addHist(new TH1F(TString("hptNN"),TString("hptNN"),100,0,1000));
    hM.addHist(new TH2F(TString("hoAnglemassNP"),TString("hoAnglemassNP"),90,0,180,nbins,xAxis1));
    hM.addHist(new TH2F(TString("hoAnglemassPP"),TString("hoAnglemassPP"),90,0,180,nbins,xAxis1));
    hM.addHist(new TH2F(TString("hoAnglemassNN"),TString("hoAnglemassNN"),90,0,180,nbins,xAxis1));
    hM.addHist(new TH2F(TString("hoAngleptNP"),TString("hoAngleptNP"),90,0,180,120,0,1200));
    hM.addHist(new TH2F(TString("hoAngleptPP"),TString("hoAngleptPP"),90,0,180,120,0,1200));
    hM.addHist(new TH2F(TString("hoAngleptNN"),TString("hoAngleptNN"),90,0,180,120,0,1200));
    hM.addHist(new TH2F(TString("hmassptNP"),TString("hmassptNP"),nbins,xAxis1,120,0,1200));
    hM.addHist(new TH2F(TString("hmassptPP"),TString("hmassptPP"),nbins,xAxis1,120,0,1200));
    hM.addHist(new TH2F(TString("hmassptNN"),TString("hmassptNN"),nbins,xAxis1,120,0,1200));
    hM.addHist(new TH2F(TString("hoAngleyNP"),TString("hoAngleyNP"),90,0,180,100,0,2));
    hM.addHist(new TH2F(TString("hoAngleyPP"),TString("hoAngleyPP"),90,0,180,100,0,2));
    hM.addHist(new TH2F(TString("hoAngleyNN"),TString("hoAngleyNN"),90,0,180,100,0,2));
    hM.addHist(new TH2F(TString("hmassyNP"),TString("hmassyNP"),nbins,xAxis1,100,0,2));
    hM.addHist(new TH2F(TString("hmassyPP"),TString("hmassyPP"),nbins,xAxis1,100,0,2));
    hM.addHist(new TH2F(TString("hmassyNN"),TString("hmassyNN"),nbins,xAxis1,100,0,2));
    hM.addHist(new TH2F(TString("hptyNP"),TString("hptyNP"),120,0,1200,100,0,2));
    hM.addHist(new TH2F(TString("hptyPP"),TString("hptyPP"),120,0,1200,100,0,2));
    hM.addHist(new TH2F(TString("hptyNN"),TString("hptyNN"),120,0,1200,100,0,2));
    hM.addHist(new TH2F(TString("hth1th2NP"),TString("hth1th2NP"),90,0,90,90,0,90));
    hM.addHist(new TH2F(TString("hth1th2PP"),TString("hth1th2PP"),90,0,90,90,0,90));
    hM.addHist(new TH2F(TString("hth1th2NN"),TString("hth1th2NN"),90,0,90,90,0,90));
    hM.addHist(new TH2F(TString("hp1p2NP"),TString("hp1p2NP"),100,0,1100,100,0,1100));
    hM.addHist(new TH2F(TString("hp1p2PP"),TString("hp1p2PP"),100,0,1100,100,0,1100));
    hM.addHist(new TH2F(TString("hp1p2NN"),TString("hp1p2NN"),100,0,1100,100,0,1100));

    for (int i = 0; i < 5; ++i) {
        hM.addHist(new TH1F(TString("hmassNP_eff_multbin")+TString::Itoa(i,10),TString("hmassNP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1));
        hM.addHist(new TH1F(TString("hmassPP_eff_multbin")+TString::Itoa(i,10),TString("hmassPP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1));
        hM.addHist(new TH1F(TString("hmassNN_eff_multbin")+TString::Itoa(i,10),TString("hmassNN_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1));
        hM.addHist(new TH1F(TString("hoAngleNP_eff_multbin")+TString::Itoa(i,10),TString("hoAngleNP_eff_multbin")+TString::Itoa(i,10),2000,0,200));
        hM.addHist(new TH1F(TString("hoAnglePP_eff_multbin")+TString::Itoa(i,10),TString("hoAnglePP_eff_multbin")+TString::Itoa(i,10),2000,0,200));
        hM.addHist(new TH1F(TString("hoAngleNN_eff_multbin")+TString::Itoa(i,10),TString("hoAngleNN_eff_multbin")+TString::Itoa(i,10),2000,0,200));
        hM.addHist(new TH1F(TString("hyNP_eff_multbin")+TString::Itoa(i,10),TString("hyNP_eff_multbin")+TString::Itoa(i,10),100,0,2));
        hM.addHist(new TH1F(TString("hyPP_eff_multbin")+TString::Itoa(i,10),TString("hyPP_eff_multbin")+TString::Itoa(i,10),100,0,2));
        hM.addHist(new TH1F(TString("hyNN_eff_multbin")+TString::Itoa(i,10),TString("hyNN_eff_multbin")+TString::Itoa(i,10),100,0,2));
        hM.addHist(new TH1F(TString("hptNP_eff_multbin")+TString::Itoa(i,10),TString("hptNP_eff_multbin")+TString::Itoa(i,10),100,0,1000));
        hM.addHist(new TH1F(TString("hptPP_eff_multbin")+TString::Itoa(i,10),TString("hptPP_eff_multbin")+TString::Itoa(i,10),100,0,1000));
        hM.addHist(new TH1F(TString("hptNN_eff_multbin")+TString::Itoa(i,10),TString("hptNN_eff_multbin")+TString::Itoa(i,10),100,0,1000));
        hM.addHist(new TH2F(TString("hoAnglemassNP_eff_multbin")+TString::Itoa(i,10),TString("hoAnglemassNP_eff_multbin")+TString::Itoa(i,10),90,0,180,nbins,xAxis1));
        hM.addHist(new TH2F(TString("hoAnglemassPP_eff_multbin")+TString::Itoa(i,10),TString("hoAnglemassPP_eff_multbin")+TString::Itoa(i,10),90,0,180,nbins,xAxis1));
        hM.addHist(new TH2F(TString("hoAnglemassNN_eff_multbin")+TString::Itoa(i,10),TString("hoAnglemassNN_eff_multbin")+TString::Itoa(i,10),90,0,180,nbins,xAxis1));
        hM.addHist(new TH2F(TString("hoAngleptNP_eff_multbin")+TString::Itoa(i,10),TString("hoAngleptNP_eff_multbin")+TString::Itoa(i,10),90,0,180,120,0,1200));
        hM.addHist(new TH2F(TString("hoAngleptPP_eff_multbin")+TString::Itoa(i,10),TString("hoAngleptPP_eff_multbin")+TString::Itoa(i,10),90,0,180,120,0,1200));
        hM.addHist(new TH2F(TString("hoAngleptNN_eff_multbin")+TString::Itoa(i,10),TString("hoAngleptNN_eff_multbin")+TString::Itoa(i,10),90,0,180,120,0,1200));
        hM.addHist(new TH2F(TString("hmassptNP_eff_multbin")+TString::Itoa(i,10),TString("hmassptNP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,120,0,1200));
        hM.addHist(new TH2F(TString("hmassptPP_eff_multbin")+TString::Itoa(i,10),TString("hmassptPP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,120,0,1200));
        hM.addHist(new TH2F(TString("hmassptNN_eff_multbin")+TString::Itoa(i,10),TString("hmassptNN_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,120,0,1200));
        hM.addHist(new TH2F(TString("hoAngleyNP_eff_multbin")+TString::Itoa(i,10),TString("hoAngleyNP_eff_multbin")+TString::Itoa(i,10),90,0,180,100,0,2));
        hM.addHist(new TH2F(TString("hoAngleyPP_eff_multbin")+TString::Itoa(i,10),TString("hoAngleyPP_eff_multbin")+TString::Itoa(i,10),90,0,180,100,0,2));
        hM.addHist(new TH2F(TString("hoAngleyNN_eff_multbin")+TString::Itoa(i,10),TString("hoAngleyNN_eff_multbin")+TString::Itoa(i,10),90,0,180,100,0,2));
        hM.addHist(new TH2F(TString("hmassyNP_eff_multbin")+TString::Itoa(i,10),TString("hmassyNP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,100,0,2));
        hM.addHist(new TH2F(TString("hmassyPP_eff_multbin")+TString::Itoa(i,10),TString("hmassyPP_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,100,0,2));
        hM.addHist(new TH2F(TString("hmassyNN_eff_multbin")+TString::Itoa(i,10),TString("hmassyNN_eff_multbin")+TString::Itoa(i,10),nbins,xAxis1,100,0,2));
        hM.addHist(new TH2F(TString("hptyNP_eff_multbin")+TString::Itoa(i,10),TString("hptyNP_eff_multbin")+TString::Itoa(i,10),120,0,1200,100,0,2));
        hM.addHist(new TH2F(TString("hptyPP_eff_multbin")+TString::Itoa(i,10),TString("hptyPP_eff_multbin")+TString::Itoa(i,10),120,0,1200,100,0,2));
        hM.addHist(new TH2F(TString("hptyNN_eff_multbin")+TString::Itoa(i,10),TString("hptyNN_eff_multbin")+TString::Itoa(i,10),120,0,1200,100,0,2));
        hM.addHist(new TH2F(TString("hth1th2NP_eff_multbin")+TString::Itoa(i,10),TString("hth1th2NP_eff_multbin")+TString::Itoa(i,10),90,0,90,90,0,90));
        hM.addHist(new TH2F(TString("hth1th2PP_eff_multbin")+TString::Itoa(i,10),TString("hth1th2PP_eff_multbin")+TString::Itoa(i,10),90,0,90,90,0,90));
        hM.addHist(new TH2F(TString("hth1th2NN_eff_multbin")+TString::Itoa(i,10),TString("hth1th2NN_eff_multbin")+TString::Itoa(i,10),90,0,90,90,0,90));
        hM.addHist(new TH2F(TString("hp1p2NP_eff_multbin")+TString::Itoa(i,10),TString("hp1p2NP_eff_multbin")+TString::Itoa(i,10),100,0,1100,100,0,1100));
        hM.addHist(new TH2F(TString("hp1p2PP_eff_multbin")+TString::Itoa(i,10),TString("hp1p2PP_eff_multbin")+TString::Itoa(i,10),100,0,1100,100,0,1100));
        hM.addHist(new TH2F(TString("hp1p2NN_eff_multbin")+TString::Itoa(i,10),TString("hp1p2NN_eff_multbin")+TString::Itoa(i,10),100,0,1100,100,0,1100));
    }

    //--------------- end histo booking -----------------------------------------------------

    HGenericEventMixer<HGeantKine> eventmixer;
    eventmixer.setPIDs(2,3,1);
    eventmixer.setBuffSize(80);
    //eventmixer.setBuffSize(2);
    HGenericEventMixer<HGeantKine> eventmixer_eff[5];
    for (int mb = 0; mb < 5; ++mb) {
        eventmixer_eff[mb].setPIDs(2,3,1);
        eventmixer_eff[mb].setBuffSize(80);
        //eventmixer_eff[mb].setBuffSize(2);
    }

    TStopwatch timer;
    timer.Reset();
    timer.Start();

    Float_t impB = -1.;
    Float_t impB_bins[]  = {9.3, 8.1, 6.6, 4.7, 0.};

    Int_t evtsInFile = loop->getEntries();
    if(nev < 0 || nev > evtsInFile ) nev = evtsInFile;

    for(Int_t i = 1; i < nev; i++)
    {
        //----------break if last event is reached-------------
        //if(!gHades->eventLoop(1)) break;
        if(loop->nextEvent(i) <= 0) { cout<<" end recieved "<<endl; break; } // last event reached
        HTool::printProgress(i,nev,1,"Analyze :");
        loop->getSectors(sectors);

	HPartialEvent *fSimul        = ((HRecEvent*)gHades->getCurrentEvent())->getPartialEvent(catSimul);
	HGeantHeader *fSubHeader = (HGeantHeader*)(fSimul->getSubHeader());
	impB = fSubHeader->getImpactParameter();

	Int_t multbin = 0;
        if (impB >= impB_bins[4] && impB <= impB_bins[3]) {multbin=1;} // most central
	if (impB >  impB_bins[3] && impB <= impB_bins[2]) {multbin=2;}
	if (impB >  impB_bins[2] && impB <= impB_bins[1]) {multbin=3;}
	if (impB >  impB_bins[1] && impB <= impB_bins[0]) {multbin=4;} // most peripheral
	if (impB >  impB_bins[0]) {multbin=5;}
/*
	HParticleEvtInfo* evtinfo;
	evtinfo = HCategoryManager::getObject(evtinfo,catParticleEvtInfo,0);

	Int_t multbin = 0;
	Int_t mult_meta = evtinfo->getSumTofMultCut() + evtinfo->getSumRpcMultHitCut();
        if (mult_meta >  60 && mult_meta <=  88) multbin = 4; // most peripheral
        if (mult_meta >  88 && mult_meta <= 121) multbin = 3;
        if (mult_meta > 121 && mult_meta <= 160) multbin = 2;
        if (mult_meta > 160 && mult_meta <= 250) multbin = 1; // most central
        if (mult_meta > 250) multbin = 5;
*/

        if (multbin == 0 || multbin == 5) continue;

        Int_t size = kineCat->getEntries();

        // Additional loop to fill vector
        vector<HGeantKine *> vep;
        vector<HGeantKine *> vem;
        vector<HGeantKine *> vep_eff;
        vector<HGeantKine *> vem_eff;
        vector<HGeantKine *> vep_eff_multbin;
        vector<HGeantKine *> vem_eff_multbin;
	for(Int_t j = 0; j < size; j ++){
	    kine1 = HCategoryManager::getObject(kine1,kineCat,j);
            Float_t vx,vy,vz;
            kine1->getVertex(vx,vy,vz);
	    Float_t vr = TMath::Sqrt(vx*vx+vy*vy);
            if (vz < -60 || vz > 0) continue;
            if (vr > 2) continue;
            Int_t mamaNum = kine1->getParentTrack();

            if (kine1->isInAcceptance()) {
                if (kine1->getTotalMomentum() > 100 && kine1->getTotalMomentum() < 1000) {
                    Float_t px,py,pz;
                    kine1->getMomentum(px,py,pz);
                    TH2F *smear_matr;
                    if (kine1->getID() == 2) {
                        smear_matr = smear_pos;
                    } else {
                        smear_matr = smear_ele;
                    }
                    Float_t mom_ideal = kine1->getTotalMomentum();
                    Float_t mom_reco = smear(mom_ideal,smear_matr,random);
                    Float_t reco_over_ideal = mom_reco / mom_ideal;
                    kine1->setMomentum(px*reco_over_ideal,py*reco_over_ideal,pz*reco_over_ideal);
                    TLorentzVector vec;
                    HParticleTool::getTLorentzVector(kine1,vec,kine1->getID());

                    Float_t mom = vec.Vect().Mag();
                    Float_t the = vec.Theta()*TMath::RadToDeg();
                    Float_t phi = (vec.Phi()+TMath::Pi())*TMath::RadToDeg();
                    Float_t chg = (kine1->getID() == 2) ? 1 : -1;

                    if (kine1->getID() == 3) {
                        vem.push_back(new HGeantKine(*kine1));
                    }
                    if (kine1->getID() == 2) {
                        vep.push_back(new HGeantKine(*kine1));
                    }
                    Float_t eff = 1./getEfficiencyFactor(p3DEffEle[0][6],p3DEffPos[0][6],mom_ideal,the,phi,chg,false,false); // don't debug, don't check min value
                    if (isinf(eff) || isnan(eff)) eff = 0.;
                    if (random.Uniform(1) > eff) {
                        if (kine1->getID() == 3) {
                            vem_eff.push_back(new HGeantKine(*kine1));
                        }
                        if (kine1->getID() == 2) {
                            vep_eff.push_back(new HGeantKine(*kine1));
                        }
                    }
                    Float_t eff_multbin = 1./getEfficiencyFactor(p3DEffEle[multbin][6],p3DEffPos[multbin][6],mom,the,phi,chg,false,false);
                    if (isinf(eff_multbin) || isnan(eff_multbin)) eff_multbin = 0.;
                    if (random.Uniform(1) > eff_multbin) {
                        if (kine1->getID() == 3) {
                            vem_eff_multbin.push_back(new HGeantKine(*kine1));
                        }
                        if (kine1->getID() == 2) {
                            vep_eff_multbin.push_back(new HGeantKine(*kine1));
                        }
                    }
                }
            }
        }

        eventmixer.nextEvent();
        eventmixer.addVector(vep,2);
        eventmixer.addVector(vem,3);
        vector<pair<HGeantKine *, HGeantKine* > >& pairsVec_acc = eventmixer.getMixedVector();

        eventmixer_eff[0].nextEvent();
        eventmixer_eff[0].addVector(vep_eff,2);
        eventmixer_eff[0].addVector(vem_eff,3);
        vector<pair<HGeantKine *, HGeantKine* > >& pairsVec_eff = eventmixer_eff[0].getMixedVector();

        eventmixer_eff[multbin].nextEvent();
        eventmixer_eff[multbin].addVector(vep_eff,2);
        eventmixer_eff[multbin].addVector(vem_eff,3);
        vector<pair<HGeantKine *, HGeantKine* > >& pairsVec_eff_multbin = eventmixer_eff[multbin].getMixedVector();

        for (int imix = 0; imix < 3; ++imix) {
            vector<pair<HGeantKine *, HGeantKine* > > pairsVec;
            TString suffix;
            switch (imix) {
                case 0: 
                    pairsVec = pairsVec_acc;
                    suffix = TString(""); 
                    break;
                case 1: 
                    pairsVec = pairsVec_eff;
                    suffix = TString("_eff_multbin0");
                    break;
                case 2: 
                    pairsVec = pairsVec_eff_multbin;
                    suffix = TString("_eff_multbin")+TString::Itoa(multbin,10);
                    break;
            }
            size = pairsVec.size();

            for (Int_t j = 0; j < size; j ++) {
                pair<HGeantKine*,HGeantKine*>& pair = pairsVec[j];

                kine1 = pair.first;
                kine2 = pair.second;
                TLorentzVector vec1, vec2;
                HParticleTool::getTLorentzVector(kine1,vec1,kine1->getID());
                HParticleTool::getTLorentzVector(kine2,vec2,kine2->getID());

                Float_t mom1 = vec1.Vect().Mag();
                Float_t the1 = vec1.Theta()*TMath::RadToDeg();
                Float_t mom2 = vec2.Vect().Mag();
                Float_t the2 = vec2.Theta()*TMath::RadToDeg();

                TLorentzVector dilep = vec1 + vec2;
                Float_t oAngle = vec1.Angle(vec2.Vect())*TMath::RadToDeg();
                Float_t mass   = dilep.M()/1000;
                Float_t pt     = dilep.Perp();
                Float_t y      = dilep.Rapidity();
                Float_t mbinw  = hM.get("hmassNP")->GetBinWidth(hM.get("hmassNP")->FindBin(mass));

                if (oAngle < 9) continue;

                TString chg = "NP";
                if (kine1->getID() == kine2->getID()) {
                    if (kine1->getID() == 2) chg = "PP";
                    if (kine1->getID() == 3) chg = "NN";
                }

                hM.get( TString("hmass")      +chg+suffix)->Fill(mass,       1./mbinw);
                hM.get( TString("hoAngle")    +chg+suffix)->Fill(oAngle      );
                hM.get( TString("hy")         +chg+suffix)->Fill(y           );
                hM.get( TString("hpt")        +chg+suffix)->Fill(pt          );
                hM.get2(TString("hoAnglemass")+chg+suffix)->Fill(oAngle,mass,1./mbinw);
                hM.get2(TString("hoAnglept")  +chg+suffix)->Fill(oAngle,pt   );
                hM.get2(TString("hmasspt")    +chg+suffix)->Fill(mass,pt,    1./mbinw);
                hM.get2(TString("hoAngley")   +chg+suffix)->Fill(oAngle,y    );
                hM.get2(TString("hmassy")     +chg+suffix)->Fill(mass,y,     1./mbinw);
                hM.get2(TString("hpty")       +chg+suffix)->Fill(pt,y        );
                hM.get2(TString("hth1th2")    +chg+suffix)->Fill(the1,the2   );
                hM.get2(TString("hp1p2")      +chg+suffix)->Fill(mom1,mom2   );
            }
        }
//#define DELETE_MIX
#ifdef DELETE_MIX
        vector <HGeantKine *>* toDel = eventmixer.getObjectsToDelete();
        for (unsigned int ii = 0; ii < toDel->size(); ++ii) {
            delete toDel->at(ii);
        }
        toDel->clear();
        delete toDel;
        vector <HGeantKine *>* toDel_eff = eventmixer_eff[0].getObjectsToDelete();
        for (unsigned int ii = 0; ii < toDel_eff->size(); ++ii) {
            delete toDel_eff->at(ii);
        }
        toDel_eff->clear();
        delete toDel_eff;
        vector <HGeantKine *>* toDel_eff_multbin = eventmixer_eff[multbin].getObjectsToDelete();
        for (unsigned int ii = 0; ii < toDel_eff_multbin->size(); ++ii) {
            delete toDel_eff_multbin->at(ii);
        }
        toDel_eff_multbin->clear();
        delete toDel_eff_multbin;
#endif

    } // end event loop

    timer.Stop();

    hM.getFile()->cd();
    TMacro m1(__DIELEANA_FILE__);
    m1.Write();
    hM.writeHists("nomap");

    cout<<"####################################################"<<endl;
    return 0;
}
Exemplo n.º 22
0
void PlotTheta( TString inputfilename, TString outputfilename = "output.root"){
//    infile= new TFile("../PATGrid.SM.10k.root","READ");
    infile = new TFile(inputfilename, "READ");
    tree = (TTree*)infile->Get("Event");
    outputFile = new TFile(outputfilename, "RECREATE");
    outTree = new TTree("MyTree","Untersuchung der RekoObjekte");

    //TH2::SetDefaultSumw2();

    histogram__CosThetaDiff = new TH1D("histogram__CosThetaDiff", "Differenz CosTheta gen-reko", 400, -2, 2);
    histogram__CosTheta_GenReko = new TH2D("histogram__CosTheta_GenReko", "Reko-cos(theta) gegen Gen-cos(theta)", 50, -1, 1, 50, -1, 1);

    histogram__gen_A = new TH2D("histogram__gen_A", "histogram__gen_A", 5, -1, 1, 5, -1, 1);
    histogram__gen_N = new TH2D("histogram__gen_N", "histogram__gen_N", 5, -1, 1, 5, -1, 1);

    histogram__gen_LL = new TH2D("histogram__gen_LL", "histogram__gen_LL", 5, -1, 1, 5, -1, 1);
    histogram__gen_LR = new TH2D("histogram__gen_LR", "histogram__gen_LR", 5, -1, 1, 5, -1, 1);
    histogram__gen_RR = new TH2D("histogram__gen_RR", "histogram__gen_RR", 5, -1, 1, 5, -1, 1);
    histogram__gen_RL = new TH2D("histogram__gen_RL", "histogram__gen_RL", 5, -1, 1, 5, -1, 1);

    histogram__gen_Correlation = new TH2D("histogram__gen_Correlation", "histogram__gen_Correlation", 5, -1, 1, 5, -1, 1);

    histogram__A = new TH2D("histogram__A", "histogram__A", 5, -1, 1, 5, -1, 1);
    histogram__N = new TH2D("histogram__N", "histogram__N", 5, -1, 1, 5, -1, 1);

    histogram__Correlation = new TH2D("histogram__Correlation", "histogram__Correlation", 5, -1, 1, 5, -1, 1);
    histogram__Correlation_L15_B50_T1 = new TH2D("histogram__Correlation_L15_B50_T1", "histogram__Correlation_L15_B50_T1", 5, -1, 1, 5, -1, 1);
    histogram__A_L15_B50_T1 = new TH2D("histogram__A_L15_B50_T1", "histogram__A_L15_B50_T1", 5, -1, 1, 5, -1, 1);
    histogram__N_L15_B50_T1 = new TH2D("histogram__N_L15_B50_T1", "histogram__N_L15_B50_T1", 5, -1, 1, 5, -1, 1);
    histogram__Correlation_L20 = new TH2D("histogram__Correlation_L20", "histogram__Correlation_L20", 5, -1, 1, 5, -1, 1);
    histogram__A_L20 = new TH2D("histogram__A_L20", "histogram__A_L20", 5, -1, 1, 5, -1, 1);
    histogram__N_L20 = new TH2D("histogram__N_L20", "histogram__N_L20", 5, -1, 1, 5, -1, 1);
    histogram__Correlation_L20_B40 = new TH2D("histogram__Correlation_L20_B40", "histogram__Correlation_L20_B40", 5, -1, 1, 5, -1, 1);
    histogram__A_L20_B40 = new TH2D("histogram__A_L20_B40", "histogram__A_L20_B40", 5, -1, 1, 5, -1, 1);
    histogram__N_L20_B40 = new TH2D("histogram__N_L20_B40", "histogram__N_L20_B40", 5, -1, 1, 5, -1, 1);
    
    histogram__Correlation_L20_B30_T1 = new TH2D("histogram__Correlation_L20_B30_T1", "histogram__Correlation_L20_B30_T1", 5, -1, 1, 5, -1, 1);
    histogram__A_L20_B30_T1 = new TH2D("histogram__A_L20_B30_T1", "histogram__A_L20_B30_T1", 5, -1, 1, 5, -1, 1);
    histogram__N_L20_B30_T1 = new TH2D("histogram__N_L20_B30_T1", "histogram__N_L20_B30_T1", 5, -1, 1, 5, -1, 1);

    histogram__Correlation_L20_B40_T1 = new TH2D("histogram__Correlation_L20_B40_T1", "histogram__Correlation_L20_B40_T1", 5, -1, 1, 5, -1, 1);
    histogram__A_L20_B40_T1 = new TH2D("histogram__A_L20_B40_T1", "histogram__A_L20_B40_T1", 5, -1, 1, 5, -1, 1);
    histogram__N_L20_B40_T1 = new TH2D("histogram__N_L20_B40_T1", "histogram__N_L20_B40_T1", 5, -1, 1, 5, -1, 1);
    histogram__Correlation_T1 = new TH2D("histogram__Correlation_T1", "histogram__Correlation_T1", 5, -1, 1, 5, -1, 1);
    histogram__A_T1 = new TH2D("histogram__A_T1", "histogram__A_T1", 5, -1, 1, 5, -1, 1);
    histogram__N_T1 = new TH2D("histogram__N_T1", "histogram__N_T1", 5, -1, 1, 5, -1, 1);



    histogram__CosThetaDiff_TTbarPt = new TH2D("histogram__CosThetaDiff_TTbarPt", "histogram__CosThetaDiff_TTbarPt", 100, 0, 1000, 400, -2, 2);


    histogram__LeptonRelIso = new TH1D("histogram__LeptonRelIso", "histogram__LeptonRelIso", 101, 0, 1.01);


    histogram__semilepton_BLeptonMinus = new TH1D("histogram__semilepton_BLeptonMinus","histogram__semilepton_BLeptonMinus", 200, -1, 1);
    histogram__semilepton_BLeptonPlus = new TH1D("histogram__semilepton_BLeptonPlus","histogram__semilepton_BLeptonPlus", 200, -1, 1);



    histogram_nupx_gen_reco = new TH2D(" histogram_nupx_gen_reco", " histogram_nupx_gen_reco", 600, -300, 300, 600, -300, 300);
    histogram_nupy_gen_reco = new TH2D(" histogram_nupy_gen_reco", " histogram_nupy_gen_reco", 600, -300, 300, 600, -300, 300);
    histogram_nupz_gen_reco = new TH2D(" histogram_nupz_gen_reco", " histogram_nupz_gen_reco", 600, -300, 300, 600, -300, 300);

    histogram_nubpx_gen_reco = new TH2D(" histogram_nubpx_gen_reco", " histogram_nubpx_gen_reco", 600, -300, 300, 600, -300, 300);
    histogram_nubpy_gen_reco = new TH2D(" histogram_nubpy_gen_reco", " histogram_nubpy_gen_reco", 600, -300, 300, 600, -300, 300);
    histogram_nubpz_gen_reco = new TH2D(" histogram_nubpz_gen_reco", " histogram_nubpz_gen_reco", 600, -300, 300, 600, -300, 300);

    outTree->Branch("EventIsGood", &EventIsGood, "Event ist rekonstruiert/I");
    outTree->Branch("numberOfJets", &numberOfJets, "Anzahl der Jets/I");
    outTree->Branch("numberOfGoodJets", &numberOfGoodJets, "Anzahl der guten Jets/I");

    outTree->Branch("CosThetaDiff" ,&CosThetaDiff ,"Differenz im cosTheta Reko zu Gen/D");
    outTree->Branch("CosThetaPlus" ,&CosThetaPlus ,"cosTheta LeptonPlus/D");
    outTree->Branch("CosThetaMinus" ,&CosThetaMinus ,"cosTheta LeptonMinus/D");
    outTree->Branch("RekoCosThetaPlus" ,&RekoCosThetaPlus ,"cosTheta RekoLeptonPlus/D");
    outTree->Branch("RekoCosThetaMinus" ,&RekoCosThetaMinus ,"cosTheta RekoLeptonMinus/D");

    outTree->Branch("CosLeptonAngleD", &CosLeptonAngleD, "CosinusLeptonWinkel D/D");
    outTree->Branch("CosRekoLeptonAngleD", &CosRekoLeptonAngleD, "CosinusRekoLeptonWinkel D/D");

    outTree->Branch("TTbar_Pt", &TTbar_Pt, "Pt des TTbarsystems Generator/D");
    outTree->Branch("RekoTTbar_Pt", &RekoTTbar_Pt, "Pt des TTbarsystems Reko/D");
    outTree->Branch("TTbar_M", &TTbar_M, "Masse des TTbarsystems Generator/D");
    outTree->Branch("RekoTTbar_M", &RekoTTbar_M, "Masse des TTbarsystems Reko/D");
    outTree->Branch("Top_Pt", &Top_Pt, "Pt des Tops Generator/D");
    outTree->Branch("Top_M", &Top_M, "M des Tops Generator/D");
    outTree->Branch("AntiTop_Pt", &AntiTop_Pt, "Pt des AntiTops Generator/D");
    outTree->Branch("AntiTop_M", &AntiTop_M, "M des AntiTops Generator/D");
    outTree->Branch("RekoTop_Pt", &RekoTop_Pt, "Pt des Tops Reko/D");
    outTree->Branch("RekoAntiTop_Pt", &RekoAntiTop_Pt, "Pt des AntiTops Reko/D");
    outTree->Branch("RekoTop_M", &RekoTop_M, "M des Tops Reko/D");
    outTree->Branch("RekoAntiTop_M", &RekoAntiTop_M, "M des AntiTops Reko/D");
    outTree->Branch("Nu_Px", &Nu_Px, "Px des Neutrinos Generator/D");
    outTree->Branch("Nu_Py", &Nu_Py, "Py des Neutrinos Generator/D");
    outTree->Branch("Nu_Pz", &Nu_Pz, "Pz des Neutrinos Generator/D");
    outTree->Branch("AntiNu_Px", &AntiNu_Px, "Px des AntiNeutrinos Generator/D");
    outTree->Branch("AntiNu_Py", &AntiNu_Py, "Py des AntiNeutrinos Generator/D");
    outTree->Branch("AntiNu_Pz", &AntiNu_Pz, "Pz des AntiNeutrinos Generator/D");
    outTree->Branch("RekoNu_Px", &RekoNu_Px, "Px des Neutrinos Reko/D");
    outTree->Branch("RekoNu_Py", &RekoNu_Py, "Py des Neutrinos Reko/D");
    outTree->Branch("RekoNu_Pz", &RekoNu_Pz, "Pz des Neutrinos Reko/D");
    outTree->Branch("RekoAntiNu_Px", &RekoAntiNu_Px, "Px des AntiNeutrinos Reko/D");
    outTree->Branch("RekoAntiNu_Py", &RekoAntiNu_Py, "Py des AntiNeutrinos Reko/D");
    outTree->Branch("RekoAntiNu_Pz", &RekoAntiNu_Pz, "Pz des AntiNeutrinos Reko/D");

    outTree->Branch("BestNu_Px", &BestNu_Px, "Px des Neutrinos Best/D");
    outTree->Branch("BestNu_Py", &BestNu_Py, "Py des Neutrinos Best/D");
    outTree->Branch("BestNu_Pz", &BestNu_Pz, "Pz des Neutrinos Best/D");
    outTree->Branch("BestAntiNu_Px", &BestAntiNu_Px, "Px des AntiNeutrinos Best/D");
    outTree->Branch("BestAntiNu_Py", &BestAntiNu_Py, "Py des AntiNeutrinos Best/D");
    outTree->Branch("BestAntiNu_Pz", &BestAntiNu_Pz, "Pz des AntiNeutrinos Best/D");

    outTree->Branch("Lepton_Pt", &Lepton_Pt, "kleineres Pt der beiden gewaehlten Leptonen/D");
    outTree->Branch("BJet_Et", &BJet_Et,"niedrigieres Et der BJets/D");
    outTree->Branch("BJet_Tag_TrkCount", &BJet_Tag_TrkCount,"niedrigierer BTag der BJets/D");
    outTree->Branch("BJet_Tag_SVsimple", &BJet_Tag_SVsimple,"niedrigierer BTag der BJets/D");
    outTree->Branch("BJet_Tag_SVcomb", &BJet_Tag_SVcomb,"niedrigierer BTag der BJets/D");
    outTree->Branch("BJet_Disc", &BJet_Disc,"niedrigierer Discriminator der BJets/D");
    outTree->Branch("Lepton1_Id", &Lepton1_Id, "PdgId des ersten Leptons/I");
    outTree->Branch("Lepton2_Id", &Lepton2_Id, "PdgId des zweiten Leptons/I");
    outTree->Branch("Lepton_Mass", &Lepton_Mass, "inv. Masse der beiden Leptonen/D");

    outTree->Branch("BJet_Angle", &BJet_Angle, "Winkel bJet zu Quark/D");
    outTree->Branch("BbarJet_Angle", &BbarJet_Angle, "Winkel bbarJet zu Quark/D");
    outTree->Branch("LeptonPlus_Angle", &LeptonPlus_Angle, "Winkel LeptonPlus zu Lepton Gen /D");
    outTree->Branch("LeptonMinus_Angle", &LeptonMinus_Angle, "Winkel LeptonMinus zu Lepton Gen /D");
    outTree->Branch("RekoNu_Angle", &RekoNu_Angle, "Winkel RekoNu zu GenNu/D");
    outTree->Branch("RekoAntiNu_Angle", &RekoAntiNu_Angle, "Winkel RekoAntiNu zu GenAntiNu/D");
    outTree->Branch("BestNu_Angle", &BestNu_Angle, "Winkel BestNu zu GenNu/D");
    outTree->Branch("BestAntiNu_Angle", &BestAntiNu_Angle, "Winkel BestAntiNu zu GenAntiNu/D");


    histogram__gen_Correlation->Sumw2();
    histogram__Correlation->Sumw2();
    histogram__gen_A->Sumw2();
    histogram__A->Sumw2();
    histogram__gen_N->Sumw2();
    histogram__N->Sumw2();


    double PatJetsPx[50];
    double PatJetsPy[50];
    double PatJetsPz[50];
    double PatJetsE[50];
    double PatJetsEt[50];

    double PatLeptonsPx[20];
    double PatLeptonsPy[20];
    double PatLeptonsPz[20];
    double PatLeptonsPt[20];
    double PatLeptonsE[20];
    int PatLeptonsCharge[20];
    int PatLeptonsPdgId[20];
    double PatLeptonsTrkIso[20];
    double PatLeptonsCaloIso[20];

    double PatJetsBTag_TrkCount[50];
    double PatJetsBTag_SVsimple[50];
    double PatJetsBTag_SVcomb[50];
    double PatJetsCharge[50];
    double PatJetsBQuarkDeltaR[50];
    double PatJetsBbarQuarkDeltaR[50];
    
    int numberOfPatMuons;
    int numberOfPatElectrons;
    int numberOfPatLeptons;
    int numberOfPatJets;

    int numberOfLeptons;



    TLorentzVector *pTop;           //FROM TREE
    TLorentzVector *pAntiTop;       //FROM TREE
    TLorentzVector *pLeptonPlus;    //FROM TREE
    TLorentzVector *pLeptonMinus;   //FROM TREE
    TLorentzVector *pBQuark;        //FROM TREE
    TLorentzVector *pBbarQuark;     //FROM TREE
    TLorentzVector* pGenNu;         //FROM TREE
    TLorentzVector* pGenAntiNu;     //FROM TREE

    TLorentzVector *pTTbar;
    TLorentzVector *pTopBoosted;
    TLorentzVector *pAntiTopBoosted;
    TLorentzVector *pLeptonPlusBoosted;
    TLorentzVector *pLeptonMinusBoosted;

    TLorentzVector *pJet[50];

    TLorentzVector *pBJet1;
    TLorentzVector *pBJet2;
    TLorentzVector *pRekoNu1;
    TLorentzVector *pRekoAntiNu1;
    TLorentzVector *pRekoNu2;
    TLorentzVector *pRekoAntiNu2;

    TLorentzVector *pRekoLeptonPlus;
    TLorentzVector *pRekoLeptonMinus;
    TLorentzVector *pBJet;
    TLorentzVector *pBbarJet;
    TLorentzVector *pRekoNu;
    TLorentzVector *pRekoAntiNu;

    TLorentzVector *pBestNu;
    TLorentzVector *pBestAntiNu;
    TLorentzVector *pBestNu2;
    TLorentzVector *pBestAntiNu2;

    TLorentzVector *pRekoTop;
    TLorentzVector *pRekoAntiTop;

    TLorentzVector *pRekoTTbar;
    TLorentzVector *pRekoTopBoosted;
    TLorentzVector *pRekoAntiTopBoosted;
    TLorentzVector *pRekoLeptonPlusBoosted;
    TLorentzVector *pRekoLeptonMinusBoosted;

    TLorentzVector *pNu;
    TLorentzVector *pAntiNu;

    TLorentzVector *pBBoosted;
    TLorentzVector *pBbarBoosted;

    pTop = new TLorentzVector(0,0,0,0);
    pAntiTop = new TLorentzVector(0,0,0,0);
    pLeptonPlus = new TLorentzVector(0,0,0,0);
    pLeptonMinus = new TLorentzVector(0,0,0,0);
    pBQuark = new TLorentzVector(0,0,0,0);
    pBbarQuark = new TLorentzVector(0,0,0,0);
    pGenNu = new TLorentzVector(0,0,0,0);
    pGenAntiNu = new TLorentzVector(0,0,0,0);

    pTTbar = new TLorentzVector(0,0,0,0);
    pTopBoosted = new TLorentzVector(0,0,0,0);
    pAntiTopBoosted = new TLorentzVector(0,0,0,0);
    pLeptonPlusBoosted = new TLorentzVector(0,0,0,0);
    pLeptonMinusBoosted = new TLorentzVector(0,0,0,0);

    pRekoTop = new TLorentzVector(0,0,0,0);
    pRekoAntiTop = new TLorentzVector(0,0,0,0);
    pRekoLeptonPlus = new TLorentzVector(0,0,0,0);
    pRekoLeptonMinus = new TLorentzVector(0,0,0,0);
    pRekoNu = new TLorentzVector(0,0,0,0);
    pRekoAntiNu = new TLorentzVector(0,0,0,0);

    pBestNu = new TLorentzVector(0,0,0,0);
    pBestAntiNu = new TLorentzVector(0,0,0,0);
    pBestNu2 = new TLorentzVector(0,0,0,0);
    pBestAntiNu2 = new TLorentzVector(0,0,0,0);

    pRekoTTbar = new TLorentzVector(0,0,0,0);
    pRekoTopBoosted = new TLorentzVector(0,0,0,0);
    pRekoAntiTopBoosted = new TLorentzVector(0,0,0,0);
    pRekoLeptonPlusBoosted = new TLorentzVector(0,0,0,0);
    pRekoLeptonMinusBoosted = new TLorentzVector(0,0,0,0);    

    pNu = new TLorentzVector(0,0,0,0);
    pAntiNu = new TLorentzVector(0,0,0,0);
    pBJet1 = new TLorentzVector(0,0,0,0);
    pBJet2 = new TLorentzVector(0,0,0,0);
    pRekoNu1 = new TLorentzVector(0,0,0,0);
    pRekoAntiNu1 = new TLorentzVector(0,0,0,0);
    pRekoNu2 = new TLorentzVector(0,0,0,0);
    pRekoAntiNu2 = new TLorentzVector(0,0,0,0);
    pBJet = new TLorentzVector(0,0,0,0);
    pBbarJet = new TLorentzVector(0,0,0,0);

    pBBoosted = new TLorentzVector(0,0,0,0);
    pBbarBoosted = new TLorentzVector(0,0,0,0);

    for(int i=0; i<50;i++) pJet[i] = new TLorentzVector(0,0,0,0);

    double mass_a = 170.0;
    double mass_b = 175.0;
    calc Poly(mass_a, mass_b, outputFile);
    

    tree->SetBranchAddress("pTop",                &pTop);
    tree->SetBranchAddress("pAntiTop",            &pAntiTop);
    tree->SetBranchAddress("pLeptonPlus",         &pLeptonPlus);
    tree->SetBranchAddress("pLeptonMinus",        &pLeptonMinus);
    tree->SetBranchAddress("pBQuark",             &pBQuark);
    tree->SetBranchAddress("pBbarQuark",          &pBbarQuark);

    tree->SetBranchAddress("PatLeptonsPx",           PatLeptonsPx);
    tree->SetBranchAddress("PatLeptonsPy",           PatLeptonsPy);
    tree->SetBranchAddress("PatLeptonsPz",           PatLeptonsPz);
    tree->SetBranchAddress("PatLeptonsPt",           PatLeptonsPt);
    tree->SetBranchAddress("PatLeptonsE",            PatLeptonsE);
    tree->SetBranchAddress("PatLeptonsCharge",       PatLeptonsCharge);
    tree->SetBranchAddress("PatLeptonsPdgId",        PatLeptonsPdgId);
    tree->SetBranchAddress("PatLeptonsTrkIso",       PatLeptonsTrkIso);
    tree->SetBranchAddress("PatLeptonsCaloIso",      PatLeptonsCaloIso);

    tree->SetBranchAddress("PatJetsPx",           PatJetsPx);
    tree->SetBranchAddress("PatJetsPy",           PatJetsPy);
    tree->SetBranchAddress("PatJetsPz",           PatJetsPz);
    tree->SetBranchAddress("PatJetsE",            PatJetsE);
    tree->SetBranchAddress("PatJetsEt",           PatJetsEt);
    
    tree->SetBranchAddress("PatJetsCharge", 	        PatJetsCharge);
    tree->SetBranchAddress("PatJetsBTag_TrkCount",	 	PatJetsBTag_TrkCount);
    tree->SetBranchAddress("PatJetsBTag_SVsimple",	 	PatJetsBTag_SVsimple);
    tree->SetBranchAddress("PatJetsBTag_SVcomb",	 	PatJetsBTag_SVcomb);
    tree->SetBranchAddress("PatJetsBQuarkDeltaR",     PatJetsBQuarkDeltaR);
    tree->SetBranchAddress("PatJetsBbarQuarkDeltaR",  PatJetsBbarQuarkDeltaR);
   
    tree->SetBranchAddress("numberOfPatMuons",	        &numberOfPatMuons);
    tree->SetBranchAddress("numberOfPatElectrons",	&numberOfPatElectrons);
    tree->SetBranchAddress("numberOfPatLeptons",	&numberOfPatLeptons);
    tree->SetBranchAddress("numberOfPatJets",	        &numberOfPatJets);

    tree->SetBranchAddress("numberOfLeptons",	&numberOfLeptons);

    tree->SetBranchAddress("pGenNu",          &pGenNu);
    tree->SetBranchAddress("pGenAntiNu",      &pGenAntiNu);
 
    int nEvents = (int)tree->GetEntries();
    //nEvents = 5000;
    int EventCounter = 0;
    cout << "Anzahl Ereignisse: " << nEvents << endl;
    for(int iEvent=1; iEvent<nEvents;iEvent++){

        tree->GetEntry(iEvent);

        EventCounter++;

  
        if(iEvent%10000 == 1)
        {
            cout << "Event " << iEvent << endl;
        }
        
        EventIsGood = 0;
        
// GENERATOR THETA

        w_A = 0;
        w_N = 0;
        
        *pTTbar=(*pTop+*pAntiTop);
        *pTopBoosted = *pTop;
        *pAntiTopBoosted = *pAntiTop;
        *pLeptonPlusBoosted = *pLeptonPlus;
        *pLeptonMinusBoosted = *pLeptonMinus;
        *pBBoosted = *pBQuark;
        *pBbarBoosted = *pBbarQuark;

        pAntiTopBoosted->Boost(-pTTbar->BoostVector());
        pTopBoosted->Boost(-pTTbar->BoostVector());
        pLeptonPlusBoosted->Boost(-pTop->BoostVector());
        pLeptonMinusBoosted->Boost(-pAntiTop->BoostVector());
        CosThetaPlus = cos(pLeptonPlusBoosted->Angle(pTopBoosted->Vect()));
        CosThetaMinus = cos(pLeptonMinusBoosted->Angle(pAntiTopBoosted->Vect()));

        pBBoosted->Boost(-pTop->BoostVector());
        pBbarBoosted->Boost(-pAntiTop->BoostVector());

        CosLeptonAngleD = cos(pLeptonPlusBoosted->Angle(pLeptonMinusBoosted->Vect()));

        double Nenner = 1 - 0.256*CosThetaPlus*CosThetaMinus;
        
        w_A = (-CosThetaPlus*CosThetaMinus)/Nenner;
        w_N = 1./Nenner;
        
        w_LL = (1-CosThetaPlus*CosThetaMinus-CosThetaPlus+CosThetaMinus)/Nenner;
        w_LR = (1+CosThetaPlus*CosThetaMinus-CosThetaPlus-CosThetaMinus)/Nenner;
        w_RR = (1-CosThetaPlus*CosThetaMinus+CosThetaPlus-CosThetaMinus)/Nenner;
        w_RL = (1+CosThetaPlus*CosThetaMinus+CosThetaPlus+CosThetaMinus)/Nenner;
        
        histogram__gen_A->Fill(CosThetaPlus, CosThetaMinus, w_A);
        histogram__gen_N->Fill(CosThetaPlus, CosThetaMinus, w_N);
        
        histogram__gen_LL->Fill(CosThetaPlus, CosThetaMinus, w_LL);
        histogram__gen_LR->Fill(CosThetaPlus, CosThetaMinus, w_LR);
        histogram__gen_RR->Fill(CosThetaPlus, CosThetaMinus, w_RR);
        histogram__gen_RL->Fill(CosThetaPlus, CosThetaMinus, w_RL);
        
        histogram__gen_Correlation->Fill(CosThetaPlus, CosThetaMinus);

        if(numberOfLeptons == 2) 
        {
            if(pLeptonMinus->Px() != 0) histogram__semilepton_BLeptonMinus->Fill( cos(pLeptonMinusBoosted->Angle(pBBoosted->Vect())) );
            if(pLeptonPlus->Px() != 0) histogram__semilepton_BLeptonPlus->Fill( cos(pLeptonPlusBoosted->Angle(pBbarBoosted->Vect())) );
        }

        numberOfJets = numberOfPatJets;
        if(numberOfPatLeptons>=2 && numberOfPatJets >=2)
        {

            RekoNu_Px = -10000;
            RekoNu_Py= -10000;
            RekoNu_Pz= -10000;
        
            RekoAntiNu_Px= -10000;
            RekoAntiNu_Py= -10000;
            RekoAntiNu_Pz= -10000;

            RekoTop_M = -10;
            RekoAntiTop_M = -10;
            RekoTop_Pt = -10;
            RekoAntiTop_Pt = -10;


            
            // REKO THETA 

            pBJet1->SetPxPyPzE(0.,0.,0.,0.);
            pBJet2->SetPxPyPzE(0.,0.,0.,0.);
            pRekoLeptonPlus->SetPxPyPzE(0.,0.,0.,0.);
            pRekoLeptonMinus->SetPxPyPzE(0.,0.,0.,0.);
            pBJet->SetPxPyPzE(0.,0.,0.,0.);
            pBbarJet->SetPxPyPzE(0.,0.,0.,0.);
            pRekoNu->SetPxPyPzE(0.,0.,0.,-10000.);
            pRekoAntiNu->SetPxPyPzE(0.,0.,0.,-10000.);

            pBestNu->SetPxPyPzE(0.,0.,0.,-10000.);
            pBestAntiNu->SetPxPyPzE(0.,0.,0.,-10000.);
            pRekoNu1->SetPxPyPzE(0.,0.,0.,-10000.);
            pRekoAntiNu1->SetPxPyPzE(0.,0.,0.,-10000.);
            pRekoNu2->SetPxPyPzE(0.,0.,0.,-10000.);
            pRekoAntiNu2->SetPxPyPzE(0.,0.,0.,-10000.);

            int LeptonIndex[20];
            int BTagTrkCountIndex[50];
            int BTagSVsimpleIndex[50];
            int BTagSVcombIndex[50];
            int BJetsEIndex[50];
            int BJetDeltaRIndex[50];
            int BbarJetDeltaRIndex[50];
            TMath::Sort(20,PatLeptonsE,LeptonIndex);
            TMath::Sort(50,PatJetsBTag_TrkCount, BTagTrkCountIndex);
            TMath::Sort(50,PatJetsBTag_SVsimple, BTagSVsimpleIndex);
            TMath::Sort(50,PatJetsBTag_SVcomb, BTagSVcombIndex);
            TMath::Sort(50, PatJetsE, BJetsEIndex);
            TMath::Sort(50, PatJetsBQuarkDeltaR, BJetDeltaRIndex);
            TMath::Sort(50, PatJetsBbarQuarkDeltaR, BbarJetDeltaRIndex);


            // Leptonen auswaehlen
            int OtherLepton = -1;
            for(int j=0; PatLeptonsCharge[LeptonIndex[0]]==PatLeptonsCharge[LeptonIndex[j]] && j<20; j++){
                OtherLepton=j+1;
            }
//            if(PatLeptonsCharge[LeptonIndex[OtherLepton]]==0) std::cout<<"Only Leptons of same Charge in Event " << iEvent << "!!"<<std::endl;

            if(PatLeptonsCharge[LeptonIndex[OtherLepton]]!=0){
                // Leptonen zuordnen
                if(PatLeptonsCharge[LeptonIndex[0]]==-1){	
                    pRekoLeptonMinus->SetPxPyPzE(PatLeptonsPx[LeptonIndex[0]], PatLeptonsPy[LeptonIndex[0]], PatLeptonsPz[LeptonIndex[0]], PatLeptonsE[LeptonIndex[0]] );
                }

                if(PatLeptonsCharge[LeptonIndex[0]]==+1){	
                    pRekoLeptonPlus->SetPxPyPzE(PatLeptonsPx[LeptonIndex[0]], PatLeptonsPy[LeptonIndex[0]], PatLeptonsPz[LeptonIndex[0]], PatLeptonsE[LeptonIndex[0]] );
                }
            
                if(PatLeptonsCharge[LeptonIndex[OtherLepton]]==-1){	
                    pRekoLeptonMinus->SetPxPyPzE(PatLeptonsPx[LeptonIndex[OtherLepton]], PatLeptonsPy[LeptonIndex[OtherLepton]], PatLeptonsPz[LeptonIndex[OtherLepton]],PatLeptonsE[LeptonIndex[OtherLepton]] );
                }
           
                if(PatLeptonsCharge[LeptonIndex[OtherLepton]]==+1){	
                    pRekoLeptonPlus->SetPxPyPzE(PatLeptonsPx[LeptonIndex[OtherLepton]], PatLeptonsPy[LeptonIndex[OtherLepton]], PatLeptonsPz[LeptonIndex[OtherLepton]], PatLeptonsE[LeptonIndex[OtherLepton]] );
                }

                //cout << "Leptonen ausgewaehlt" << endl;

                Lepton_Mass = ((*pRekoLeptonPlus) + (*pRekoLeptonMinus)).M();

                if( TMath::Abs( Lepton_Mass - 90.0 ) > 10 || PatLeptonsPdgId[LeptonIndex[0]] + PatLeptonsPdgId[LeptonIndex[OtherLepton]] !=0 )
                {

                    double JetDisc[50];
                    numberOfGoodJets = 0;
                    for(int j=0; j<50; j++){
                        JetDisc[j] = 0.;
                        if(j<numberOfPatJets){
                            //JetDisc[j] = PatJetsBTag_TrkCount[j] * PatJetsEt[j];
                            if(PatJetsBTag_TrkCount[j]>1. && PatJetsEt[j]>20){
                                pJet[j]->SetPxPyPzE(PatJetsPx[j],PatJetsPy[j],  PatJetsPz[j], PatJetsE[j]);
                                if(TMath::Min(pJet[j]->Angle(pRekoLeptonPlus->Vect()), pJet[j]->Angle(pRekoLeptonMinus->Vect())) >0.1){
                                    numberOfGoodJets++;
                                    JetDisc[j] = PatJetsBTag_TrkCount[j] * PatJetsEt[j];
                                }
                            }
                            if(j<numberOfPatLeptons){
                                histogram__LeptonRelIso->Fill(PatLeptonsPt[j]/(PatLeptonsPt[j]+PatLeptonsTrkIso[j]+PatLeptonsCaloIso[j]));
                            }
                        }
                    }
                    int JetDiscIndex[50];
                    TMath::Sort(50, JetDisc, JetDiscIndex);
                        
                    // Jets auswaehlen
                    // verbesserte Auswahl (BTag*ET)
                    pBJet1->SetPxPyPzE(PatJetsPx[JetDiscIndex[0]],PatJetsPy[JetDiscIndex[0]],PatJetsPz[JetDiscIndex[0]],PatJetsE[JetDiscIndex[0]]);
                    pBJet2->SetPxPyPzE(PatJetsPx[JetDiscIndex[1]],PatJetsPy[JetDiscIndex[1]],PatJetsPz[JetDiscIndex[1]],PatJetsE[JetDiscIndex[1]]);

                    //pBJet1->SetPxPyPzE(PatJetsPx[BTagTrkCountIndex[0]],PatJetsPy[BTagTrkCountIndex[0]],PatJetsPz[BTagTrkCountIndex[0]],PatJetsE[BTagTrkCountIndex[0]]);
                    //pBJet2->SetPxPyPzE(PatJetsPx[BTagTrkCountIndex[1]],PatJetsPy[BTagTrkCountIndex[1]],PatJetsPz[BTagTrkCountIndex[1]],PatJetsE[BTagTrkCountIndex[1]]);
                    
                    
                    //cout << "Jets gewaehlt" << endl;
                    
                    
                    // Neutrinos berechnen 
                    
                    //Generator-Werte setzen fuer Vergleich mit Berechnung
                    pNu->SetPxPyPzE(pGenNu->Px(),pGenNu->Py(),pGenNu->Pz(),pGenNu->E());
                    pAntiNu->SetPxPyPzE(pGenAntiNu->Px(),pGenAntiNu->Py(),pGenAntiNu->Pz(),pGenAntiNu->E());
                    
                    
                    
                    Poly.Init(pRekoLeptonPlus, pRekoLeptonMinus, pBJet1, pBJet2, pNu, pAntiNu); // BJet1 = b, BJet2 = bbar
                    Poly.Solve(170.0,171.0 , iEvent, pRekoNu1, pRekoAntiNu1, pBestNu, pBestAntiNu);
                    
                    Poly.Init(pRekoLeptonPlus, pRekoLeptonMinus, pBJet2, pBJet1, pNu, pAntiNu); // BJet1 = bbar, BJet2 = b
                    Poly.Solve(170.0,171.0 , iEvent, pRekoNu2, pRekoAntiNu2, pBestNu2, pBestAntiNu2);
                    
                    //cout << "Neutrinos berechnet" << endl;
                    
                    
// Abfrage, ob Neutrinoloesung ungleich -10000 !!!
                    if(pRekoAntiNu1->Pz() != -10000 && pRekoAntiNu2->Pz() != -10000){
                        
                        if(TMath::Abs( ((*pRekoLeptonPlus)+(*pRekoNu1)+(*pBJet1)).M() + ((*pRekoLeptonMinus)+(*pRekoAntiNu1)+(*pBJet2)).M() - 2*173.2) < TMath::Abs(((*pRekoLeptonPlus)+(*pRekoNu2)+(*pBJet2)).M() + ((*pRekoLeptonMinus)+(*pRekoAntiNu2)+(*pBJet1)).M() - 2*173.2) ){
                            *pBJet = *pBJet1;
                            *pBbarJet = *pBJet2;
                            *pRekoNu = *pRekoNu1;
                            *pRekoAntiNu = *pRekoAntiNu1;
                        }
                        else {
                            *pBJet = *pBJet2;
                            *pBbarJet = *pBJet1;
                            *pRekoNu = *pRekoNu2;
                            *pRekoAntiNu = *pRekoAntiNu2;
                            *pBestNu = *pBestNu2;
                            *pBestAntiNu = *pBestAntiNu2;
                        }
                    }
                    else if(pRekoAntiNu1->Pz() != -10000){
                        *pBJet = *pBJet1;
                        *pBbarJet = *pBJet2;
                        *pRekoNu = *pRekoNu1;
                        *pRekoAntiNu = *pRekoAntiNu1;
                    }
                    else if(pRekoAntiNu2->Pz() != -10000){
                        *pBJet = *pBJet2;
                        *pBbarJet = *pBJet1;
                        *pRekoNu = *pRekoNu2;
                        *pRekoAntiNu = *pRekoAntiNu2;
                        *pBestNu = *pBestNu2;
                        *pBestAntiNu = *pBestAntiNu2;
                    }
                    else{
                        pRekoNu->SetPxPyPzE(0,0,-10000, 10000);
                        pRekoAntiNu->SetPxPyPzE(0,0,-10000, 10000);
                        pBestNu->SetPxPyPzE(0,0,-10000, 10000);
                        pBestAntiNu->SetPxPyPzE(0,0,-10000, 10000);
                        pBJet->SetPxPyPzE(0,0,-10000, 10000);
                        pBbarJet->SetPxPyPzE(0,0,-10000, 10000);
                    }
                    
                    
                    
                    TTbar_Pt = pTTbar->Pt();
                    TTbar_M = pTTbar->M();
                    
                    Top_Pt = pTop->Pt();
                    AntiTop_Pt = pAntiTop->Pt();
                    Top_M = pTop->M();
                    AntiTop_M = pAntiTop->M();
                    
                    Nu_Px = pNu->Px();
                    Nu_Py = pNu->Py();
                    Nu_Pz = pNu->Pz();
                    
                    AntiNu_Px = pAntiNu->Px();
                    AntiNu_Py = pAntiNu->Py();
                    AntiNu_Pz = pAntiNu->Pz();
                    
                    
                    
                    Lepton_Pt = TMath::Min(pRekoLeptonPlus->Pt(), pRekoLeptonMinus->Pt());
                    BJet_Et = TMath::Min(pBJet->Et(), pBbarJet->Et());
                    BJet_Tag_SVsimple = PatJetsBTag_SVsimple[BTagSVsimpleIndex[1]];
                    BJet_Tag_SVcomb = PatJetsBTag_SVcomb[BTagSVcombIndex[1]];
                    BJet_Tag_TrkCount = PatJetsBTag_TrkCount[BTagTrkCountIndex[1]];
                    BJet_Disc = JetDisc[JetDiscIndex[1]];
                    Lepton1_Id = PatLeptonsPdgId[LeptonIndex[0]];
                    Lepton2_Id = PatLeptonsPdgId[LeptonIndex[OtherLepton]];
                    
                    LeptonPlus_Angle = -10.;
                    LeptonMinus_Angle = -10.;
                    BJet_Angle = -10.;
                    BbarJet_Angle = -10.;
                    RekoNu_Angle = -10.;
                    RekoAntiNu_Angle = -10.;
                    BestNu_Angle = -10.;
                    BestAntiNu_Angle = -10.;
                    
                    //cout << "Werte gesetzt" << endl;
                    
                    if(pRekoAntiNu->Pz() > -10000){

                        histogram_nupx_gen_reco->Fill(pGenNu->Px(), pRekoNu->Px());
                        histogram_nubpx_gen_reco->Fill(pGenAntiNu->Px(), pRekoAntiNu->Px());
                        histogram_nupy_gen_reco->Fill(pGenNu->Py(), pRekoNu->Py());
                        histogram_nubpy_gen_reco->Fill(pGenAntiNu->Py(), pRekoAntiNu->Py());
                        histogram_nupz_gen_reco->Fill(pGenNu->Pz(), pRekoNu->Pz());
                        histogram_nubpz_gen_reco->Fill(pGenAntiNu->Pz(), pRekoAntiNu->Pz());
                        
                        if(pLeptonPlus->E() != 0 && pLeptonMinus->E() != 0 && pBQuark->E() != 0 ){
                            BJet_Angle = pBJet->DeltaR(*pBQuark);
                            BbarJet_Angle = pBbarJet->DeltaR(*pBbarQuark);
                            LeptonPlus_Angle = pRekoLeptonPlus->DeltaR(*pLeptonPlus);
                            LeptonMinus_Angle = pRekoLeptonMinus->DeltaR(*pLeptonMinus);
                            RekoNu_Angle = pRekoNu->DeltaR(*pNu);
                            RekoAntiNu_Angle = pRekoAntiNu->DeltaR(*pAntiNu);
                            BestNu_Angle = pBestNu->DeltaR(*pNu);
                            BestAntiNu_Angle = pBestAntiNu->DeltaR(*pAntiNu);
                        }

                        RekoNu_Px = pRekoNu->Px();
                        RekoNu_Py = pRekoNu->Py();
                        RekoNu_Pz = pRekoNu->Pz();
                        
                        RekoAntiNu_Px = pRekoAntiNu->Px();
                        RekoAntiNu_Py = pRekoAntiNu->Py();
                        RekoAntiNu_Pz = pRekoAntiNu->Pz();
                        
                        BestNu_Px = pBestNu->Px();
                        BestNu_Py = pBestNu->Py();
                        BestNu_Pz = pBestNu->Pz();
                        
                        BestAntiNu_Px = pBestAntiNu->Px();
                        BestAntiNu_Py = pBestAntiNu->Py();
                        BestAntiNu_Pz = pBestAntiNu->Pz(); 
                        
                        if(pRekoLeptonPlus->E()!=0 && pRekoLeptonMinus->E()!=0 && pBJet->E()!=0 && pBbarJet->E()!=0){ 
                            
                            EventIsGood = 1;
                            
                            *pRekoTop = (*pRekoLeptonPlus) + (*pBJet) + (*pRekoNu);
                            *pRekoAntiTop = (*pRekoLeptonMinus) + (*pBbarJet) + (*pRekoAntiNu);
                            *pRekoTTbar = (*pRekoTop) + (*pRekoAntiTop);
                            *pRekoTopBoosted = *pRekoTop;
                            *pRekoAntiTopBoosted = *pRekoAntiTop;
                            *pRekoLeptonPlusBoosted = *pRekoLeptonPlus;
                            *pRekoLeptonMinusBoosted = *pRekoLeptonMinus;
                            pRekoAntiTopBoosted->Boost(-pRekoTTbar->BoostVector());
                            pRekoTopBoosted->Boost(-pRekoTTbar->BoostVector());
                            pRekoLeptonPlusBoosted->Boost(-pRekoTop->BoostVector());
                            pRekoLeptonMinusBoosted->Boost(-pRekoAntiTop->BoostVector());
                            
                            RekoCosThetaPlus = cos(pRekoLeptonPlusBoosted->Angle(pRekoTopBoosted->Vect()));
                            RekoCosThetaMinus = cos(pRekoLeptonMinusBoosted->Angle(pRekoAntiTopBoosted->Vect()));
                            //cout << "Cos(Theta) Gen-Reko: " << CosThetaPlus - RekoCosThetaPlus << endl;
                            
                            CosThetaDiff = RekoCosThetaPlus - CosThetaPlus;

                            CosRekoLeptonAngleD = cos(pRekoLeptonPlusBoosted->Angle(pRekoLeptonMinusBoosted->Vect()));
                            
                            RekoTTbar_Pt = pRekoTTbar->Pt();
                            RekoTTbar_M = pRekoTTbar->M();
                            
                            RekoTop_Pt = pRekoTop->Pt();
                            RekoAntiTop_Pt = pRekoAntiTop->Pt();
                            
                            RekoTop_M = pRekoTop->M();
                            RekoAntiTop_M = pRekoAntiTop->M();
                            
                            
                            
                            histogram__A->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                            histogram__N->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);
                            
                            histogram__Correlation->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                            
                            histogram__CosThetaDiff->Fill( CosThetaPlus - RekoCosThetaPlus );
                            histogram__CosThetaDiff->Fill( CosThetaMinus - RekoCosThetaMinus );
                            histogram__CosTheta_GenReko->Fill(CosThetaPlus, RekoCosThetaPlus);
                            
                            histogram__CosThetaDiff_TTbarPt->Fill(pTTbar->Pt(), CosThetaPlus - RekoCosThetaPlus);

                            if(BJet_Tag_TrkCount > 1.0){
                                histogram__Correlation_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                histogram__A_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                histogram__N_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);
                            }


                            if(pRekoLeptonPlus->Pt()>15 && pRekoLeptonMinus->Pt()>15 && pBJet->Et()>50 && pBbarJet->Et()>50 && PatJetsBTag_TrkCount[BTagTrkCountIndex[1]]>1 ){
                                histogram__Correlation_L15_B50_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                histogram__A_L15_B50_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                histogram__N_L15_B50_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);

                            }
                            if(pRekoLeptonPlus->Pt()>20 && pRekoLeptonMinus->Pt()>20){
                                    
                                histogram__Correlation_L20->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                histogram__A_L20->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                histogram__N_L20->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);

                                if(pBJet->Et() > 30 && pBbarJet->Et() > 30 && PatJetsBTag_TrkCount[BTagTrkCountIndex[1]] > 1){
                                    histogram__Correlation_L20_B30_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                    histogram__A_L20_B30_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                    histogram__N_L20_B30_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);
                                }
                                    
                                if(pBJet->Et() > 40 && pBbarJet->Et() > 40){
                                    histogram__Correlation_L20_B40->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                    histogram__A_L20_B40->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                    histogram__N_L20_B40->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);
                                        
                                    if(PatJetsBTag_TrkCount[BTagTrkCountIndex[1]] > 1 ){
                                        histogram__Correlation_L20_B40_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus);
                                        histogram__A_L20_B40_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_A);
                                        histogram__N_L20_B40_T1->Fill(RekoCosThetaPlus, RekoCosThetaMinus, w_N);
                                    }
                                }
                            }
                        } // Leptonen und B != 0
                    } // Neutrino-Pz != -10000
                } // inv. Masse der Leptonen != Z-Masse+-10
            }// abfrage auf 2 Leptonen unterschiedlicher Ladung
            //cout << "Tree wird gefuellt: ";
  
            //cout << " und ist fertig" << endl;
            
        }
        outTree->Fill(); 
    } // EventLoop

    cout << "gezaehlte Ereignisse: " << EventCounter << endl;
    cout << "Rekonstruierte Ereignisse: " << histogram__Correlation->Integral() << endl;
    

    outputFile->cd("");
    outputFile->Write();
    outputFile->Close();
    delete outputFile;
}
Exemplo n.º 23
0
bool leptonic_fitter_algebraic::fit( const TLorentzVector& B, const TH1& BITF, const TF1& Beff, 
				     const TLorentzVector& lep, 
				     double MEX, double MEY, const TF1& dnuPDF )
{
  if( _dbg > 19 ) cout<<"DBG20 Entered leptonic_fitter_algebraic::fit with B mass: "<<B.M()<<", l_m:"<<lep.M()<<", MET: "<<MEX<<" "<<MEY<<endl;
  if( B.M() <= 0 ) throw std::runtime_error( "leptonic_fitter_algebraic was given a b-jet with an illegal (non-positive) mass!"); 
  if( lep.M() < 0 ) throw std::runtime_error( "leptonic_fitter_algebraic was given a lepton with an illegal (negative) mass!"); 
  _converged = _swapped = false;
  _obsB = B;
  _obsL = lep;

  _BITF = &BITF;
  _Beff = &Beff;
  _dnuPDF = dnuPDF;

  _b_m2 = B.M2();

  double lep_b_angle = lep.Angle( B.Vect() );
  double cos_lep_b = TMath::Cos( lep_b_angle );
  double sin_lep_b = TMath::Sin( lep_b_angle );
  double b_p = B.P();
  double b_e = B.E();
  _denom = b_e - cos_lep_b * b_p;
  
  _lep_p = lep.P();
  _x0 = - _W_m2 / ( 2 * _lep_p );
  _y1 = - sin_lep_b * _x0 * b_p / _denom;
  _x1_0 = _x0 * b_e / _denom  -  _y1*_y1 / _x0;
  _Z2_0 = _x0*_x0 - _W_m2 - _y1*_y1;
  if( _dbg > 219 ) cout<<"DBG220 lfa updated lepton with: "<<lv2str( lep )<<" -> x0:"<<_x0<<", y1: "<<_y1<<", x1_0: "<<_x1_0<<", Z2_0: "<<_Z2_0<<endl;

  static double bnums[3];
  bnums[0] = B.X();
  bnums[1] = B.Y();
  bnums[2] = B.Z();
  TMatrixD bXYZ( 3, 1, bnums );
  _R_T = rotation( 2, lep.Phi() ); // R_z^T
  _R_T *= rotation( 1, lep.Theta() - 0.5*TMath::Pi() ); // R_z^T R_y^T
  TMatrixD rotation_vect( _R_T, TMatrixD::kTransposeMult, bXYZ ); // R_y R_z
  double* rotation_array = rotation_vect.GetMatrixArray();
  double phi_x = - TMath::ATan2( rotation_array[2], rotation_array[1] );
  if( _dbg > 99 ) cout<<"DBG100 lfa x rotation vector is:"<<rotation_array[0]<<" "<<rotation_array[1]<<" "<<rotation_array[2]<<" -> phi_x:"<<phi_x<<endl;
  _R_T *= rotation( 0, - phi_x ); // R_z^T R_y^T R_x^T

  // set up _Nu's non-zero elements so that \vec{nu} = Nu \vec{t} for any \vec{t} (since only t's 3nd component is used, and its always 1).
  _Nu[0][2] = MEX;
  _Nu[1][2] = MEY;

  double iVarMET = TMath::Power( TMath::Max( 1., dnuPDF.GetHistogram()->GetRMS() ), -2 );
  _invFlatVar[0][0] = _invFlatVar[1][1] = iVarMET; // set up the chi^2 distance with the right order of magnitude (generalizes to rotated covariance matrix)
  if( _dbg > 209 ) cout<<"DBG210 lfa "<<dnuPDF.GetName()<<" --> iVarMET:"<<iVarMET<<endl;

  // (re)define fit parameter, so all fits start off on an equal footing
  _mini->SetPrintLevel( _minimizer_print_level );
  _mini->Clear();
  _mini->SetFunction( _functor );
  leptonic_fitter_algebraic_object = this; // set the function in the functor pointing back to this object. Doubtfull that all this redirection is needed...
  _mini->SetTolerance( _tolerance );
  bool OK = _mini->SetLimitedVariable( 0, "sB", 1.0, 0.4, 0.1, 6.0 );
  //bool OK = _mini->SetVariable( 0, "sB", 1.0, 0.4 );
  if( ! OK ) {cerr<<"minimizer (@lfa) failed to SetVariable."<<endl; return false;}

  // define 1 sigma in terms of the function
  _mini->SetErrorDef( 0.5 ); // since this is a likelihood fit

  // do the minimization
  OK = _mini->Minimize(); 
  if( _dbg > 19 && ( ! OK || _dbg > 59 ) ) cout<<"DBG INFO: initial fit @lfa returned OK: "<<OK<<", has status: "<<_mini->Status()<<endl;

  _converged = OK; // use status somehow? depends on fitter?

  // read parameters
  const double *xs = _mini->X();
  for( int ip = 0; ip < 1; ++ip ) _params[ ip ] = xs[ ip ];

  // return all intermediate results to the minimum, in particular, the discriminant
  calc_MLL( _params, true );
  TMatrixD nu_vec( _Emat, TMatrixD::kMult, _tvec );
  update_nu_and_decay_chain( nu_vec );
  if( _dbg > 203 ) cout<<"DBG204 lfa finalized _genN: "<<lv2str(_genN)<<", _W: "<<lv2str(_W)<<", & _t: "<<lv2str(_T)<<endl;

  _MLL = _mini->MinValue();
  return true;
} 
Exemplo n.º 24
0
void polGen(double rapdilepton_min = 1,
		double rapdilepton_max = 1,
		double pTdilepton_min = 1,
		double pTdilepton_max = 1,
		double mass_signal_peak  =  1,
		double mass_signal_sigma =  1,
		double n_sigmas_signal = 1,
		int n_events = 50000,
		double f_BG = 0.5,
		double lambda_theta_sig=1,
		double lambda_phi_sig=1,
		double lambda_thetaphi_sig=1,
		double lambda_theta_bkg=1,
		double lambda_phi_bkg=1,
		double lambda_thetaphi_bkg=1,
		int frameSig=1,//CS...1, HX...2, PX...3
		int frameBkg=1,//CS...1, HX...2, PX...3
		int nGen=1,
		Char_t *dirstruct = "ToyDirectory_Default"
){

	char frameSigName[200];
	if(frameSig==1)sprintf(frameSigName,"CS");
	if(frameSig==2)sprintf(frameSigName,"HX");
	if(frameSig==3)sprintf(frameSigName,"PX");
	char frameBkgName[200];
	if(frameBkg==1)sprintf(frameBkgName,"CS");
	if(frameBkg==2)sprintf(frameBkgName,"HX");
	if(frameBkg==3)sprintf(frameBkgName,"PX");


	if(frameSig==2) HX_is_natural_sig=true; if(frameSig==3) PX_is_natural_sig=true; //else CS is the natural frame by default
	if(frameBkg==2) HX_is_natural_bkg=true; if(frameBkg==3) PX_is_natural_bkg=true; //else CS is the natural frame by default

	cout<<"Number of Events to be generated ........... "<<n_events<<endl;
	cout<<"pT min ..................................... "<<pTdilepton_min<<endl;
	cout<<"pT max ..................................... "<<pTdilepton_max<<endl;
	cout<<"Rapidity min ............................... "<<rapdilepton_min<<endl;
	cout<<"Rapidity max ............................... "<<rapdilepton_max<<endl;
	cout<<"Background Fraction ........................ "<<f_BG<<endl;
	cout<<"Injected lambda_theta Signal ............... "<<lambda_theta_sig<<" , in the "<<frameSigName<<" frame"<<endl;
	cout<<"Injected lambda_phi Signal ................. "<<lambda_phi_sig<<" , in the "<<frameSigName<<" frame"<<endl;
	cout<<"Injected lambda_thetaphi Signal ............ "<<lambda_thetaphi_sig<<" , in the "<<frameSigName<<" frame"<<endl;
	cout<<"Injected lambda_theta Background............ "<<lambda_theta_bkg<<" , in the "<<frameBkgName<<" frame"<<endl;
	cout<<"Injected lambda_phi Background ............. "<<lambda_phi_bkg<<" , in the "<<frameBkgName<<" frame"<<endl;
	cout<<"Injected lambda_thetaphi Background ........ "<<lambda_thetaphi_bkg<<" , in the "<<frameBkgName<<" frame"<<endl;
	cout<<"Number of Generation ....................... "<<nGen<<endl;
	cout<<"Directory Structure of Output .............. "<<dirstruct<<endl;


	double mass_min = mass_signal_peak - n_sigmas_signal*mass_signal_sigma;
	double mass_max = mass_signal_peak + n_sigmas_signal*mass_signal_sigma;

	char outfilename [500];
	sprintf(outfilename,"%s/genData.root",dirstruct);

  gROOT->Reset();

  delete gRandom;
  gRandom = new TRandom3(0);

  TF1* pT_distr = new TF1("pT_distr",func_pT_gen,pTdilepton_min,pTdilepton_max,0);
  TF1* rap_distr = new TF1("rap_distr",func_rap_gen,rapdilepton_min,rapdilepton_max,0);

  TFile* hfileout = new TFile(outfilename, "RECREATE", "genData");
  TTree* genData = new TTree("genData","genData");

  // Structure of output ntuple

  TLorentzVector* lepP = new TLorentzVector(0.,0.,0.,0.);
  genData->Branch("lepP","TLorentzVector",&lepP);
  TLorentzVector* lepN = new TLorentzVector(0.,0.,0.,0.);
  genData->Branch("lepN","TLorentzVector",&lepN);

  double costh_CS;  genData->Branch("costh_CS",     &costh_CS,     "costh_CS/D");
  double phi_CS;    genData->Branch("phi_CS",       &phi_CS,       "phi_CS/D"  );
  double phith_CS;  genData->Branch("phith_CS",     &phith_CS,     "phith_CS/D");

  double costh_HX;  genData->Branch("costh_HX",     &costh_HX,     "costh_HX/D");
  double phi_HX;    genData->Branch("phi_HX",       &phi_HX,       "phi_HX/D"  );
  double phith_HX;  genData->Branch("phith_HX",     &phith_HX,     "phith_HX/D");

  double costh_PX;  genData->Branch("costh_PX",     &costh_PX,     "costh_PX/D");
  double phi_PX;    genData->Branch("phi_PX",       &phi_PX,       "phi_PX/D"  );
  double phith_PX;  genData->Branch("phith_PX",     &phith_PX,     "phith_PX/D");

  double cosalpha;  genData->Branch("cosalpha",     &cosalpha,     "cosalpha/D");

  double pT;        genData->Branch("pT",           &pT,           "pT/D"  );
  double rap;       genData->Branch("rap",          &rap,          "rap/D" );
  double mass;      genData->Branch("mass",         &mass,         "mass/D");

  double deltaHXCS; genData->Branch("deltaHXCS",    &deltaHXCS,    "deltaHXCS/D");

  int isBG;         genData->Branch("isBG",         &isBG,         "isBG/I");


  // extremes and binning of lambda_gen extraction histos
  const double l_min = -1;
  const double l_max =  1;
  const double l_step_1D = 0.02;


  TH1D* h_costh2_CS = new TH1D( "h_costh2_CS", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_cos2ph_CS = new TH1D( "h_cos2ph_CS", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_sin2thcosph_CS = new TH1D( "h_sin2thcosph_CS", "", int((l_max-l_min)/l_step_1D), l_min, l_max );

  TH1D* h_costh2_HX = new TH1D( "h_costh2_HX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_cos2ph_HX = new TH1D( "h_cos2ph_HX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_sin2thcosph_HX = new TH1D( "h_sin2thcosph_HX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );

  TH1D* h_costh2_PX = new TH1D( "h_costh2_PX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_cos2ph_PX = new TH1D( "h_cos2ph_PX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );
  TH1D* h_sin2thcosph_PX = new TH1D( "h_sin2thcosph_PX", "", int((l_max-l_min)/l_step_1D), l_min, l_max );

  double costh2;
  double cos2ph;
  double sin2thcosph;
  double Phi;

  const int n_step = n_events/5;
  int n_step_=1;


  cout << endl;
  cout << "Generating " << n_events << " dilepton events"<< endl;
  cout << "------------------------------------------------------------" << endl;
  cout << "Progress: "<<endl;



/////////////////// CYCLE OF EVENTS ////////////////////////
  for(int i_event = 1; i_event <= n_events; i_event++){

	    if (i_event%n_step == 0) {cout << n_step_*20 <<" % "<<endl; n_step_++;}

	    // generation of dilepton in the pp event in the pp CM

    // mass

    isBG = 0;

    if ( gRandom->Uniform() < f_BG ) { mass = gRandom->Uniform(mass_min, mass_max); isBG = 1; }
                                        else { do { mass = gRandom->Gaus(mass_signal_peak, mass_signal_sigma); }
                                               while ( mass < mass_min || mass > mass_max ); }

    // pT:

    pT = pT_distr->GetRandom();

    // pL:

    double rap_sign = gRandom->Uniform(-1., 1.); rap_sign /= TMath::Abs(rap_sign);
    rap = rap_distr->GetRandom() * rap_sign;
    double mT = sqrt( mass*mass + pT*pT );
    double pL1 = 0.5 *mT * exp(rap);
    double pL2 = - 0.5 *mT * exp(-rap);
    double pL = pL1 + pL2;

    // Phi:

    double Phi = 2. * gPI * gRandom->Uniform(1.);

    // 4-vector:

    TLorentzVector dilepton;
    dilepton.SetXYZM( pT * cos(Phi) , pT * sin(Phi), pL, mass );


    // generation of polarization (generic reference frame)

    double lambda_theta    = lambda_theta_sig;
    double lambda_phi      = lambda_phi_sig;
    double lambda_thetaphi = lambda_thetaphi_sig;
    bool HX_is_natural = HX_is_natural_sig;
    bool PX_is_natural = PX_is_natural_sig;

    if ( isBG ) {
       lambda_theta    = lambda_theta_bkg;
       lambda_phi      = lambda_phi_bkg;
       lambda_thetaphi = lambda_thetaphi_bkg;
       HX_is_natural = HX_is_natural_bkg;
       PX_is_natural = PX_is_natural_bkg;
    }


    double costhphidistr_max = 1. + TMath::Abs(lambda_phi) + TMath::Abs(lambda_thetaphi);
    double costhphidistr_rnd;
    double costhphidistr;
    double costh_gen;
    double sinth_gen;
    double phi_gen;

    if ( lambda_theta > 0. ) costhphidistr_max += lambda_theta;

    do { costh_gen = -1. + 2. * gRandom->Uniform(1.);
         phi_gen   = 2. * gPI * gRandom->Uniform(1.);
         sinth_gen = sqrt( 1. - costh_gen*costh_gen );
         costhphidistr_rnd = costhphidistr_max * gRandom->Uniform(1.);
         costhphidistr = 1. + lambda_theta    * costh_gen*costh_gen
                            + lambda_phi      * sinth_gen*sinth_gen * cos(2.*phi_gen)
                            + lambda_thetaphi * 2.* sinth_gen*costh_gen * cos(phi_gen);
       } while ( costhphidistr_rnd > costhphidistr );


    // lepton momentum in the dilepton rest frame:

    double p_lepton_DILEP = sqrt( 0.25*mass*mass - Mlepton*Mlepton );

    TLorentzVector lepton_DILEP;

    lepton_DILEP.SetXYZM( p_lepton_DILEP * sinth_gen * cos(phi_gen),
                          p_lepton_DILEP * sinth_gen * sin(phi_gen),
                          p_lepton_DILEP * costh_gen,
                          Mlepton );


    // reference directions to calculate angles:

    TVector3 lab_to_dilep = -dilepton.BoostVector();

    TLorentzVector beam1_DILEP = beam1_LAB;
    beam1_DILEP.Boost(lab_to_dilep);         // beam1 in the dilepton rest frame
    TLorentzVector beam2_DILEP = beam2_LAB;
    beam2_DILEP.Boost(lab_to_dilep);         // beam2 in the dilepton rest frame

    TVector3 beam1_direction     = beam1_DILEP.Vect().Unit();
    TVector3 beam2_direction     = beam2_DILEP.Vect().Unit();
    TVector3 dilep_direction     = dilepton.Vect().Unit();
    TVector3 beam1_beam2_bisect  = ( beam1_direction - beam2_direction ).Unit();


    deltaHXCS = dilep_direction.Angle(beam1_beam2_bisect) * 180./gPI;

    // all polarization frames have the same Y axis = the normal to the plane formed by
    // the directions of the colliding hadrons

    TVector3 Yaxis = ( beam1_direction.Cross( beam2_direction ) ).Unit();

    // flip of y axis with rapidity

    if ( rap < 0 ) Yaxis = - Yaxis;

    TVector3 perpendicular_to_beam = ( beam1_beam2_bisect.Cross( Yaxis ) ).Unit();


    // step 1: transform (rotation) lepton momentum components from generation frame
    // to the frame with x,y,z axes as in the laboratory

    TVector3 oldZaxis = beam1_beam2_bisect;
    if ( HX_is_natural ) oldZaxis = dilep_direction;
    if ( PX_is_natural ) oldZaxis = perpendicular_to_beam;

    TVector3 oldYaxis = Yaxis;
    TVector3 oldXaxis = oldYaxis.Cross(oldZaxis);

    TRotation rotation;
    rotation.RotateAxes(oldXaxis, oldYaxis, oldZaxis);
                     // transforms coordinates from the "old" frame to the "xyz" frame

    TLorentzVector lepton_DILEP_xyz = lepton_DILEP;

    lepton_DILEP_xyz.Transform(rotation);
                     // lepton_DILEP_xyz is the lepton in the dilepton rest frame
                     // wrt to the lab axes

    // lepton 4-vectors in the LAB frame:

    TVector3 dilep_to_lab = dilepton.BoostVector();

    *lepP = lepton_DILEP_xyz;
    lepP->Boost(dilep_to_lab);
    lepN->SetPxPyPzE(-lepton_DILEP_xyz.Px(),-lepton_DILEP_xyz.Py(),-lepton_DILEP_xyz.Pz(),lepton_DILEP_xyz.E());
    lepN->Boost(dilep_to_lab);


    /////////////////////////////////////////////////////////////////////
    // CS frame


    TVector3 newZaxis = beam1_beam2_bisect;
    TVector3 newYaxis = Yaxis;
    TVector3 newXaxis = newYaxis.Cross( newZaxis );

    rotation.SetToIdentity();
    rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
    rotation.Invert();  // transforms coordinates from the "xyz" frame to the new frame

    TVector3 lepton_DILEP_rotated = lepton_DILEP_xyz.Vect();

    lepton_DILEP_rotated.Transform(rotation);

    costh_CS = lepton_DILEP_rotated.CosTheta();

    phi_CS = lepton_DILEP_rotated.Phi() * 180. / gPI;

    if ( costh_CS < 0. ) phith_CS = phi_CS - 135.;
    if ( costh_CS > 0. ) phith_CS = phi_CS - 45.;

    if ( phith_CS < -180. ) phith_CS = 360. + phith_CS;


    /////////////////////////////////////////////////////////////////////
    // HELICITY frame

    newZaxis = dilep_direction;
    newYaxis = Yaxis;
    newXaxis = newYaxis.Cross( newZaxis );

    rotation.SetToIdentity();
    rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
    rotation.Invert();

    lepton_DILEP_rotated = lepton_DILEP_xyz.Vect();

    lepton_DILEP_rotated.Transform(rotation);

    costh_HX = lepton_DILEP_rotated.CosTheta();

    phi_HX = lepton_DILEP_rotated.Phi() * 180. / gPI;

    if ( costh_HX < 0. ) phith_HX = phi_HX - 135.;
    if ( costh_HX > 0. ) phith_HX = phi_HX - 45.;

    if ( phith_HX < -180. ) phith_HX = 360. + phith_HX;


    /////////////////////////////////////////////////////////////////////
    // PERPENDICULAR HELICITY frame

    newZaxis = perpendicular_to_beam;
    newYaxis = Yaxis;
    newXaxis = newYaxis.Cross( newZaxis );

    rotation.SetToIdentity();
    rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
    rotation.Invert();

    lepton_DILEP_rotated = lepton_DILEP_xyz.Vect();

    lepton_DILEP_rotated.Transform(rotation);

    costh_PX = lepton_DILEP_rotated.CosTheta();

    phi_PX = lepton_DILEP_rotated.Phi() * 180. / gPI;

    if ( costh_PX < 0. ) phith_PX = phi_PX - 135.;
    if ( costh_PX > 0. ) phith_PX = phi_PX - 45.;

    if ( phith_PX < -180. ) phith_PX = 360. + phith_PX;


    /////////////////////////////////////////////////////////////////////
    // invariant polarization angle

    cosalpha = sqrt( 1. - pow(costh_PX, 2.) ) * sin( lepton_DILEP_rotated.Phi() );



////// Filling Histograms of costh2, cos2ph and sin2thcosph for the extraction of the actual generated polarization

    if ( !isBG ){
		costh2=pow(costh_CS,2.);
	    Phi = phi_CS/180. * gPI ;
	    cos2ph = cos(2.*Phi);
	    sin2thcosph= sin(2.*acos(costh_CS))*cos(Phi);
	    h_costh2_CS->Fill( costh2 );
	    h_cos2ph_CS->Fill( cos2ph );
	    h_sin2thcosph_CS->Fill( sin2thcosph );

	    costh2=pow(costh_HX,2.);
	    Phi = phi_HX/180. * gPI ;
	    cos2ph = cos(2.*Phi);
	    sin2thcosph= sin(2.*acos(costh_HX))*cos(Phi);
	    h_costh2_HX->Fill( costh2 );
	    h_cos2ph_HX->Fill( cos2ph );
	    h_sin2thcosph_HX->Fill( sin2thcosph );

	    costh2=pow(costh_PX,2.);
	    Phi = phi_PX/180. * gPI ;
	    cos2ph = cos(2.*Phi);
	    sin2thcosph= sin(2.*acos(costh_PX))*cos(Phi);
	    h_costh2_PX->Fill( costh2 );
	    h_cos2ph_PX->Fill( cos2ph );
	    h_sin2thcosph_PX->Fill( sin2thcosph );
    }


//  filling of the ntuple:

    genData->Fill();


  } // end of external loop (generated events)

  cout << endl;


  double lamth_CS;
  double lamph_CS;
  double lamtp_CS;
  costh2=h_costh2_CS->GetMean();
  lamth_CS = (1. - 3. * costh2 ) / ( costh2 - 3./5. );
  cos2ph=h_cos2ph_CS->GetMean();
  lamph_CS = cos2ph * (3. + lamth_CS);
  sin2thcosph=h_sin2thcosph_CS->GetMean();
  lamtp_CS = sin2thcosph * 5./4. * (3. + lamth_CS);

  double lamth_HX;
  double lamph_HX;
  double lamtp_HX;
  costh2=h_costh2_HX->GetMean();
  lamth_HX = (1. - 3. * costh2 ) / ( costh2 - 3./5. );
  cos2ph=h_cos2ph_HX->GetMean();
  lamph_HX = cos2ph * (3. + lamth_HX);
  sin2thcosph=h_sin2thcosph_HX->GetMean();
  lamtp_HX = sin2thcosph * 5./4. * (3. + lamth_HX);

  double lamth_PX;
  double lamph_PX;
  double lamtp_PX;
  costh2=h_costh2_PX->GetMean();
  lamth_PX = (1. - 3. * costh2 ) / ( costh2 - 3./5. );
  cos2ph=h_cos2ph_PX->GetMean();
  lamph_PX = cos2ph * (3. + lamth_PX);
  sin2thcosph=h_sin2thcosph_PX->GetMean();
  lamtp_PX = sin2thcosph * 5./4. * (3. + lamth_PX);


  char resfilename[200];
  sprintf(resfilename,"%s/GenResults.root",dirstruct);
  TFile* GenResultFile = new TFile(resfilename, "RECREATE", "GenResultFile");

  TTree* GenResults = new TTree("GenResults","GenResults");
  GenResults->Branch("lthCS",         &lamth_CS,         "lthCS/D");
  GenResults->Branch("lphCS",         &lamph_CS,         "lphCS/D");
  GenResults->Branch("ltpCS",         &lamtp_CS,         "ltpCS/D");
  GenResults->Branch("lthHX",         &lamth_HX,         "lthHX/D");
  GenResults->Branch("lphHX",         &lamph_HX,         "lphHX/D");
  GenResults->Branch("ltpHX",         &lamtp_HX,         "ltpHX/D");
  GenResults->Branch("lthPX",         &lamth_PX,         "lthPX/D");
  GenResults->Branch("lphPX",         &lamph_PX,         "lphPX/D");
  GenResults->Branch("ltpPX",         &lamtp_PX,         "ltpPX/D");

  GenResults->Fill();


  GenResultFile->Write();
  GenResultFile->Close();

  hfileout->Write();
  hfileout->Close();

} // end of main
Exemplo n.º 25
0
double KinUtils::doElasticRecoil(const TLorentzVector &chi, TLorentzVector &recoil, TLorentzVector &recoil_chi, const int &procID) {

	TVector3 v0, v1, v2;
	TVector3 p0, pr, pchi;
	double E0, Er, Echi;
	double Tr_max; //this is the maximum recoil KINETIC energy for this incoming chi
	double P0, Pr, Pchi;
	double ctheta_r, stheta_r, phi_r, sigma;
	int ii;
	E0 = chi.E();
	P0 = chi.P();
	p0 = chi.Vect();

	/*1: extract the recoil total energy from the cross-section*/
	ii = 0;
	ii = (int) (E0 / (Ebeam / nFunctionsElastic));
	if (ii >= nFunctionsElastic) ii = nFunctionsElastic - 1; //should not happen!!!

	if (procID == Proc_Pelastic) {
		Tr_max = (2 * Mn * (E0 * E0 - Mchi * Mchi)) / (2 * E0 * Mn + Mn * Mn + Mchi * Mchi); //maximum energy transfer
		if (Tr_max < (Pthr + Pbinding)) return 0; //this event is not compatible with the threshold, it is useless to proceed further
	} else if (procID == Proc_Eelastic) {
		Tr_max = (2 * Me * (E0 * E0 - Mchi * Mchi)) / (2 * E0 * Me + Me * Me + Mchi * Mchi); //maximum energy transfer
		if (Tr_max < Ethr) {
			//cout<<"THR IS: "<<Ethr<<" "<<Tr_max<<" "<<E0<<endl;
			return 0; //this event is not compatible with the threshold, it is useless to proceed further
		}
	} else if (procID == Proc_Nuclelastic) {
		Tr_max = (2 * Mnucl * (E0 * E0 - Mchi * Mchi)) / (2 * E0 * Mnucl + Mnucl * Mnucl + Mchi * Mchi); //maximum energy transfer
		if (Tr_max < Nuclthr) {
			//cout<<"THR IS: "<<Ethr<<" "<<Tr_max<<" "<<E0<<endl;
			return 0; //this event is not compatible with the threshold, it is useless to proceed further
		}
	}
	if (procID == Proc_Pelastic) {
		Er = f_chipXsection[ii]->GetRandom(Pthr + Pbinding + Mn, Tr_max + Mn);
	} else if (procID == Proc_Eelastic) {
		Er = f_chieXsection[ii]->GetRandom(Ethr + Me, Tr_max + Me);
	} else if (procID == Proc_Nuclelastic) {
		Er = f_chinuclXsection[ii]->GetRandom(Nuclthr, Tr_max); //Here the variable is the KINETIC energy of the recoiling nucleus
		Er = Er + Mnucl;
	}
	/*1a: correct the proton energy for binding effects*/
	if (procID == Proc_Pelastic) {
		Er = Er - Pbinding; /*Effective binding energy correction*/
	}

	/*1b: compute x-section total . No time consuming, since integrals are cached!*/
	if (procID == Proc_Pelastic) {
		sigma = f_chipXsection[ii]->Integral(Pthr + Pbinding + Mn, Tr_max + Mn);
	} else if (procID == Proc_Eelastic) {
		sigma = f_chieXsection[ii]->Integral(Ethr + Me, Tr_max + Me);
	} else if (procID == Proc_Nuclelastic) {
		sigma = f_chinuclXsection[ii]->Integral(Nuclthr, Tr_max); //Has to be integrated in this range since the variable is the KINETIC energy here (and not the total as before)
	}

	/*2: compute recoil chi TOTAL energy*/
	if (procID == Proc_Pelastic) {
		Echi = E0 + Mn - Er;
	} else if (procID == Proc_Eelastic) {
		Echi = E0 + Me - Er;
	} else if (procID == Proc_Nuclelastic) {
		Echi = E0 + Mnucl - Er;
	}

	/*3: compute the momenta*/
	Pchi = sqrt(Echi * Echi - Mchi * Mchi);
	if (procID == Proc_Pelastic) {
		Pr = sqrt(Er * Er - Mn * Mn);
	} else if (procID == Proc_Eelastic) {
		Pr = sqrt(Er * Er - Me * Me);
	} else if (procID == Proc_Nuclelastic) {
		Pr = sqrt(Er * Er - Mnucl * Mnucl);
	}
	/*4: compute the angle of the recoil nucleon wrt the initial chi momentum direction*/
	if (procID == Proc_Pelastic) {
		ctheta_r = E0 * E0 - Echi * Echi + Er * Er - Mn * Mn;
		ctheta_r /= 2 * P0 * Pr;
	} else if (procID == Proc_Eelastic) {
		ctheta_r = E0 * E0 - Echi * Echi + Er * Er - Me * Me;
		ctheta_r /= 2 * P0 * Pr;
	} else if (procID == Proc_Nuclelastic) {
		ctheta_r = E0 * E0 - Echi * Echi + Er * Er - Mnucl * Mnucl;
		ctheta_r /= 2 * P0 * Pr;
	}
	if (ctheta_r > 1) ctheta_r = 1;
	if (ctheta_r < -1) ctheta_r = -1;
	stheta_r = sqrt(1 - ctheta_r * ctheta_r);
	/*5: The azimuthal angle (around the incoming chi momentum direction) is flat*/
	phi_r = Rand.Uniform(-PI, PI);

	/*6: Now set the 4-vectors*/
	/*6a: build an orthogonal coordinate system, with v0 along the initial chi momentum direction*/
	v0 = chi.Vect().Unit();
	v1 = v0.Orthogonal();
	v1 = v1.Unit();
	v2 = v0.Cross(v1); //v2 = v0 x v1

	/*write the 3-momenta*/
	pr = v0 * Pr * ctheta_r + v1 * Pr * stheta_r * sin(phi_r) + v2 * Pr * stheta_r * cos(phi_r);
	pchi = p0 - pr;

	/*6b:Set them */
	recoil.SetVect(pr);
	recoil.SetE(Er);
	recoil_chi.SetVect(pchi);
	recoil_chi.SetE(Echi);

	return sigma;

}
Exemplo n.º 26
0
void fill(int const kf, TLorentzVector* b, double weight, TLorentzVector const& p1Mom, TLorentzVector const& p2Mom, TVector3 v00)
{
   int const centrality = floor(nCent * gRandom->Rndm());

   TVector3 const vertex = getVertex(centrality);
   // smear primary vertex
   // float const sigmaVertex = sigmaVertexCent[cent];
   // TVector3 const vertex(gRandom->Gaus(0, sigmaVertex), gRandom->Gaus(0, sigmaVertex), gRandom->Gaus(0, sigmaVertex));

   v00 += vertex;

   // smear momentum
   TLorentzVector const p1RMom = smearMom(0, p1Mom);
   TLorentzVector const p2RMom = smearMom(0, p2Mom);

   // smear position
   TVector3 const p1RPos = smearPosData(0, vertex.z(), centrality, p1RMom, v00);
   TVector3 const p2RPos = smearPosData(0, vertex.z(), centrality, p2RMom, v00);
   // TVector3 const kRPos = smearPos(kMom, kRMom, v00);
   // TVector3 const pRPos = smearPos(pMom, pRMom, v00);

   // reconstruct
   TLorentzVector const rMom = p1RMom + p2RMom;
   float const p1Dca = dca(p1Mom.Vect(), v00, vertex);
   float const p2Dca = dca(p2Mom.Vect(), v00, vertex);
   float const p1RDca = dca(p1RMom.Vect(), p1RPos, vertex);
   float const p2RDca = dca(p2RMom.Vect(), p2RPos, vertex);

   TVector3 v0;
   float const dca12 = dca1To2(p1RMom.Vect(), p1RPos, p2RMom.Vect(), p2RPos, v0);
   float const decayLength = (v0 - vertex).Mag();
   float const dcaD0ToPv = dca(rMom.Vect(), v0, vertex);
   float const cosTheta = (v0 - vertex).Unit().Dot(rMom.Vect().Unit());
   float const angle12 = p1RMom.Vect().Angle(p2RMom.Vect());

   TLorentzVector p1RMomRest = p1RMom;
   TVector3 beta;
   beta.SetMagThetaPhi(rMom.Beta(), rMom.Theta(), rMom.Phi());
   p1RMomRest.Boost(-beta);
   float const cosThetaStar = rMom.Vect().Unit().Dot(p1RMomRest.Vect().Unit());

   // save
   float arr[100];
   int iArr = 0;
   arr[iArr++] = centrality;
   arr[iArr++] = vertex.X();
   arr[iArr++] = vertex.Y();
   arr[iArr++] = vertex.Z();

   arr[iArr++] = kf;
   arr[iArr++] = b->M();
   arr[iArr++] = b->Perp();
   arr[iArr++] = b->PseudoRapidity();
   arr[iArr++] = b->Rapidity();
   arr[iArr++] = b->Phi();
   arr[iArr++] = v00.X();
   arr[iArr++] = v00.Y();
   arr[iArr++] = v00.Z();

   arr[iArr++] = rMom.M();
   arr[iArr++] = rMom.Perp();
   arr[iArr++] = rMom.PseudoRapidity();
   arr[iArr++] = rMom.Rapidity();
   arr[iArr++] = rMom.Phi();
   arr[iArr++] = v0.X();
   arr[iArr++] = v0.Y();
   arr[iArr++] = v0.Z();

   arr[iArr++] = dca12;
   arr[iArr++] = decayLength;
   arr[iArr++] = dcaD0ToPv;
   arr[iArr++] = cosTheta;
   arr[iArr++] = angle12;
   arr[iArr++] = cosThetaStar;

   arr[iArr++] = p1Mom.M();
   arr[iArr++] = p1Mom.Perp();
   arr[iArr++] = p1Mom.PseudoRapidity();
   arr[iArr++] = p1Mom.Rapidity();
   arr[iArr++] = p1Mom.Phi();
   arr[iArr++] = p1Dca;

   arr[iArr++] = p1RMom.M();
   arr[iArr++] = p1RMom.Perp();
   arr[iArr++] = p1RMom.PseudoRapidity();
   arr[iArr++] = p1RMom.Rapidity();
   arr[iArr++] = p1RMom.Phi();
   arr[iArr++] = p1RPos.X();
   arr[iArr++] = p1RPos.Y();
   arr[iArr++] = p1RPos.Z();
   arr[iArr++] = p1RDca;
   arr[iArr++] = tpcReconstructed(0,1,centrality,p1RMom);

   arr[iArr++] = p2Mom.M();
   arr[iArr++] = p2Mom.Perp();
   arr[iArr++] = p2Mom.PseudoRapidity();
   arr[iArr++] = p2Mom.Rapidity();
   arr[iArr++] = p2Mom.Phi();
   arr[iArr++] = p2Dca;

   arr[iArr++] = p2RMom.M();
   arr[iArr++] = p2RMom.Perp();
   arr[iArr++] = p2RMom.PseudoRapidity();
   arr[iArr++] = p2RMom.Rapidity();
   arr[iArr++] = p2RMom.Phi();
   arr[iArr++] = p2RPos.X();
   arr[iArr++] = p2RPos.Y();
   arr[iArr++] = p2RPos.Z();
   arr[iArr++] = p2RDca;
   arr[iArr++] = tpcReconstructed(0,-1,centrality,p2RMom);

   arr[iArr++] = matchHft(1, vertex.z(), centrality, p1RMom);
   arr[iArr++] = matchHft(0, vertex.z(), centrality, p2RMom);

   nt->Fill(arr);
}
Exemplo n.º 27
0
void test_allEvt::ComputeAllVarPietro(TLorentzVector lepP,TLorentzVector lepN){
  // Preliminary definitions:

  const double pbeam = 7000.; // exact number irrelevant as long as pbeam >> Mprot
  const double Mprot = 0.9382720;
  const double Mlepton = 0.10566;  // (muon)
  const double gPI = TMath::Pi();
  const double Ebeam = sqrt( pbeam*pbeam + Mprot*Mprot );
  TLorentzVector beam1_LAB( 0., 0., pbeam, Ebeam );
  TLorentzVector beam2_LAB( 0., 0., -pbeam, Ebeam );


  // assuming that we have a TTree "data" (data ntuple) containing the 4-vectors lepP and lepN of lepton and antilepton

  // event by event (in some loop over dilepton events in the data ntuple):


  // data->GetEvent( i_event );

  // double lepP_pT  = lepP->Pt();
  // double lepN_pT  = lepN->Pt();

  // double lepP_eta = lepP->PseudoRapidity();
  // double lepN_eta = lepN->PseudoRapidity();

  // dilepton 4-vector:

  TLorentzVector dilepton = lepP + lepN;
  double pT   = dilepton.Pt();
  double rap  = dilepton.Rapidity();
  double mass = dilepton.M();

  // calculation of decay angles in three polarization frames

  // reference directions to calculate angles:

  TVector3 lab_to_dilep = -dilepton.BoostVector();

  TLorentzVector beam1_DILEP = beam1_LAB;
  beam1_DILEP.Boost(lab_to_dilep);         // beam1 in the dilepton rest frame
  TLorentzVector beam2_DILEP = beam2_LAB;
  beam2_DILEP.Boost(lab_to_dilep);         // beam2 in the dilepton rest frame

  TVector3 beam1_direction     = beam1_DILEP.Vect().Unit();
  TVector3 beam2_direction     = beam2_DILEP.Vect().Unit();
  TVector3 dilep_direction     = dilepton.Vect().Unit();
  TVector3 beam1_beam2_bisect  = ( beam1_direction - beam2_direction ).Unit();


  // all polarization frames have the same Y axis = the normal to the plane formed by
  // the directions of the colliding hadrons:

  TVector3 Yaxis = ( beam1_direction.Cross( beam2_direction ) ).Unit();

  // flip of y axis with rapidity:

  if ( rap < 0. ) Yaxis = - Yaxis;

  TVector3 perpendicular_to_beam = ( beam1_beam2_bisect.Cross( Yaxis ) ).Unit();


  // positive lepton in the dilepton rest frame:

  TLorentzVector lepton_DILEP = lepP;
  lepton_DILEP.Boost(lab_to_dilep);

  // CS frame angles:

  TVector3 newZaxis = beam1_beam2_bisect;
  TVector3 newYaxis = Yaxis;
  TVector3 newXaxis = newYaxis.Cross( newZaxis );

  TRotation rotation;
  rotation.SetToIdentity();
  rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
  rotation.Invert();  // transforms coordinates from the "xyz" frame to the new frame
  TVector3 lepton_DILEP_rotated = lepton_DILEP.Vect();
  lepton_DILEP_rotated.Transform(rotation);

  /* double */ costh_CS = lepton_DILEP_rotated.CosTheta();
  /* double */ phi_CS   = lepton_DILEP_rotated.Phi() * 180. / gPI;
  double phith_CS;
  if ( costh_CS < 0. ) phith_CS = phi_CS - 135.;
  if ( costh_CS > 0. ) phith_CS = phi_CS - 45.;
  if ( phith_CS < -180. ) phith_CS = 360. + phith_CS;
  phi_CS   = phi_CS / 180. * gPI;


  // HELICITY frame angles:

  newZaxis = dilep_direction;
  newYaxis = Yaxis;
  newXaxis = newYaxis.Cross( newZaxis );

  rotation.SetToIdentity();
  rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
  rotation.Invert();
  lepton_DILEP_rotated = lepton_DILEP.Vect();
  lepton_DILEP_rotated.Transform(rotation);

  /* double */ costh_HX = lepton_DILEP_rotated.CosTheta();
  /* double */ phi_HX   = lepton_DILEP_rotated.Phi() * 180. / gPI;
  double phith_HX;
  if ( costh_HX < 0. ) phith_HX = phi_HX - 135.;
  if ( costh_HX > 0. ) phith_HX = phi_HX - 45.;
  if ( phith_HX < -180. ) phith_HX = 360. + phith_HX;
  phi_HX   = phi_HX / 180. * gPI;


  // // PERPENDICULAR HELICITY frame angles:

  // newZaxis = perpendicular_to_beam;
  // newYaxis = Yaxis;
  // newXaxis = newYaxis.Cross( newZaxis );

  // rotation.SetToIdentity();
  // rotation.RotateAxes( newXaxis, newYaxis, newZaxis );
  // rotation.Invert();
  // lepton_DILEP_rotated = lepton_DILEP.Vect();
  // lepton_DILEP_rotated.Transform(rotation);

  // double costh_PX = lepton_DILEP_rotated.CosTheta();
  // double phi_PX   = lepton_DILEP_rotated.Phi() * 180. / gPI;
  // double phith_PX;
  // if ( costh_PX < 0. ) phith_PX = phi_PX - 135.;
  // if ( costh_PX > 0. ) phith_PX = phi_PX - 45.;
  // if ( phith_PX < -180. ) phith_PX = 360. + phith_PX;
  // phi_PX   = phi_PX / 180. * gPI;



}