Beispiel #1
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 FillK2pi(superCmpEvent* sevt, Hist_dir* dir, TLorentzVector pion,TLorentzVector el1,TLorentzVector el2,TLorentzVector gamma){

    TLorentzVector Pi0d_Momentum;
    TLorentzVector Kaon_Momentum;
    //int Kch =;
    Pi0d_Momentum = el1 + el2 + gamma;
    Kaon_Momentum = pion + el1 + el2 + gamma;
    dir->fh_Ntracks->Fill(sevt->Ntrack);
    dir->fh_Nclusters->Fill(sevt->Ncluster);
    dir->fh_Nvtx->Fill(sevt->Nvtx);

    dir->fh_gamma_momentum ->Fill(gamma.P());
    dir->fh_pi_momentum    ->Fill(pion.P());
    dir->fh_el1_momentum   ->Fill(el1.P());
    dir->fh_el2_momentum   ->Fill(el2.P());
    dir->fh_k2pi0d_P       ->Fill(Kaon_Momentum.P());
    dir->fh_k2pi0d_Pt      ->Fill(Kaon_Momentum.Pt());
    dir->fh_k2pi0d_M       ->Fill(Kaon_Momentum.M());
    dir->fh_pi0d_P         ->Fill(Pi0d_Momentum.P());
    dir->fh_pi0d_Pt        ->Fill(Pi0d_Momentum.Pt());
    dir->fh_pi0d_M         ->Fill(Pi0d_Momentum.M());

    //dir->fh_muee_M->Fill(Pi0d_Momentum.M());
    //dir->fh_Muee_M_3pi_assumption->Fill(Kaon_Momentum.M());
    //dir->fh_muee_Pt->Fill(Kaon_Momentum.Pt());
    //dir->fh_muee_P->Fill(Kaon_Momentum.P());
}
Beispiel #3
0
//___________________[ TAUS RECONSTRUCTION AND INVMASS CALCULATION ]_________________________________________
double SUSYLooperHistsSoftBase::DiTau_InvMass( TLorentzVector Met, TLorentzVector L1, TLorentzVector L2, float Al ) {

    TLorentzVector T1,T2;    double DiTauMass;    TMatrixF A(2,2);    TVectorF C(2),X(2);
    A(0,0)=L1.Px();
    A(0,1)=L2.Px();
    A(1,0)=L1.Py();
    A(1,1)=L2.Py();
    A=A.Invert();
    C(0)=(Met+L1+L2).Px();
    C(1)=(Met+L1+L2).Py();
    X=A*C;
    //double X0i=X(0), X1i=X(1);
    if ( (X(0)<0.||X(1)<0.) && Al>0. ) {//---[MET Alignement subsection]--------------------------------------------------------------------------------------------
        if      ( fabs(L1.DeltaPhi(Met))>Al && fabs(L2.DeltaPhi(Met))>Al                                                  ) {}//{DO NOTHING just normaly a non-Z event!}
        else if ( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))>Al                                                  ) Met.SetPtEtaPhiM(Met.Pt(),0,L1.Phi(),0);
        else if ( fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))>Al                                                  ) Met.SetPtEtaPhiM(Met.Pt(),0,L2.Phi(),0);
        else if ( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))<fabs(L2.DeltaPhi(Met)) ) Met.SetPtEtaPhiM(Met.Pt(),0,L1.Phi(),0);
        else if ( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))>fabs(L2.DeltaPhi(Met)) ) Met.SetPtEtaPhiM(Met.Pt(),0,L2.Phi(),0);
    }//-------------------------------------------------------------------------------------------------------------------------------------------------------------
    C(0)=(Met+L1+L2).Px();
    C(1)=(Met+L1+L2).Py();
    X=A*C;
    T1.SetPxPyPzE( L1.Px()*X(0), L1.Py()*X(0), L1.Pz()*X(0), sqrt( 3.1571 +L1.P()*L1.P()*X(0)*X(0) ) );
    T2.SetPxPyPzE( L2.Px()*X(1), L2.Py()*X(1), L2.Pz()*X(1), sqrt( 3.1571 +L2.P()*L2.P()*X(1)*X(1) ) );
    if (  X(0)>0.  &&  X(1)>0.   )   DiTauMass=(T1+T2).M();
    //if (  (X(0)>0. && 0.<X(1)&&X(1)<1.)  ||  (X(1)>0. && 0.<X(0)&&X(0)<1.)  )  DiTauMass=(T1+T2).M(); // B
    //if (  (X(0)>1.&& X(1)<0.) || (X(1)>1.&& X(0)<0.)    )  DiTauMass=(T1+T2).M(); // C
    //if (  X(0)<0.  &&  X(1)<0.   )  DiTauMass=(T1+T2).M(); //  D    
    else DiTauMass=-(T1+T2).M();
    return DiTauMass;
}//-----------------------------------------------------------------------------------------------------------
Beispiel #4
0
double SUSYLooperHists::DiTau_InvMass( TLorentzVector Met, TLorentzVector L1, TLorentzVector L2, float Al ){   
  TLorentzVector T1,T2;
  double DiTauMass; 
  TMatrixF A(2,2); 
  TVectorF C(2),X(2); 
  A(0,0)=L1.Px();
  A(0,1)=L2.Px();
  A(1,0)=L1.Py();
  A(1,1)=L2.Py();
  A=A.Invert();
  C(0)=(Met+L1+L2).Px();
  C(1)=(Met+L1+L2).Py();
  X=A*C;// double X0i=X(0), X1i=X(1);
  //---------------[ MET ReAlignement subsection ]------------------------------
  if(X(0)<0||X(1)<0){ 
    if     ( fabs(L1.DeltaPhi(Met))>Al && fabs(L2.DeltaPhi(Met))>Al                                                  ) {/*DO NOTHING just normaly a non-Z event!*/}
    else if( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))>Al                                                  ) Met.SetPtEtaPhiM(Met.Pt(),0,L1.Phi(),0);
    else if( fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))>Al                                                  ) Met.SetPtEtaPhiM(Met.Pt(),0,L2.Phi(),0);
    else if( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))<fabs(L2.DeltaPhi(Met)) ) Met.SetPtEtaPhiM(Met.Pt(),0,L1.Phi(),0);
    else if( fabs(L1.DeltaPhi(Met))<Al && fabs(L2.DeltaPhi(Met))<Al && fabs(L1.DeltaPhi(Met))>fabs(L2.DeltaPhi(Met)) ) Met.SetPtEtaPhiM(Met.Pt(),0,L2.Phi(),0);
  }//---------------------------------------------------------------------------
  C(0)=(Met+L1+L2).Px(); C(1)=(Met+L1+L2).Py(); X=A*C;
  T1.SetPxPyPzE( L1.Px()*X(0), L1.Py()*X(0), L1.Pz()*X(0), sqrt( 3.1571 +L1.P()*L1.P()*X(0)*X(0) ) );
  T2.SetPxPyPzE( L2.Px()*X(1), L2.Py()*X(1), L2.Pz()*X(1), sqrt( 3.1571 +L2.P()*L2.P()*X(1)*X(1) ) );
  if( X(0)>0 && X(1)>0 ) DiTauMass=(T1+T2).M();  else DiTauMass=-(T1+T2).M();  return DiTauMass;
  //if((X(0)!=X0i||X(1)!=X1i))std::cout<<X(0)<<" "<<X(1)<<" <--"<<X0i<<" "<<X1i<<" RMETal.phi="<<(T1+T2-L1-L2).Phi()<<" RMETal.eta"<<(T1+T2-L1-L2).Eta()<<" MZ="<<DiTauMass<<endl; 
}
Beispiel #5
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);
  
}
Beispiel #6
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;
}
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());
}
Beispiel #8
0
void swaps::Loop()
{
	gROOT->ProcessLine(".x /home/gcowan/lhcb/lhcbStyle.C");
	if (fChain == 0) return;

	Long64_t nentries = fChain->GetEntriesFast();

	TH1D * mKK  = new TH1D("mKK", "mKK", 100, 0.99, 1.050);
	TH1D * mKpi = new TH1D("mKpi", "mKpi", 100, 0.826, 0.966);
	TH1D * mKp  = new TH1D("mKp", "mKp", 50, 1.45, 1.55);
	TH1D * massHisto  = new TH1D("mJpsiKK_DTF", "mJpsiKK_DTF", 100, 5.20, 5.55);
	TH1D * mBs  = new TH1D("mJpsiKK", "mJpsiKK", 100, 5.20, 5.55);
	TH1D * mBsVeto = new TH1D("mJpsiKKveto", "mJpsiKKveto", 100, 5.20, 5.55);
	//TH1D * mBsKpi = new TH1D("upper_Bs_sideband", "mJpsiKpi", 40, 5.21, 5.41);
	//TH1D * mBspiK = new TH1D("lower_Bs_sideband", "mJpsipiK", 40, 5.04, 5.24);
	TH1D * mBsKpi = new TH1D("upper_Bs_sideband", "mJpsiKpi", 40, 5.51, 5.71);
	TH1D * mBspiK = new TH1D("lower_Bs_sideband", "mJpsipiK", 40, 5.34, 5.54);
	TH1D * mJpsi_ = new TH1D("mJpsi", "mJpsi", 100, 3.03, 3.15);
	TH1D * mJpsi_constr = new TH1D("mJpsi_constr", "mJpsi", 100, 3.03, 3.15);
	
	Long64_t nbytes = 0, nb = 0;

	TFile * file = TFile::Open("reflection_upper_sideband.root", "RECREATE");
	TNtuple * tuple = new TNtuple("DecayTree","DecayTree", "mass");

	for (Long64_t jentry=0; jentry<nentries;jentry++) {
	//for (Long64_t jentry=0; jentry<1000;jentry++) {
		Long64_t ientry = LoadTree(jentry);
		if (ientry < 0) break;
		nb = fChain->GetEntry(jentry);   nbytes += nb;

		if ( !(sel_cleantail==1&&sel==1&&(triggerDecisionUnbiased==1||triggerDecisionBiasedExcl==1)&&time>.3&&time<14&&sigmat>0&&sigmat<0.12
//			&&(Kplus_pidK-Kplus_pidp)>-5
//			&&(Kminus_pidK-Kminus_pidp)>-5
		   )
			) continue;


		//double mpi = 139.57018;
		double mK = 493.68;
		double mmu = 105.658;
		double mJpsi = 3096.916;
		double mpi = 938.27;
		TLorentzVector Kplus(Kplus_PX, Kplus_PY, Kplus_PZ, sqrt(Kplus_PX*Kplus_PX+Kplus_PY*Kplus_PY+Kplus_PZ*Kplus_PZ + mK*mK));
		TLorentzVector Kminus(Kminus_PX, Kminus_PY, Kminus_PZ, sqrt(Kminus_PX*Kminus_PX+Kminus_PY*Kminus_PY+Kminus_PZ*Kminus_PZ + mK*mK));
		TLorentzVector KplusWrong(Kplus_PX, Kplus_PY, Kplus_PZ, sqrt(Kplus_PX*Kplus_PX+Kplus_PY*Kplus_PY+Kplus_PZ*Kplus_PZ + mpi*mpi));
		TLorentzVector KminusWrong(Kminus_PX, Kminus_PY, Kminus_PZ, sqrt(Kminus_PX*Kminus_PX+Kminus_PY*Kminus_PY+Kminus_PZ*Kminus_PZ + mpi*mpi));
		TLorentzVector muplus(muplus_PX, muplus_PY, muplus_PZ, sqrt(muplus_P*muplus_P + mmu*mmu));
		TLorentzVector muminus(muminus_PX, muminus_PY, muminus_PZ, sqrt(muminus_P*muminus_P + mmu*mmu));
		TLorentzVector Jpsi = muplus + muminus;
		TLorentzVector Jpsi_constr(muminus_PX+muplus_PX, muminus_PY+muplus_PY, muminus_PZ+muplus_PZ, sqrt(Jpsi.P()*Jpsi.P() + mJpsi*mJpsi));
		
		TLorentzVector KK = Kplus + Kminus;
		TLorentzVector Kpi = Kplus + KminusWrong;
		TLorentzVector piK = KplusWrong + Kminus;
		TLorentzVector B = Jpsi_constr + KK;
		TLorentzVector BKpi = Jpsi_constr + Kpi;
		TLorentzVector BpiK = Jpsi_constr + piK;
		//if ( ((BpiK.M() > 5600 && BpiK.M() < 5640) || (BKpi.M() > 5600 && BKpi.M() < 5640)) ) mBsVeto->Fill(mass/1000.); 
		//if ( ( Kpi.M() > 1490 && Kpi.M() < 1550 ) || ( piK.M() > 1490 && piK.M() < 1550 ) ) continue;//mBsVeto->Fill(mass/1000.); 
		mKK->Fill(KK.M()/1000.);
		mKp->Fill(Kpi.M()/1000.);
		mKp->Fill(piK.M()/1000.);
		mBs->Fill(B.M()/1000.);
		massHisto->Fill(mass/1000.);
		mJpsi_->Fill(Jpsi.M()/1000.);
		mJpsi_constr->Fill(Jpsi_constr.M()/1000.);
		if (mass > 5420) mBsKpi->Fill(BKpi.M()/1000.);
		if (mass > 5420) mBsKpi->Fill(BpiK.M()/1000.);
		if (mass < 5330) mBspiK->Fill(BKpi.M()/1000.);
		if (mass < 5330) mBspiK->Fill(BpiK.M()/1000.);
		if (mass > 5400) tuple->Fill(BKpi.M());
		if (mass > 5400) tuple->Fill(BpiK.M());
	}

	tuple->Write();
	file->Close();

	std::cout << "Number of B candidates " << mBs->GetEntries() << std::endl;
	std::cout << "Number of B candidates after Lambda_b veto" << mBsVeto->GetEntries() << std::endl;

	gROOT->SetStyle("Plain");
	
	TCanvas * c = new TCanvas("c","c",1600,1200);
	c->Divide(3,2);
	c->cd(1);
	mKK->Draw();
	mKK->SetTitle("");
	mKK->GetXaxis()->SetTitle("m(KK) [GeV/c^{2}]");
	c->cd(2);
	mJpsi_->Draw();
	mJpsi_->SetTitle("");
	mJpsi_->GetXaxis()->SetTitle("m(#mu#mu) [GeV/c^{2}]");
	c->cd(3);
	//mKp->Draw();
	mKp->SetTitle("");
	mKp->GetXaxis()->SetTitle("m(Kp) [GeV/c^{2}]");
	c->cd(4);
	massHisto->Draw();
	//massHisto->SetMaximum(1500);
	mBs->SetLineColor(kRed);
	mBs->Draw("same");
	mBsVeto->SetLineColor(kOrange);
	mBsVeto->Draw("same");
	massHisto->SetTitle("");
	massHisto->GetXaxis()->SetTitle("DTF m(J/#psi K^{+}K^{-}) [GeV/c^{2}]");
	c->cd(5);
	mBspiK->Draw();
	mBspiK->SetTitle("");
	//mBspiK->GetXaxis()->SetTitle("m(J/#psi K#pi) [GeV/c^{2}]");
	mBspiK->GetXaxis()->SetTitle("m(J/#psi Kp) [GeV/c^{2}]");
	c->cd(6);
	mBsKpi->Draw();
	mBsKpi->SetTitle("");
	//mBsKpi->GetXaxis()->SetTitle("m(J/#psi K#pi) [GeV/c^{2}]");
	mBsKpi->GetXaxis()->SetTitle("m(J/#psi Kp) [GeV/c^{2}]");
	c->SaveAs("plots_swaps.pdf");
}
Beispiel #9
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;
}
Beispiel #10
0
void Bd2JpsiKst_reflections::Loop()
{
	gROOT->ProcessLine(".x /Users/gcowan/lhcb/lhcbStyle.C");
	if (fChain == 0) return;

	Long64_t nentries = fChain->GetEntriesFast();

	//TH1D * mKK  = new TH1D("mKK", "mKK", 100, 0.99, 1.050);
	TH1D * mKK  = new TH1D("mKK", "mKK", 100, 1.45, 1.55);
	//TH1D * mKK  = new TH1D("mKK", "mKK", 100, 0.4, 0.6);
	TH1D * mKpi = new TH1D("mKpi", "mKpi", 100, 0.826, 0.966);
	TH1D * massHisto  = new TH1D("mBd_DTF", "mBd_DTF", 100, 5.15, 5.4);
	TH1D * mBd  = new TH1D("mBd", "mBd", 100, 5.15, 5.4);
	TH1D * mBs  = new TH1D("mBs", "mBs", 100, 5.20, 5.55);
	//TH1D * mB_lower = new TH1D("lower_sideband", "lower_sideband", 100, 5.15, 5.4);
	//TH1D * mB_upper = new TH1D("upper_sideband", "upper_sideband", 100, 5.15, 5.4);
	//TH1D * mB_lower = new TH1D("lower_sideband", "lower_sideband", 60, 5.3, 5.45); // for looking at Bs -> JpsiKK where K -> pi misid
	//TH1D * mB_upper = new TH1D("upper_sideband", "upper_sideband", 60, 5.3, 5.45);// for looking at Bs -> JpsiKK where K -> pi misid
	TH1D * mB_lower = new TH1D("lower_sideband", "lower_sideband", 40, 5.55, 5.7);
	TH1D * mB_upper = new TH1D("upper_sideband", "upper_sideband", 40, 5.55, 5.7);
	TH1D * mJpsi_ = new TH1D("mJpsi", "mJpsi", 100, 3.03, 3.15);
	TH1D * mJpsi_constr = new TH1D("mJpsi_constr", "mJpsi", 100, 3.03, 3.15);
	
	Long64_t nbytes = 0, nb = 0;

	TFile * file = TFile::Open("reflection_upper_sideband.root", "RECREATE");
	TNtuple * tuple = new TNtuple("DecayTree","DecayTree", "mass");

	for (Long64_t jentry=0; jentry<nentries;jentry++) {
	//for (Long64_t jentry=0; jentry<1000;jentry++) {
		Long64_t ientry = LoadTree(jentry);
		if (ientry < 0) break;
		nb = fChain->GetEntry(jentry);   nbytes += nb;

		double mpi = 139.57018;
		double mK = 493.68;
		double mmu = 105.658;
		double mJpsi = 3096.916;
		double mp = 938.27;
		TLorentzVector Kplus(K1_Px, K1_Py, K1_Pz, sqrt(K1_Px*K1_Px+K1_Py*K1_Py+K1_Pz*K1_Pz + mK*mK));
		TLorentzVector Piminus(Pi1_Px, Pi1_Py, Pi1_Pz, sqrt(Pi1_Px*Pi1_Px+Pi1_Py*Pi1_Py+Pi1_Pz*Pi1_Pz + mpi*mpi));
		TLorentzVector KplusWrong(K1_Px, K1_Py, K1_Pz, sqrt(K1_Px*K1_Px+K1_Py*K1_Py+K1_Pz*K1_Pz + mpi*mpi));
		//TLorentzVector PiminusWrong(Pi1_Px, Pi1_Py, Pi1_Pz, sqrt(Pi1_Px*Pi1_Px+Pi1_Py*Pi1_Py+Pi1_Pz*Pi1_Pz + mK*mK));
		TLorentzVector PiminusWrong(Pi1_Px, Pi1_Py, Pi1_Pz, sqrt(Pi1_Px*Pi1_Px+Pi1_Py*Pi1_Py+Pi1_Pz*Pi1_Pz + mp*mp));
		TLorentzVector muplus(Mu1_Px, Mu1_Py, Mu1_Pz, sqrt(Mu1_P*Mu1_P + mmu*mmu));
		TLorentzVector muminus(Mu2_Px, Mu2_Py, Mu2_Pz, sqrt(Mu2_P*Mu2_P + mmu*mmu));
		TLorentzVector Jpsi = muplus + muminus;
		TLorentzVector Jpsi_constr(Mu2_Px+Mu1_Px, Mu2_Py+Mu1_Py, Mu2_Pz+Mu1_Pz, sqrt(Jpsi.P()*Jpsi.P() + mJpsi*mJpsi));
		
		TLorentzVector KK = Kplus + PiminusWrong; // testing Bs -> JpsiKK hypothesis
		//TLorentzVector KK = Piminus + KplusWrong; // testing Bd -> Jpsi pipi hypothesis
		TLorentzVector Kpi = Kplus + Piminus;
		TLorentzVector B = Jpsi_constr + Kpi;
		TLorentzVector BKK = Jpsi_constr + KK;
		
		mKK->Fill(KK.M()/1000.);
		mKpi->Fill(Kpi.M()/1000.);
		mBd->Fill(B.M()/1000.);
		massHisto->Fill(Bd_M/1000.);
		mJpsi_->Fill(Jpsi.M()/1000.);
		mJpsi_constr->Fill(Jpsi_constr.M()/1000.);
		if (Bd_M > 5320) mB_upper->Fill(BKK.M()/1000.);
		if (Bd_M < 5230) mB_lower->Fill(BKK.M()/1000.);
		if (Bd_M > 5320) tuple->Fill(BKK.M());
	}

	tuple->Write();
	file->Close();

	std::cout << "Number of B candidates " << mBs->GetEntries() << std::endl;

	TCanvas * c = new TCanvas("c","c",1600,1200);
	c->SetBottomMargin(0);
	c->Divide(3,2, 0.01, 0.01);
	c->cd(1);
	mKK->Draw();
	mKK->SetTitle("");
	//mKK->GetXaxis()->SetTitle("m(KK) [GeV/c^{2}]");
	mKK->GetXaxis()->SetTitle("m(Kp) [GeV/c^{2}]");
	c->cd(2);
	mJpsi_->Draw();
	mJpsi_->SetTitle("");
	mJpsi_->GetXaxis()->SetTitle("m(#mu#mu) [GeV/c^{2}]");
	c->cd(3);
	mKpi->Draw();
	mKpi->SetTitle("");
	mKpi->GetXaxis()->SetTitle("m(K#pi) [GeV/c^{2}]");
	c->cd(4);
	massHisto->Draw();
	//massHisto->SetMaximum(1500);
	mBd->SetLineColor(kRed);
	mBd->Draw("same");
	massHisto->SetTitle("");
	massHisto->GetXaxis()->SetTitle("DTF m(J/#psi K#pi) [GeV/c^{2}]");
	c->cd(5);
	mB_lower->Draw();
	mB_lower->SetTitle("");
	mB_lower->GetXaxis()->SetTitle("m(J/#psi Kp) [GeV/c^{2}]");
	//mB_lower->GetXaxis()->SetTitle("m(J/#psi KK) [GeV/c^{2}]");
	c->cd(6);
	mB_upper->Draw();
	mB_upper->SetTitle("");
	mB_upper->GetXaxis()->SetTitle("m(J/#psi Kp) [GeV/c^{2}]");
	//mB_upper->GetXaxis()->SetTitle("m(J/#psi KK) [GeV/c^{2}]");
	c->SaveAs("plots_Bd2JpsiKst_reflections.pdf");
}
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;

}
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;
} 
Beispiel #13
0
float computeMR(TLorentzVector hem1, TLorentzVector hem2) {
    return sqrt(pow(hem1.P() + hem2.P(), 2) - pow(hem1.Pz() + hem2.Pz(), 2));
}
Beispiel #14
0
map<string, TH1F *>
readSample (string sampleName, string radice, LHAPDF::PDF * pdf, float referenceScale = 0., int maxevents = -1)
{
  cout << "reading " << sampleName << endl ;
  std::ifstream ifs (sampleName.c_str ()) ;
  LHEF::Reader reader (ifs) ;
  
  map<string, TH1F *> histos ;

  TH1F * h_vbf0_eta    = addHistoToMap (histos, string ("vbf0_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_vbf0_pt     = addHistoToMap (histos, string ("vbf0_pt_")      + radice, 100, 0, 400) ;
  TH1F * h_vbf0_phi    = addHistoToMap (histos, string ("vbf0_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_vbf1_eta    = addHistoToMap (histos, string ("vbf1_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_vbf1_pt     = addHistoToMap (histos, string ("vbf1_pt_")      + radice, 100, 0, 250) ;
  TH1F * h_vbf1_phi    = addHistoToMap (histos, string ("vbf1_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_lep0_eta    = addHistoToMap (histos, string ("lep0_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_lep0_pt     = addHistoToMap (histos, string ("lep0_pt_")      + radice, 100, 0, 400) ;
  TH1F * h_lep0_phi    = addHistoToMap (histos, string ("lep0_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_lep1_eta    = addHistoToMap (histos, string ("lep1_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_lep1_pt     = addHistoToMap (histos, string ("lep1_pt_")      + radice, 100, 0, 250) ;
  TH1F * h_lep1_phi    = addHistoToMap (histos, string ("lep1_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_lep2_eta    = addHistoToMap (histos, string ("lep2_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_lep2_pt     = addHistoToMap (histos, string ("lep2_pt_")      + radice, 100, 0, 250) ;
  TH1F * h_lep2_phi    = addHistoToMap (histos, string ("lep2_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_met_eta    = addHistoToMap (histos, string ("met_eta_")     + radice, 40, -6, 6) ;
  TH1F * h_met_pt     = addHistoToMap (histos, string ("met_pt_")      + radice, 100, 0, 250) ;
  TH1F * h_met_phi    = addHistoToMap (histos, string ("met_phi_")     + radice, 30, -3.14, 3.14) ;
                                                                        
  TH1F * h_mjj_vbf     = addHistoToMap (histos, string ("mjj_vbf_")      + radice, 70, 0, 4000) ;
  TH1F * h_deta_vbf    = addHistoToMap (histos, string ("deta_vbf_")     + radice, 70, 0, 10) ;
                                                                    
  TH1F * h_NJ          = addHistoToMap (histos, string ("NJ_")           + radice, 5, 0, 5) ;
  TH1F * h_NG          = addHistoToMap (histos, string ("NG_")           + radice, 5, 0, 5) ;

  TH1F * h_scale       = addHistoToMap (histos, string ("scale_")        + radice, 100, 0., 500.) ;
  TH1F * h_weight      = addHistoToMap (histos, string ("weight_")       + radice, 100, 0., 10.) ;
 
  int ieve = 0 ;
  // loop over events
  while ( reader.readEvent () ) 
    {
      if (ieve % 10000 == 0) std::cout << "event " << ieve << "\n" ;
      if (maxevents > 0 && ieve >= maxevents) break ;
      ++ieve;
  
      vector<TLorentzVector> finalJets ;      
      vector<TLorentzVector> initialQuarks ;      
      vector<TLorentzVector> finalQuarks ;      
      vector<TLorentzVector> finalGluons ;      
      vector<TLorentzVector> leptons ;      
      vector<TLorentzVector> neutrinos ;      
      
      double x[2] = {0., 0.} ;
      int flavour[2] = {0, 0} ;

      int iquark = 0 ;
      //PG loop over particles in the event
      //PG and fill the variables of leptons and quarks
      for (int iPart = 0 ; iPart < reader.hepeup.IDUP.size (); ++iPart)
        {
//          std::cout << "\t part type [" << iPart << "] " << reader.hepeup.IDUP.at (iPart)
//                    << "\t status " << reader.hepeup.ISTUP.at (iPart)
//                    << "\n" ;

          TLorentzVector particle
                (
                  reader.hepeup.PUP.at (iPart).at (0), //PG px
                  reader.hepeup.PUP.at (iPart).at (1), //PG py
                  reader.hepeup.PUP.at (iPart).at (2), //PG pz
                  reader.hepeup.PUP.at (iPart).at (3) //PG E
                ) ;
          //PG incoming particle          
          if (reader.hepeup.ISTUP.at (iPart) == -1)
            {
               x[iquark] = particle.P () / 7000. ;
               flavour[iquark++] = reader.hepeup.IDUP.at (iPart) ;
               initialQuarks.push_back (particle) ;
            } //PG incoming particle          

          //PG outgoing particles          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
              // jets  
              if (abs (reader.hepeup.IDUP.at (iPart)) < 7) // quarks
                {
                  finalJets.push_back (particle) ;
                  finalQuarks.push_back (particle) ;
                } // quarks
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 21 ) // gluons
                {
                  finalJets.push_back (particle) ;
                  finalGluons.push_back (particle) ;
                } // gluons
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 11 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 13) // charged leptons (e,u)
                {
                  leptons.push_back (particle) ;
                } //PG charged leptons
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 12 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 14) // neutrinos
                {
                  neutrinos.push_back (particle) ;
                } //PG neutrinos
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 15 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 16) // charged leptons (tau)
                {
                  cout << "WARNING third family present!" << endl ; 
                } //PG charged leptons
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 9) // gluon?
                {
                  cout << "WARNING found gluon with pddgID == 9\n" ;
                  finalJets.push_back (particle) ;
                } //PG gluon?
            } //PG outgoing particles
        } //PG loop over particles in the event

      // dynamic scale according to phantom recipe
      if (referenceScale < 0)
        {
          referenceScale = leptons.at (0).Pt () * leptons.at (0).Pt () ;
          referenceScale += leptons.at (1).Pt () * leptons.at (1).Pt () ;
          referenceScale += leptons.at (2).Pt () * leptons.at (2).Pt () ;
          referenceScale += neutrinos.at (0).Pt () * neutrinos.at (0).Pt () ;
          referenceScale += finalJets.at (1).Pt () * finalJets.at (1).Pt () ;
          referenceScale += finalJets.at (0).Pt () * finalJets.at (0).Pt () ;
          referenceScale /= 6. ;
          referenceScale = sqrt (referenceScale) ;
          referenceScale += 80. ;
        }

      double weight = 1. ;
      float scale = reader.hepeup.SCALUP ;
      if (referenceScale != 0 )
        weight = pdf->xfxQ (flavour[0], x[0], referenceScale) * pdf->xfxQ (flavour[1], x[1], referenceScale) /
                 (pdf->xfxQ (flavour[0], x[0], scale) * pdf->xfxQ (flavour[1], x[1], scale)) ;

      if (isnan (weight))
        {
          cout << "WARNING weight is not a number, setting to 1." << endl ;
          weight = 1. ;
        } 
      
      if (isinf (weight))
        {
          cout << "WARNING weight is infinite, setting to 1." << endl ;
          weight = 1. ;
        } 

      h_weight->Fill (weight) ;
      h_scale->Fill (scale) ;

      
      sort (leptons.rbegin (), leptons.rend (), ptSort ()) ;
      sort (finalJets.rbegin (), finalJets.rend (), ptSort ()) ;

      float mjj = (finalJets.at (0) + finalJets.at (1)).M () ;
      float detajj = fabs (finalJets.at (0).Eta () - finalJets.at (1).Eta ()) ;

      //CUTS
      if (leptons.at (0).Pt () < 20) continue ;
      if (leptons.at (1).Pt () < 20) continue ;
      if (leptons.at (2).Pt () < 20) continue ;

      if (finalJets.at (0).Pt () < 20) continue ;
      if (finalJets.at (1).Pt () < 20) continue ;

//      if (finalGluons.size () == 1) continue ;
      
      if (mjj < 300) continue ; 

      // get the tag jets
      h_NJ->Fill (finalJets.size (), weight) ;
      h_NG->Fill (finalGluons.size (), weight) ;

      h_vbf0_eta->Fill (finalJets.at (0).Eta (), weight) ;            
      h_vbf0_phi->Fill (finalJets.at (0).Phi (), weight) ;            
      h_vbf0_pt-> Fill (finalJets.at (0).Pt (), weight) ;        

      h_vbf1_eta->Fill (finalJets.at (1).Eta (), weight) ;            
      h_vbf1_phi->Fill (finalJets.at (1).Phi (), weight) ;            
      h_vbf1_pt-> Fill (finalJets.at (1).Pt (), weight) ;        

      h_mjj_vbf->Fill (mjj, weight) ;
      h_deta_vbf->Fill (detajj, weight) ;

      h_lep0_eta->Fill (leptons.at (0).Eta (), weight) ;            
      h_lep0_phi->Fill (leptons.at (0).Phi (), weight) ;            
      h_lep0_pt-> Fill (leptons.at (0).Pt (), weight) ;        

      h_lep1_eta->Fill (leptons.at (1).Eta (), weight) ;            
      h_lep1_phi->Fill (leptons.at (1).Phi (), weight) ;            
      h_lep1_pt-> Fill (leptons.at (1).Pt (), weight) ;        

      h_lep2_eta->Fill (leptons.at (2).Eta (), weight) ;            
      h_lep2_phi->Fill (leptons.at (2).Phi (), weight) ;            
      h_lep2_pt-> Fill (leptons.at (2).Pt (), weight) ;        

      h_met_eta->Fill (neutrinos.at (0).Eta (), weight) ;            
      h_met_phi->Fill (neutrinos.at (0).Phi (), weight) ;            
      h_met_pt-> Fill (neutrinos.at (0).Pt (), weight) ;        

    } // loop over events
    
  return histos ;
}
Beispiel #15
0
int main(int argc, char ** argv) 
{
  if(argc < 2)
    {
      cout << "Usage:   " << argv[0] 
           << " input.lhe " << endl ;
      return -1;
    }

  bool REW = false ;
  if (argc > 2) REW = true ;
  cout << REW << endl ;
 
  const int SUBSET = 0;
  const string NAME = "cteq6ll"; //"cteq6l1"

  LHAPDF::initPDFSet(NAME, LHAPDF::LHPDF, SUBSET);
  const int NUMBER = LHAPDF::numberPDF();

  LHAPDF::initPDF (0) ;

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

  TH1F h_phScale ("h_phScale", "h_phScale", 100, 0, 1000) ;
  TH1F h_scale ("h_scale", "h_scale", 100, 0, 1000) ;
  TH1F h_x ("h_x", "h_x", 100, 0, 1) ;
  TH1F h_weight ("h_weight", "h_weight", 100, 0, 2) ;
  TH1F h_phaseSp ("h_phaseSp", "h_phaseSp", 1000, 0, 10) ;

  TH1F h_ptj1 ("h_ptj1", "h_ptj1", 60, 0, 400) ;
  TH1F h_ptj2 ("h_ptj2", "h_ptj2", 50, 0, 300) ;
  TH1F h_etaj1 ("h_etaj1", "h_etaj1", 40, 0, 6) ;
  TH1F h_etaj2 ("h_etaj2", "h_etaj2", 40, 0, 6) ;
  TH1F h_mjj ("h_mjj", "h_mjj", 50, 0, 3500) ;
  TH1F h_detajj ("h_detajj", "h_detajj", 100, 30, 10) ;
  TH1F h_mll ("h_mll", "h_mll", 40, 0, 300) ;

  h_phScale.Sumw2 () ;
  h_scale.Sumw2 () ;
  h_x.Sumw2 () ;
  h_weight.Sumw2 () ;
  h_phaseSp.Sumw2 () ;
  h_ptj1.Sumw2 () ;
  h_ptj2.Sumw2 () ;
  h_etaj1.Sumw2 () ;
  h_etaj2.Sumw2 () ;
  h_mjj.Sumw2 () ;
  h_detajj.Sumw2 () ;
  h_mll.Sumw2 () ;

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

      ++number_total ;
      TLorentzVector Higgs;
      int iPartHiggs;
      
      std::vector<int> leptonsFlavour ;      
      std::vector<int> finalJets ;      
      std::vector<int> initialQuarks ;      
      
      vector<TLorentzVector> v_f_jets ; //PG w/ b's
      vector<TLorentzVector> v_f_quarks ; //PG w/o b's
      vector<TLorentzVector> v_f_leptons ;
      vector<TLorentzVector> v_f_neutrinos ;
      vector<TLorentzVector> v_f_intermediate ;
      
      int nele = 0 ;
      int nmu  = 0 ;
      int ntau = 0 ;

      double x[2] = {0., 0.} ;
      int flavour[2] = {0, 0} ;
    
      // loop over particles in the event
      // and fill the variables of leptons and quarks
      for (int iPart = 0 ; iPart < reader.hepeup.IDUP.size (); ++iPart) 
        {
           TLorentzVector dummy = buildP (reader.hepeup, iPart) ;

           // incoming particle          
           if (reader.hepeup.ISTUP.at (iPart) == -1) 
             {
               initialQuarks.push_back (iPart) ;
               x[iPart] = dummy.P () / 4000. ;
               flavour[iPart] = reader.hepeup.IDUP.at (iPart) ;

             } // incoming particle          


           if (reader.hepeup.ISTUP.at (iPart) == 2) 
             {
               if (abs (reader.hepeup.IDUP.at (iPart)) == 6)
                 {
                   v_f_intermediate.push_back (dummy) ;
                 }
             }
           
           // outgoing particles          
           if (reader.hepeup.ISTUP.at (iPart) == 1)
             {
               // quarks
               if (abs (reader.hepeup.IDUP.at (iPart)) < 7) 
                 {
                   v_f_jets.push_back (dummy) ;
                   finalJets.push_back (iPart) ;
                   if (abs (reader.hepeup.IDUP.at (iPart)) < 5)
                     {
                       v_f_quarks.push_back (dummy) ;        
                     }
                 } // quarks
               else if (abs (reader.hepeup.IDUP.at (iPart)) == 11 ||
                        abs (reader.hepeup.IDUP.at (iPart)) == 13 ||
                        abs (reader.hepeup.IDUP.at (iPart)) == 15)
                 {
                   leptonsFlavour.push_back (reader.hepeup.IDUP.at (iPart)) ;
                   v_f_leptons.push_back (dummy) ;
                   nele += (abs (reader.hepeup.IDUP.at (iPart)) == 11) ;
                   nmu  += (abs (reader.hepeup.IDUP.at (iPart)) == 13) ;
                   ntau += (abs (reader.hepeup.IDUP.at (iPart)) == 15) ;
                 }
               else if (abs (reader.hepeup.IDUP.at (iPart)) == 12 ||
                        abs (reader.hepeup.IDUP.at (iPart)) == 14 ||
                        abs (reader.hepeup.IDUP.at (iPart)) == 16)
                 {
                   v_f_neutrinos.push_back (dummy) ;        
                 }
             } // outgoing particles
        } // loop over particles in the event

      //PG selections to equalise the two samples
      //PG ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

      if (ntau > 0) continue ;
      
      if (v_f_quarks.size () != finalJets.size ()) continue ;    //PG no bs in the final state
      if (v_f_quarks.size () < 2) continue ;
      if (v_f_intermediate.size () > 0) continue ;               //PG no intermediate tops

      sort (v_f_quarks.rbegin (), v_f_quarks.rend (), ptsort ()) ;  
  
      //PG residual differences in the generation thresholds
      //PG selections like this work only if one expects only 2 quarks in the event
      //PG otherwise need to reduce the quarks collection first
  
      if (v_f_quarks.at (0).Pt () < 20 ||
          v_f_quarks.at (1).Pt () < 20 ||
          v_f_quarks.at (0).E () < 20 ||
          v_f_quarks.at (1).E () < 20 ||
          fabs (v_f_quarks.at (0).Eta ()) > 5 ||
          fabs (v_f_quarks.at (1).Eta ()) > 5 ||
          fabs (v_f_leptons.at (0).Eta ()) > 2.5 ||
          fabs (v_f_leptons.at (1).Eta ()) > 2.5 ||
          v_f_leptons.at (0).Pt () < 6 ||
          v_f_leptons.at (1).Pt () < 6) continue ;
      
//      if (v_f_leptons.at (0).DeltaR (v_f_leptons.at (1)) < 0.4) continue ;          
//      if (v_f_quarks.at (0).DeltaR (v_f_quarks.at (1)) < 0.4) continue ;          
//  
//      int cont = 0 ;
//      for (int iL = 0 ; iL < 2 ; ++iL)
//        for (int iJ = 0 ; iJ < 2 ; ++iJ)
//          if (v_f_quarks.at (iJ).DeltaR (v_f_leptons.at (iL)) < 0.4) cont = 1 ;
//      if (cont == 1) continue ;
      
      TLorentzVector diLepton = v_f_leptons.at (0) + v_f_leptons.at (1) ;
      if (diLepton.M () < 12) continue ;

      if (v_f_neutrinos.at (0).Pt () < 6 || v_f_neutrinos.at (1).Pt () < 6) continue ; 
//      TLorentzVector missingEnergy = v_f_neutrinos.at (0) + v_f_neutrinos.at (1) ;
//      if (missingEnergy.Pt () < 6) continue ;

      TLorentzVector diJet = v_f_quarks.at (0) + v_f_quarks.at (1) ;
      if (diJet.M () < 100) continue ;
    
      //PG only different flavour
      if (abs (leptonsFlavour[0]) == abs (leptonsFlavour[1])) continue ;
//      if (leptonsFlavour[0] == -1 * leptonsFlavour[1] &&
//          diLepton.M () < 97.5 && diLepton.M () > 83.5) continue ;

      //PG VBF cuts
      if (diJet.M () < 500 || 
          fabs (v_f_quarks.at (0).Eta () - v_f_quarks.at (1).Eta ()) < 3.5) continue ;

      //PG opposite charge leptons
      if (leptonsFlavour.at (0) * leptonsFlavour.at (1) > 0) continue ;

      sort (v_f_leptons.rbegin (), v_f_leptons.rend (), ptsort ()) ;  

      //PG analysis state cuts
      if (v_f_quarks.at (0).Pt () < 30 ||
          v_f_quarks.at (1).Pt () < 30 ||
          v_f_leptons.at (0).Pt () < 20 ||
          v_f_leptons.at (1).Pt () < 10) continue ;
     

      //PG at this point the two generations should be on the same page
      //PG ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 
      ++number_selec ;

      //PG the scale:
      float scale = reader.hepeup.SCALUP ;

      //PG determine the scale according to the phantom recipe
      
      double phantomScale = 80.385 * 80.385 + 
          (v_f_quarks.at (0).Pt () * v_f_quarks.at (0).Pt () +
           v_f_quarks.at (1).Pt () * v_f_quarks.at (1).Pt () +
           v_f_leptons.at (0).Pt () * v_f_leptons.at (0).Pt () +
           v_f_leptons.at (1).Pt () * v_f_leptons.at (1).Pt () +
           v_f_neutrinos.at (0).Pt () * v_f_neutrinos.at (0).Pt () +
           v_f_neutrinos.at (1).Pt () * v_f_neutrinos.at (1).Pt ()) / 6. ;
      phantomScale = sqrt (phantomScale) ;

      //PG calculate the weight to be applied to the event
      double weight = LHAPDF::xfx (x[0], phantomScale, flavour[0]) * LHAPDF::xfx (x[1], phantomScale, flavour[1]) /
                      (LHAPDF::xfx (x[0], scale, flavour[0]) * LHAPDF::xfx (x[1], scale, flavour[1])) ;
//      cout << weight << endl ;

      h_weight.Fill (weight) ; 
      h_phaseSp.Fill (LHAPDF::xfx (x[0], scale, flavour[0]) * LHAPDF::xfx (x[1], scale, flavour[1])) ;
      h_phScale.Fill (phantomScale) ; 

      //PG fill histos
      if (!REW) weight = 1. ;
      
      h_ptj1.Fill (v_f_quarks.at (0).Pt (), weight) ; 
      h_ptj2.Fill (v_f_quarks.at (1).Pt (), weight) ; 
      h_etaj1.Fill (v_f_quarks.at (0).Eta (), weight) ; 
      h_etaj2.Fill (v_f_quarks.at (1).Eta (), weight) ; 
      h_scale.Fill (scale, weight) ;
      h_x.Fill (x[0], weight) ;
      h_x.Fill (x[1], weight) ;
      h_mjj.Fill (diJet.M (), weight) ;
      h_detajj.Fill (fabs (v_f_quarks.at (0).Eta () - v_f_quarks.at (1).Eta ())) ;
      h_mll.Fill (diLepton.M (), weight) ;
    } //PG loop over input events

  cout << "total " << number_total << endl ;
  cout << "efficiency " << number_selec * 1. / number_total << endl ;

  TFile f ("reweight.root", "recreate") ;
  h_phaseSp.Write () ;
  h_weight.Write () ;
  h_phScale.Write () ;
  h_scale.Write () ;
  h_x.Write () ;
  h_mjj.Write () ;
  h_detajj.Write () ;
  h_mll.Write () ;
  h_ptj1.Write () ;
  h_ptj2.Write () ;
  h_etaj1.Write () ;
  h_etaj2.Write () ;
  f.Close () ;

  return 0 ;
}
Beispiel #16
0
//==============================================
void PolMC::Loop(Int_t selDimuType)
{
  if (fChain == 0) return;

  Long64_t nentries = fChain->GetEntries();
  Long64_t countGenEvent = 0;
  Long64_t nb = 0;
  printf("number of entries = %d\n", (Int_t) nentries);

  //loop over the events
  for (Long64_t jentry=0; jentry<nentries;jentry++) {

    if(jentry % 100000 == 0) printf("event %d\n", (Int_t) jentry);

    Long64_t ientry = LoadTree(jentry);
    if (ientry < 0) break;
    nb = fChain->GetEntry(jentry);

    //protection against dummy events:
    if(muPosPx_Gen < -9900.)
      continue;

    hGen_StatEv->Fill(0.5);//count all events
    //do NOT select on the dimuon type (only a RECO variable)
    hGen_StatEv->Fill(1.5);//count all events

    Double_t enMuPos = sqrt(muPosPx_Gen*muPosPx_Gen + muPosPy_Gen*muPosPy_Gen + muPosPz_Gen*muPosPz_Gen + jpsi::muMass*jpsi::muMass);
    Double_t enMuNeg = sqrt(muNegPx_Gen*muNegPx_Gen + muNegPy_Gen*muNegPy_Gen + muNegPz_Gen*muNegPz_Gen + jpsi::muMass*jpsi::muMass);
    TLorentzVector *muPos = new TLorentzVector();
    TLorentzVector *muNeg = new TLorentzVector();
    muPos->SetPxPyPzE(muPosPx_Gen, muPosPy_Gen, muPosPz_Gen, enMuPos);
    muNeg->SetPxPyPzE(muNegPx_Gen, muNegPy_Gen, muNegPz_Gen, enMuNeg);
    Double_t etaMuPos = muPos->PseudoRapidity();
    Double_t etaMuNeg = muNeg->PseudoRapidity();
    Double_t pTMuPos = muPos->Pt();
    Double_t pTMuNeg = muNeg->Pt();

    //take muons only within a certain eta range
    if(TMath::Abs(etaMuPos) > jpsi::etaPS || TMath::Abs(etaMuNeg) > jpsi::etaPS){
      // printf("eta(pos. muon) = %f, eta(neg. muon) = %f\n", etaMuPos, etaMuNeg);
      continue;
    }
    hGen_StatEv->Fill(2.5);//count all events

    if(pTMuPos < jpsi::pTMuMin && pTMuNeg < jpsi::pTMuMin){
      // printf("pT(pos. muon) = %f, pT(neg. muon) = %f\n", pTMuPos, pTMuNeg);
      continue;
    }
    hGen_StatEv->Fill(3.5);

    //test according to Gavin's proposal:
    //if any of the two muons is within 1.4 < eta < 1.6 AND
    //the two muons are close in eta (deltaEta < 0.2)
    //reject the dimuon (no matter whether it is "Seagull" or 
    //"Cowboy"):
//     if(TMath::Abs(etaMuPos - etaMuNeg) < 0.2 &&
//        ((etaMuPos > 1.4 && etaMuPos < 1.6) || (etaMuNeg > 1.4 && etaMuNeg < 1.6))){
//       printf("rejecting the event!\n");
//       continue;
//     }

    //build the invariant mass, pt, ... of the two muons
    TLorentzVector *onia = new TLorentzVector();
    *onia = *(muPos) + *(muNeg);

    Double_t onia_mass = onia->M();
    Double_t onia_pt = onia->Pt();
    Double_t onia_P = onia->P();
    Double_t onia_eta = onia->PseudoRapidity();
    Double_t onia_rap = onia->Rapidity();
    Double_t onia_phi = onia->Phi();
    Double_t onia_mT = sqrt(onia_mass*onia_mass + onia_pt*onia_pt);

    // Int_t rapIndex = -1;
    // for(int iRap = 0; iRap < 2*jpsi::kNbRapBins; iRap++){
    //   if(onia_rap > jpsi::rapRange[iRap] && onia_rap < jpsi::rapRange[iRap+1]){
    // 	rapIndex = iRap+1;
    // 	break;
    //   }
    // }
    Int_t rapForPTIndex = -1;
    for(int iRap = 0; iRap < jpsi::kNbRapForPTBins; iRap++){
      if(TMath::Abs(onia_rap) > jpsi::rapForPTRange[iRap] && 
	 TMath::Abs(onia_rap) < jpsi::rapForPTRange[iRap+1]){
	 rapForPTIndex = iRap+1;
	break;
      }
    }
    Int_t pTIndex = -1;
    for(int iPT = 0; iPT < jpsi::kNbPTBins[rapForPTIndex]; iPT++){
      if(onia_pt > jpsi::pTRange[rapForPTIndex][iPT] && onia_pt < jpsi::pTRange[rapForPTIndex][iPT+1]){
	pTIndex = iPT+1;
	break;
      }
    }
    Int_t rapIntegratedPTIndex = -1;
    for(int iPT = 0; iPT < jpsi::kNbPTBins[0]; iPT++){
      if(onia_pt > jpsi::pTRange[0][iPT] && onia_pt < jpsi::pTRange[0][iPT+1]){
	rapIntegratedPTIndex = iPT+1;
	break;
      }
    }

    // if(rapIndex < 1){
    //   printf("rapIndex %d, rap(onia) = %f\n", rapIndex, onia_rap);
    //   continue;
    // }
    if(rapForPTIndex < 1){
      // printf("rapForPTIndex %d, rap(onia) = %f\n", rapForPTIndex, onia_rap);
      continue;
    }
    if(pTIndex < 1){
      // printf("pTIndex %d, pT(onia) = %f\n", pTIndex, onia_pt);
      continue;
    }

    hGen_StatEv->Fill(4.5);

    if(TMath::Abs(onia_rap) > jpsi::rapYPS)
      continue;

    hGen_StatEv->Fill(7.5);

    //remaining of the events will be used for the analysis
    countGenEvent++;

    //fill mass, phi, pt, eta and rap distributions
    //a) all bins
    hGen_Onia_mass[0][0]->Fill(onia_mass);
    hGen_Onia_mass[rapIntegratedPTIndex][0]->Fill(onia_mass);
    hGen_Onia_mass[0][rapForPTIndex]->Fill(onia_mass);
    //
    hGen_Onia_phi[0][0]->Fill(onia_phi);
    hGen_Onia_phi[rapIntegratedPTIndex][0]->Fill(onia_phi);
    hGen_Onia_phi[0][rapForPTIndex]->Fill(onia_phi);
      
    hGen_Onia_pt[0]->Fill(onia_pt);
    // hGen_Onia_eta[0]->Fill(onia_eta);
    // hGen_Onia_rap[0]->Fill(onia_rap);
    //b) individual pT and rap bins:
    hGen_Onia_mass[pTIndex][rapForPTIndex]->Fill(onia_mass);
    hGen_Onia_phi[pTIndex][rapForPTIndex]->Fill(onia_phi);
    hGen_Onia_pt[rapForPTIndex]->Fill(onia_pt);
    // hGen_Onia_eta[pTIndex]->Fill(onia_eta);
    // hGen_Onia_rap[pTIndex]->Fill(onia_rap);

    hGen_Onia_rap_pT->Fill(onia_rap, onia_pt);

    //=====================
    calcPol(*muPos, *muNeg);
    //=====================

    //test:
//     calcPol(*muNeg, *muPos);
//     //H: test:
//     if(jentry%2 == 0)
//       calcPol(*muPos, *muNeg);
//     else
//       calcPol(*muNeg, *muPos);

    //===================================================
    //calculate delta, the angle between the CS and HX frame
    //Formula from EPJC paper
    Double_t deltaHXToCS = TMath::ACos(onia_mass * onia->Pz() / (onia_mT * onia_P));
    //     Double_t deltaCSToHX = -deltaHXToCS;
    Double_t sin2Delta = pow((onia_pt * onia->Energy() / (onia_P * onia_mT)),2);
    //sin2Delta does not change sign when going from HX-->CS or vice versa
    hDelta[pTIndex][rapForPTIndex]->Fill(deltaHXToCS * 180./TMath::Pi());
    hSin2Delta[pTIndex][rapForPTIndex]->Fill(sin2Delta);
    //===================================================

    Double_t deltaPhi = muPos->Phi() - muNeg->Phi();
    if(deltaPhi < -TMath::Pi()) deltaPhi += 2.*TMath::Pi();
    else if(deltaPhi > TMath::Pi()) deltaPhi = 2.*TMath::Pi() - deltaPhi;

    //debugging histos
    hPhiPos_PhiNeg[pTIndex][rapForPTIndex]->Fill(180./TMath::Pi() * muNeg->Phi(), 180./TMath::Pi() * muPos->Phi());
    hPtPos_PtNeg[pTIndex][rapForPTIndex]->Fill(muNeg->Pt(), muPos->Pt());
    hEtaPos_EtaNeg[pTIndex][rapForPTIndex]->Fill(muNeg->PseudoRapidity(), muPos->PseudoRapidity());
    // hDeltaPhi[pTIndex][rapIndex]->Fill(deltaPhi);
    hDeltaPhi[pTIndex][rapForPTIndex]->Fill(deltaPhi);

    hGen_mupl_pt[pTIndex][rapForPTIndex]->Fill(muPos->Pt());
    hGen_mupl_eta[pTIndex][rapForPTIndex]->Fill(muPos->PseudoRapidity());
    hGen_mupl_phi[pTIndex][rapForPTIndex]->Fill(muPos->Phi());
      
    hGen_mumi_pt[pTIndex][rapForPTIndex]->Fill(muNeg->Pt());
    hGen_mumi_eta[pTIndex][rapForPTIndex]->Fill(muNeg->PseudoRapidity());
    hGen_mumi_phi[pTIndex][rapForPTIndex]->Fill(muNeg->Phi());

    //fill the histos for all the different frames
    for(int iFrame = 0; iFrame < jpsi::kNbFrames; iFrame++){

      thisCosPhi[iFrame] = TMath::Cos(2.*thisPhi_rad[iFrame]);

      Double_t weight = CalcPolWeight(onia_P, thisCosTh[iFrame]);

      //1a) polariztion histos - all pT
      // hGen_Onia_pol_pT[iFrame][0][jpsi::cosThPol]->Fill(thisCosTh[iFrame], weight);
      // hGen_Onia_pol_pT[iFrame][0][jpsi::phiPol]->Fill(thisPhi[iFrame], weight);
      // hGen_Onia_pol_pT[iFrame][0][jpsi::cos2PhiPol]->Fill(thisCosPhi[iFrame], weight);
      // hGen2D_Onia_pol_pT[iFrame][0]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);

      //1b) polariztion histos - pT Bin
      // if(pTIndex > 0){
      // 	hGen_Onia_pol_pT[iFrame][pTIndex][jpsi::cosThPol]->Fill(thisCosTh[iFrame], weight);
      // 	hGen_Onia_pol_pT[iFrame][pTIndex][jpsi::phiPol]->Fill(thisPhi[iFrame], weight);
      // 	hGen_Onia_pol_pT[iFrame][pTIndex][jpsi::cos2PhiPol]->Fill(thisCosPhi[iFrame], weight);
      // 	hGen2D_Onia_pol_pT[iFrame][pTIndex]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      // }

      // //2a) polariztion histos - all Rap
      // hGen_Onia_pol_rap[iFrame][0][jpsi::cosThPol]->Fill(thisCosTh[iFrame], weight);
      // hGen_Onia_pol_rap[iFrame][0][jpsi::phiPol]->Fill(thisPhi[iFrame], weight);
      // hGen_Onia_pol_rap[iFrame][0][jpsi::cos2PhiPol]->Fill(thisCosPhi[iFrame], weight);
      // hGen2D_Onia_pol_rap[iFrame][0]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);

      // //2b) polariztion histos - rap Bin
      // if(rapIndex > 0){
      // 	hGen_Onia_pol_rap[iFrame][rapIndex][jpsi::cosThPol]->Fill(thisCosTh[iFrame], weight);
      // 	hGen_Onia_pol_rap[iFrame][rapIndex][jpsi::phiPol]->Fill(thisPhi[iFrame], weight);
      // 	hGen_Onia_pol_rap[iFrame][rapIndex][jpsi::cos2PhiPol]->Fill(thisCosPhi[iFrame], weight);
      // 	hGen2D_Onia_pol_rap[iFrame][rapIndex]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      // }

      //3) polariztion histos - pT and rap Bin
      //all pT and rapidities
      hGen2D_Onia_pol_pT_rap[iFrame][0][0]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      if(rapIntegratedPTIndex > 0)
	hGen2D_Onia_pol_pT_rap[iFrame][rapIntegratedPTIndex][0]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      if(rapForPTIndex > 0)
	hGen2D_Onia_pol_pT_rap[iFrame][0][rapForPTIndex]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      if(pTIndex > 0 && rapForPTIndex > 0){
	hGen_Onia_pol_pT_rap[iFrame][pTIndex][rapForPTIndex][jpsi::cosThPol]->Fill(thisCosTh[iFrame], weight);
	hGen_Onia_pol_pT_rap[iFrame][pTIndex][rapForPTIndex][jpsi::phiPol]->Fill(thisPhi[iFrame], weight);
	hGen_Onia_pol_pT_rap[iFrame][pTIndex][rapForPTIndex][jpsi::cos2PhiPol]->Fill(thisCosPhi[iFrame], weight);
	hGen2D_Onia_pol_pT_rap[iFrame][pTIndex][rapForPTIndex]->Fill(thisCosTh[iFrame], thisPhi[iFrame], weight);
      }
    }

    delete muPos;
    delete muNeg;
    delete onia;
  }//loop over entries

  printf("nb. of rec. events is %d of a total of %d events\n", (Int_t) countGenEvent, (Int_t) nentries);
}
Beispiel #17
0
//This is the updated MR definition that we use in the inclusive analysis 
//(no pt corrections or anything fancy)
// P and Q are the 4-vectors for the 2 hemispheres, or in you case,
// the two leptons - setting mass to 0 should be fine
double HWWKinematics::CalcMR(TLorentzVector P, TLorentzVector Q){

 float MR = sqrt((P.P()+Q.P())*(P.P()+Q.P())-(P.Pz()+Q.Pz())*(P.Pz()+Q.Pz()));

 return MR;
}
Beispiel #18
0
//This is the updated MR definition that we use in the inclusive analysis 
//(no pt corrections or anything fancy)
// 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
double HWWKinematics::CalcMR(){
  
  float MR = sqrt((L1.P()+L2.P())*(L1.P()+L2.P())-(L1.Pz()+L2.Pz())*(L1.Pz()+L2.Pz()));
  
  return MR;
}