示例#1
0
int main(int argc, char ** argv) 
{
  if(argc < 4)
    {
      cout << "Usage:   " << argv[0] 
           << " fileToSplit.lhe events_per_file tag_for_splitting" << endl ;
      return -1;
    }

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

  int eventsPerFile = atoi (argv[2]) ;

  LHEF::Writer * writer ;
  ofstream outputStream ;

  int ieve = 0 ;
  int index = 0 ;
  //PG loop over input events
  while (reader.readEvent ()) 
    {
      if (ieve == 0)
        { 
          stringstream filename ;
          filename << argv[3] << "_" << index << ".lhe" ;
          outputStream.open (filename.str ().c_str ()) ;
          cout << "opening in output : " << filename.str () << endl ;
          writer = new LHEF::Writer (outputStream) ;
          writer->headerBlock() << reader.headerBlock ;
          writer->initComments() << reader.initComments ;
          writer->heprup = reader.heprup ;
          writer->init () ;
        }

      if ( reader.outsideBlock.length() ) std::cout << reader.outsideBlock;
      writer->eventComments() << reader.eventComments;
      writer->hepeup = reader.hepeup;
      writer->writeEvent();
      ieve++ ;

      if (ieve % eventsPerFile == 0)
        {
          ieve = 0 ;
          index++ ;
          delete writer ;
          outputStream.close () ;
        }
    } //PG loop over input events

  if (ieve % eventsPerFile != 0)  delete writer ;
  return 0 ;
}
示例#2
0
void fillHistos (ifstream & ifs) 
{
  LHEF::Reader reader (ifs) ;
  TH1F h_deta ("h_deta", "h_deta", 100, 0, 10) ;
  TH1F h_jeta ("h_jeta", "h_jeta", 100, -5, 5) ;
  TH1F h_j1eta ("h_j1eta", "h_j1eta", 100, -5, 5) ;
  TH1F h_j2eta ("h_j2eta", "h_j2eta", 100, -5, 5) ;
  TH1F h_j1pt ("h_j1pt", "h_j1pt", 100, 0, 200) ;
  TH1F h_j2pt ("h_j2pt", "h_j2pt", 100, 0, 200) ;


   //PG histograms
//method 1 hist
// tag Jets
   TH1F h_vbf_jj_pt ("h_vbf_jj_pt", "h_vbf_jj_pt", 100, 0, 500) ;
   TH1F h_vbf_jj_eta ("h_vbf_jj_eta", "h_vbf_jj_eta", 100, -5, 5) ;
   TH1F h_vbf_jj_e ("h_vbf_jj_e", "h_vbf_jj_e", 100, 0, 500) ;
   TH1F h_vbf_jj_phi ("h_vbf_jj_phi", "h_vbf_jj_phi", 100, -3, 3) ;
   TH1F h_vbf_jj_m ("h_vbf_jj_m", "h_vbf_jj_m", 100, 0, 2000) ;


   TH1F h_vbf_aj_pt ("h_vbf_aj_pt", "h_vbf_aj_pt", 100, 0, 500) ;
   TH1F h_vbf_aj_eta ("h_vbf_aj_eta", "h_vbf_aj_eta", 100, -5, 5) ;
   TH1F h_vbf_aj_e ("h_vbf_aj_e", "h_vbf_aj_e", 100, 0, 500) ;
   TH1F h_vbf_aj_phi ("h_vbf_aj_phi", "h_vbf_aj_phi", 100, -3, 3) ;

   TH1F h_vbf_bj_pt ("h_vbf_bj_pt", "h_vbf_bj_pt", 100, 0, 500) ;
   TH1F h_vbf_bj_eta ("h_vbf_bj_eta", "h_vbf_bj_eta", 100, -5, 5) ;
   TH1F h_vbf_bj_e ("h_vbf_bj_e", "h_vbf_bj_e", 100, 0, 500) ;
   TH1F h_vbf_bj_phi ("h_vbf_bj_phi", "h_vbf_bj_phi", 100, -3, 3) ;

   TH1F h_vbf_jj_deta ("h_vbf_jj_deta", "h_vbf_jj_deta", 100, -5, 5) ;
   TH1F h_vbf_jj_dphi ("h_vbf_jj_dphi", "h_vbf_jj_dphi", 100, -3, 3) ;
// W JETS
   TH1F h_vbf_wjj_pt ("h_vbf_wjj_pt", "h_vbf_wjj_pt", 100, 0, 500) ;
   TH1F h_vbf_wjj_eta ("h_vbf_wjj_eta", "h_vbf_wjj_eta", 100, -5, 5) ;
   TH1F h_vbf_wjj_e ("h_vbf_wjj_e", "h_vbf_wjj_e", 100, 0, 500) ;
   TH1F h_vbf_wjj_phi ("h_vbf_wjj_phi", "h_vbf_wjj_phi", 100, -3, 3) ;
   TH1F h_vbf_wjj_m ("h_vbf_wjj_m", "h_vbf_wjj_m", 100, 0, 500) ;

   TH1F h_vbf_waj_pt ("h_vbf_waj_pt", "h_vbf_waj_pt", 100, 0, 500) ;
   TH1F h_vbf_waj_eta ("h_vbf_waj_eta", "h_vbf_waj_eta", 100, -5, 5) ;
   TH1F h_vbf_waj_e ("h_vbf_waj_e", "h_vbf_waj_e", 100, 0, 500) ;
   TH1F h_vbf_waj_phi ("h_vbf_waj_phi", "h_vbf_waj_phi", 100, -3, 3) ;

   TH1F h_vbf_wbj_pt ("h_vbf_wbj_pt", "h_vbf_wbj_pt", 100, 0, 500) ;
   TH1F h_vbf_wbj_eta ("h_vbf_wbj_eta", "h_vbf_wbj_eta", 100, -5, 5) ;
   TH1F h_vbf_wbj_e ("h_vbf_wbj_e", "h_vbf_wbj_e", 100, 0, 500) ;
   TH1F h_vbf_wbj_phi ("h_vbf_wbj_phi", "h_vbf_wbj_phi", 100, -3, 3) ;
   
   TH1F h_vbf_lvjj_pt ("h_vbf_lvjj_pt", "h_vbf_lvjj_pt", 100, 0, 500) ;
   TH1F h_vbf_lvjj_eta ("h_vbf_lvjj_eta", "h_vbf_lvjj_eta", 100, -5, 5) ;
   TH1F h_vbf_lvjj_e ("h_vbf_lvjj_e", "h_vbf_lvjj_e", 100, 0, 500) ;
   TH1F h_vbf_lvj_m ("h_vbf_lvj_m", "h_vbf_lvj_m", 100, 0, 500) ;

   TH1F h_vbf_lvjj_phi ("h_vbf_lvjj_phi", "h_vbf_lvjj_phi", 100, -3, 3) ;
   TH1F h_vbf_lvjj_m ("h_vbf_lvjj_m", "h_vbf_lvjj_m", 100, 0, 1000) ;

   TH1F h_vbf_wjj_deta ("h_vbf_wjj_deta", "h_vbf_wjj_deta", 100, -5, 5) ;
   TH1F h_vbf_wjj_dphi ("h_vbf_wjj_dphi", "h_vbf_wjj_dphi", 100, -3, 3) ;

   TH1F h_vbf_l_pt ("h_vbf_l_pt", "h_vbf_l_pt", 100, 0, 500) ;
   TH1F h_vbf_l_eta ("h_vbf_l_eta", "h_vbf_l_eta", 100, -5, 5) ;
   TH1F h_vbf_l_e ("h_vbf_l_e", "h_vbf_l_e", 100, 0, 500) ;
   TH1F h_vbf_l_phi ("h_vbf_l_phi", "h_vbf_l_phi", 100, -3, 3) ;
   TH1F h_vbf_nu_e ("h_vbf_nu_e", "h_vbf_nu_e", 100, 0, 500) ;

   TH1F h_vbf_l_MET_deltaphi ("h_vbf_l_MET_deltaphi", "h_vbf_l_MET_deltaphi", 100, -3, 3) ;
   TH1F h_vbf_lW_hW_deltaphi ("h_vbf_lW_hW_deltaphi", "h_vbf_lW_hW_deltaphi", 100, -3, 3) ;

   TH1F h_vbf_l_tj1_dR ("vbf_l_tj1_dR", "vbf_l_tj1_dR", 100, 0, 6) ;
   TH1F h_vbf_l_tj2_dR ("vbf_l_tj2_dR", "vbf_l_tj2_dR", 100, 0, 6) ;

   TH1F h_vbf_l_wj1_dR ("vbf_l_wj1_dR", "vbf_l_wj1_dR", 100, 0, 6) ;
   TH1F h_vbf_l_wj2_dR ("vbf_l_wj2_dR", "vbf_l_wj2_dR", 100, 0, 6) ;

   TH1F h_vbf_l_wjj_dR ("vbf_l_wjj_dR", "vbf_l_wjj_dR", 100, 0, 6) ;
   TH1F h_vbf_l_tjj_dR ("vbf_l_tjj_dR", "vbf_l_tjj_dR", 100, 0, 6) ;




	
/*	tmva_t->Branch("vbf_event",&vbf_event, "vbf_event/I");
	tmva_t->Branch("vbf_aj_id",&vbf_aj_id, "vbf_aj_id/I");
	tmva_t->Branch("vbf_bj_id",&vbf_bj_id, "vbf_bj_id/I");
	tmva_t->Branch("vbf_waj_id",&vbf_waj_id, "vbf_waj_id/I");
	tmva_t->Branch("vbf_wbj_id",&vbf_wbj_id, "vbf_wbj_id/I");		
*/


  long ieve = 0 ;
  while ( reader.readEvent() ) 
    {
      if (ieve % 1000 == 0) std::cout << "event " << ieve << "\n" ;
      ++ieve;
      
      std::vector<int> bosons ;      
      vector<pair<int, TLorentzVector> > fs_particles ;  //PG final state particles
      //PG loop over particles in the event
      for (int iPart = 0 ; iPart < reader.hepeup.IDUP.size (); ++iPart)
        {
          //PG outgoing particle          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
              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
                ) ;
//              fs_particles[reader.hepeup.IDUP.at (iPart)] = particle ;            
              fs_particles.push_back (pair<int, TLorentzVector> (reader.hepeup.IDUP.at (iPart), particle)) ;
            } //PG outgoing particle
        } //PG loop over particles in the event

      TLorentzVector Z_cand ;
      TLorentzVector H_cand ;
      vector <TLorentzVector *> Jets ;
      vector <TLorentzVector *> leptons ;
      vector <TLorentzVector *> neutrinos ;
      vector <TLorentzVector *> gluons ;

      for (int iPart = 0 ; iPart < fs_particles.size () ; ++iPart)
	{
//	std::cout<<"  Particle Id  "<<fs_particles.at (iPart).first<<" Pt   "<<(fs_particles.at (iPart).second).Pt()<<std::endl;
	}

      for (int iPart = 0 ; iPart < fs_particles.size () ; ++iPart)
        {
          if (abs (fs_particles.at (iPart).first) < 11) //PG tag Jets
            {
              Jets.push_back (&(fs_particles.at (iPart).second)) ;
              continue ;
            }
          if (abs (fs_particles.at (iPart).first) == 21) //PG gluons
            {
              gluons.push_back (&(fs_particles.at (iPart).second)) ;
              continue ;
            }

          if (abs (fs_particles.at (iPart).first) == 12 ||
              abs (fs_particles.at (iPart).first) == 14)
            {
               neutrinos.push_back (&(fs_particles.at (iPart).second)) ;
            }

          if (abs (fs_particles.at (iPart).first) == 11 ||
              abs (fs_particles.at (iPart).first) == 13)
            {
               leptons.push_back (&(fs_particles.at (iPart).second)) ;
               Z_cand += fs_particles.at (iPart).second ; //PG electron or muon
            }
          H_cand += fs_particles.at (iPart).second ;
        }

      //PG VBF cuts

      sort (Jets.begin (), Jets.end (), mySort ()) ;
      sort (leptons.begin (), leptons.end (), mySort ()) ;
      sort (neutrinos.begin (), neutrinos.end (), mySort ()) ;


	 TLorentzVector vbf_ajp(0,0,0,0), vbf_bjp(0,0,0,0);
         TLorentzVector wjj_ajp(0,0,0,0), wjj_bjp(0,0,0,0); 
         TLorentzVector lep(0,0,0,0), nu(0,0,0,0);

         float best_detatagjj = 0; // float best_mtagjj =0;
         float best_mjj = 0; // float best_mjj =0;

   float vbf_jj_e =-999,   vbf_jj_pt =-999,   vbf_jj_eta=-999,  vbf_jj_phi =-999, vbf_jj_m=-999;   
   float vbf_aj_e =-999,   vbf_aj_pt =-999,   vbf_aj_eta=-999,  vbf_aj_phi =-999;   
   float vbf_bj_e =-999,   vbf_bj_pt =-999,   vbf_bj_eta=-999,  vbf_bj_phi =-999;   
   float vbf_jj_deta=-999; Float_t vbf_jj_dphi=-999; 
    int   vbf_jj_type=0,   vbf_n_excj=0,   vbf_n_exfj=0,   vbf_n_gdjj=0;

   float vbf_wjj_e =-999,   vbf_wjj_pt =-999,   vbf_wjj_eta=-999,  vbf_wjj_phi =-999, vbf_wjj_m=-999;   
   float vbf_waj_e =-999,   vbf_waj_pt =-999,   vbf_waj_eta=-999,  vbf_waj_phi =-999;   
   float vbf_wbj_e =-999,   vbf_wbj_pt =-999,   vbf_wbj_eta=-999,  vbf_wbj_phi =-999;   
   float vbf_wjj_deta=-999; Float_t vbf_wjj_dphi=-999;
   float vbf_lvjj_e =-999,   vbf_lvjj_pt =-999,   vbf_lvjj_eta=-999,  vbf_lvjj_phi =-999, vbf_lvjj_m =-999, vbf_lvj_m=-999;
   float vbf_l_pt =-999,   vbf_l_e =-999,   vbf_l_eta=-999,  vbf_l_phi =-999, vbf_nu_e =-999;

   float vbf_l_MET_deltaphi=-999, vbf_lW_hW_deltaphi=-999,vbf_l_tj1_dR=-999,vbf_l_tj2_dR=-999,vbf_l_wj1_dR=-999,vbf_l_wj2_dR=-999,vbf_l_wjj_dR=-999,vbf_l_tjj_dR=-999;



// 	 float jess 1.0; 
         int   n_excj =0, n_exfj = 0, n_gdjj = 0, jj_type = 0, tag_i_id = -1, tag_j_id = -1, wjj_a_id = -1, wjj_b_id = -1;



         for ( size_t i=0; i < leptons.size(); ++i)
         {
        if ((fabs(leptons.at(i)->Eta()) > 2.5) && (leptons.at(i)->Pt() < 25) ) continue;
            TLorentzVector l;
            l.SetPxPyPzE (leptons.at(i)->Px(), leptons.at(i)->Py(), leptons.at(i)->Pz(), leptons.at(i)->E()
              );
	lep=l;
	}

         for ( size_t i=0; i < neutrinos.size(); ++i)
         {
        if (neutrinos.at(i)->Et() < 25) continue;
            TLorentzVector n;
            n.SetPxPyPzE (neutrinos.at(i)->Px(), neutrinos.at(i)->Py(), neutrinos.at(i)->Pz(), neutrinos.at(i)->E()
              );
	nu=n;
        }



       //method1a A two tag Jets from complete eta region
         for ( size_t i=0; i < Jets.size(); ++i)
         {
        if ((fabs(Jets.at(i)->Eta()) > 4.7 )&& (Jets.at(i)->Pt()<20)) continue;
            TLorentzVector i_p;
            i_p.SetPxPyPzE (Jets.at(i)->Px(), Jets.at(i)->Py(), Jets.at(i)->Pz(), Jets.at(i)->E()
              );
            for (size_t j=i+1; j <Jets.size(); ++j)
            {
        if ((fabs(Jets.at(j)->Eta()) > 4.7) && (Jets.at(i)->Pt()<20))continue;
               TLorentzVector j_p;
            j_p.SetPxPyPzE (Jets.at(j)->Px(), Jets.at(j)->Py(), Jets.at(j)->Pz(), Jets.at(j)->E()
              ) ;
               if ( (Jets.at(i)->Eta()*Jets.at(j)->Eta())>0 )  continue;     // 1.  have to be one forward, one backward
               if ( (fabs(Jets.at(i)->Eta()-Jets.at(j)->Eta())<3.5) || (sqrt ((i_p+j_p).M2()) <500)) continue;// 2.Tag pair delta eta>3.5, Mjj>500
                //cout<<"  "<<sqrt ((i_p+j_p).M2())<<endl;
               // if find more than one combinations
               //if ( (fas(i_Eta-j_Eta)>best_detatagjj) )      // 3   Select best combination with maximum deta Eta
               if ( sqrt((i_p+j_p).M2()) > best_mjj )
               {                          // 3   Select best combination with maximum Mjj because of the bad angular resolution in the HF
                  best_detatagjj = fabs(Jets.at(i)->Eta()-Jets.at(j)->Eta());
                  n_gdjj++;
                  best_mjj = sqrt ((i_p+j_p).M2());
                  tag_i_id = i;
                  tag_j_id = j;
                  vbf_ajp = i_p;
                  vbf_bjp = j_p;
               } //loop to find two tag Jets with highest mjj
           } // over over loop over Nmax-1 reco Jets inside 
       } //loop over Nmax reco Jets 
                if (tag_i_id !=-1 && tag_j_id != -1)
                {
                  vbf_jj_e      = (vbf_ajp+ vbf_bjp).E();
                  vbf_jj_pt     = (vbf_ajp+ vbf_bjp).Pt();
                  vbf_jj_eta    = (vbf_ajp+ vbf_bjp).Eta();
                  vbf_jj_phi    = (vbf_ajp+ vbf_bjp).Phi();
                  vbf_jj_m      = best_mjj;
                  vbf_aj_e      = (vbf_ajp).E();
                  vbf_aj_pt     = (vbf_ajp).Pt();
                  vbf_aj_eta    = (vbf_ajp).Eta();
                  vbf_aj_phi    = (vbf_ajp).Phi();
                  //vbf_aj_m      = (i_p).M();
                  vbf_bj_e      = (vbf_bjp).E();
                  vbf_bj_pt     = (vbf_bjp).Pt();
                  vbf_bj_eta    = (vbf_bjp).Eta();
                  vbf_bj_phi    = (vbf_bjp).Phi();
                 // vbf_bj_m      = (j_p).M();

                  vbf_jj_deta   =vbf_aj_eta-vbf_bj_eta;
                  vbf_jj_dphi   = vbf_aj_phi-vbf_bj_phi;
                  //cout<<"  "<<vbf_jj_dphi<<endl;
        } //loop  
        // method1a B

	if (tag_i_id!=-1&&tag_j_id!=-1) 
	{  
	for ( int k=0; k < (int) Jets.size(); ++k) 
	{ 
        if (fabs(Jets.at(k)->Eta()) > 4.7) continue;
	if ( k!=tag_i_id && k!= tag_j_id && wjj_ajp.Pt()!=0 && wjj_bjp.Pt()==0 ) 
	{
	int Bj = k;  
           wjj_bjp.SetPxPyPzE (Jets.at(Bj)->Px(), Jets.at(Bj)->Py(), Jets.at(Bj)->Pz(), Jets.at(Bj)->E()
              );
         wjj_b_id=Bj;                                                                                       
	}
	if ( k!=tag_i_id&&k!=tag_j_id&&wjj_ajp.Pt()==0 && wjj_bjp.Pt()==0 ) 
	{
	int Aj = k;  
           wjj_ajp.SetPxPyPzE (Jets.at(Aj)->Px(), Jets.at(Aj)->Py(), Jets.at(Aj)->Pz(), Jets.at(Aj)->E()
              );
         wjj_a_id=Aj;                                                                                       
	}
	}// loop over reco Jets upto Nmax                                                     
	} // loop of insuring having allready two tagJets

if ( wjj_a_id!=-1 && wjj_b_id!=-1)
{ 
                    //    two W Jets
                        vbf_wjj_e      = (wjj_ajp+wjj_bjp).E();
                        vbf_wjj_pt     = (wjj_ajp+wjj_bjp).Pt();
                        vbf_wjj_eta    = (wjj_ajp+wjj_bjp).Eta();
                        vbf_wjj_phi    = (wjj_ajp+wjj_bjp).Phi();
                        vbf_wjj_m      = sqrt((wjj_ajp+wjj_bjp).M2());
                        vbf_waj_e      = (wjj_ajp).E();
                        vbf_waj_pt     = (wjj_ajp).Pt();
                        vbf_waj_eta    = (wjj_ajp).Eta();
                        vbf_waj_phi    = (wjj_ajp).Phi();
                        //vbf_waj_m      = (wjj_ajp).M();
                        vbf_wbj_e      = (wjj_bjp).E();
                        vbf_wbj_pt     = (wjj_bjp).Pt();
                        vbf_wbj_eta    = (wjj_bjp).Eta();
                        vbf_wbj_phi    = (wjj_bjp).Phi();
                        vbf_wjj_deta=vbf_waj_eta-vbf_wbj_eta;
                        vbf_wjj_dphi= vbf_waj_phi-vbf_wbj_phi;
}
if (tag_i_id!=-1 && tag_j_id!=-1 && wjj_a_id!=-1 && wjj_b_id!=-1 && lep.Pt()>30.)
	{
        		    vbf_lvjj_e      = (lep+nu+wjj_ajp+wjj_bjp).E();
		            vbf_lvjj_pt     = (lep+nu+wjj_ajp+wjj_bjp).Pt();
        		    vbf_lvjj_eta    = (lep+nu+wjj_ajp+wjj_bjp).Eta();
		            vbf_lvjj_phi    = (lep+nu+wjj_ajp+wjj_bjp).Phi();
		            vbf_lvjj_m      = sqrt((lep+nu+wjj_ajp+wjj_bjp).M2());
                            vbf_lvj_m      = (lep+nu).Mt();
//                            vbf_lvj_m      = sqrt((lep+nu).M2());

                            vbf_l_pt = lep.Pt();
                            vbf_l_eta = lep.Eta();
                            vbf_l_phi = lep.Phi();
                            vbf_l_e = lep.E();

                            vbf_nu_e = nu.Et();

                            vbf_l_MET_deltaphi = getDeltaPhi(vbf_l_phi, nu.Phi());
                            vbf_lW_hW_deltaphi = getDeltaPhi((lep+nu).Phi(), vbf_wjj_phi);

                            vbf_l_tj1_dR = delta_R(vbf_l_eta,vbf_l_phi,vbf_aj_eta,vbf_aj_phi);
                            vbf_l_tj2_dR = delta_R(vbf_l_eta,vbf_l_phi,vbf_bj_eta,vbf_bj_phi);

                            vbf_l_wj1_dR = delta_R(vbf_l_eta,vbf_l_phi,vbf_waj_eta,vbf_waj_phi);
                            vbf_l_wj2_dR = delta_R(vbf_l_eta,vbf_l_phi,vbf_wbj_eta,vbf_wbj_phi);

                            vbf_l_tjj_dR = delta_R(vbf_aj_eta,vbf_aj_phi, vbf_bj_eta,vbf_bj_phi);
                            vbf_l_wjj_dR = delta_R(vbf_waj_eta,vbf_waj_phi, vbf_wbj_eta,vbf_wbj_phi);

	}

      double tj_dEta = fabs (Jets.at (0)->Eta () - Jets.at (1)->Eta ()) ; 
      h_deta.Fill (tj_dEta) ; 
      h_j1eta.Fill (Jets.at (0)->Eta ()) ;
      h_j2eta.Fill (Jets.at (1)->Eta ()) ;
      h_j1pt.Fill (Jets.at (0)->Pt ()) ;
      h_j2pt.Fill (Jets.at (1)->Pt ()) ;

        if (tag_i_id!=-1 && tag_j_id!=-1 && wjj_a_id!=-1 && wjj_b_id!=-1 && vbf_aj_pt>30. && vbf_bj_pt>30. && vbf_waj_pt>30. && vbf_wbj_pt>30 && vbf_wjj_m>30. && vbf_lvj_m>30. && vbf_l_pt>30. && vbf_nu_e >30); 
{
	h_vbf_jj_pt.Fill(vbf_jj_pt);
        h_vbf_jj_eta.Fill(vbf_jj_eta);
        h_vbf_jj_phi.Fill(vbf_jj_phi);
        h_vbf_jj_e.Fill(vbf_jj_e);
        h_vbf_jj_m.Fill(vbf_jj_m);


        h_vbf_aj_pt.Fill(vbf_aj_pt);
        h_vbf_aj_eta.Fill(vbf_aj_eta);
        h_vbf_aj_phi.Fill(vbf_aj_phi);
        h_vbf_aj_e.Fill(vbf_aj_e);

        h_vbf_bj_pt.Fill(vbf_bj_pt);
        h_vbf_bj_eta.Fill(vbf_bj_eta);
        h_vbf_bj_phi.Fill(vbf_bj_phi);
        h_vbf_bj_e.Fill(vbf_bj_e);

        h_vbf_jj_deta.Fill(vbf_jj_deta);
        h_vbf_jj_dphi.Fill(vbf_jj_dphi);

        h_vbf_wjj_pt.Fill(vbf_wjj_pt);
        h_vbf_wjj_eta.Fill(vbf_wjj_eta);
        h_vbf_wjj_phi.Fill(vbf_wjj_phi);
        h_vbf_wjj_e.Fill(vbf_wjj_e);
        h_vbf_wjj_m.Fill(vbf_wjj_m);

        h_vbf_waj_pt.Fill(vbf_waj_pt);
        h_vbf_waj_eta.Fill(vbf_waj_eta);
        h_vbf_waj_phi.Fill(vbf_waj_phi);
        h_vbf_waj_e.Fill(vbf_waj_e);

        h_vbf_wbj_pt.Fill(vbf_wbj_pt);
        h_vbf_wbj_eta.Fill(vbf_wbj_eta);
        h_vbf_wbj_phi.Fill(vbf_wbj_phi);
        h_vbf_wbj_e.Fill(vbf_wbj_e);

        h_vbf_wjj_deta.Fill(vbf_wjj_deta);
        h_vbf_wjj_dphi.Fill(vbf_wjj_dphi);

        h_vbf_lvjj_pt.Fill(vbf_lvjj_pt);
        h_vbf_lvjj_eta.Fill(vbf_lvjj_eta);
        h_vbf_lvjj_phi.Fill(vbf_lvjj_phi);
        h_vbf_lvjj_e.Fill(vbf_lvjj_e);
        h_vbf_lvjj_m.Fill(vbf_lvjj_m);
        h_vbf_lvj_m.Fill(vbf_lvj_m);

        h_vbf_l_pt.Fill(vbf_l_pt);
        h_vbf_l_eta.Fill(vbf_l_eta);
        h_vbf_l_phi.Fill(vbf_l_phi);
        h_vbf_l_e.Fill(vbf_l_e);
        h_vbf_nu_e.Fill(vbf_nu_e);

    h_vbf_l_MET_deltaphi.Fill(vbf_l_MET_deltaphi); 
    h_vbf_lW_hW_deltaphi.Fill(vbf_lW_hW_deltaphi); 
    h_vbf_l_tj1_dR.Fill(vbf_l_tj1_dR); 
    h_vbf_l_tj2_dR.Fill(vbf_l_tj2_dR); 
    h_vbf_l_wj1_dR.Fill(vbf_l_wj1_dR); 
    h_vbf_l_wj1_dR.Fill(vbf_l_wj1_dR); 
    h_vbf_l_wjj_dR.Fill(vbf_l_wjj_dR); 
    h_vbf_l_tjj_dR.Fill(vbf_l_tjj_dR); 


}

      for (int k = 0 ; k < Jets.size () ; ++k) h_jeta.Fill (Jets.at (k)->Eta ()) ;
      if (gluons.size () > 0) h_jeta.Fill (gluons.at (0)->Eta ()) ;
        

    } // Now loop over all events

//  TFile histosFile ("cuts_phantom_lheAnalysis_.root","recreate") ;
  TFile histosFile ("unweighted_500Kevents_VBFcuts.root","recreate") ;

//  TFile histosFile ("cuts_Madgraph_lheAnalysis_.root","recreate") ;
//  TFile histosFile ("cuts_vbfnlo_lheAnalysis_.root","recreate") ;


  histosFile.cd () ;
  h_deta.Write () ;
  h_j1eta.Write () ;
  h_j2eta.Write () ;
  h_jeta.Write () ;
  h_j1pt.Write () ;
  h_j2pt.Write () ;

  h_vbf_jj_pt.Write ();
  h_vbf_jj_eta.Write ();
  h_vbf_jj_phi.Write ();
  h_vbf_jj_e.Write ();
  h_vbf_jj_m.Write ();

  h_vbf_aj_pt.Write ();
  h_vbf_aj_eta.Write ();
  h_vbf_aj_phi.Write ();
  h_vbf_aj_e.Write ();

  h_vbf_bj_pt.Write ();
  h_vbf_bj_eta.Write ();
  h_vbf_bj_phi.Write ();
  h_vbf_bj_e.Write ();

  h_vbf_jj_deta.Write ();
  h_vbf_jj_dphi.Write ();

  h_vbf_wjj_pt.Write ();
  h_vbf_wjj_eta.Write ();
  h_vbf_wjj_phi.Write ();
  h_vbf_wjj_e.Write ();
  h_vbf_wjj_m.Write ();

  h_vbf_waj_pt.Write ();
  h_vbf_waj_eta.Write ();
  h_vbf_waj_phi.Write ();
  h_vbf_waj_e.Write ();

  h_vbf_wbj_pt.Write ();
  h_vbf_wbj_eta.Write ();
  h_vbf_wbj_phi.Write ();
  h_vbf_wbj_e.Write ();

  h_vbf_lvjj_pt.Write ();
  h_vbf_lvjj_eta.Write ();
  h_vbf_lvjj_phi.Write ();
  h_vbf_lvjj_e.Write ();
  h_vbf_lvjj_m.Write ();
  h_vbf_lvj_m.Write ();

  h_vbf_l_pt.Write();
  h_vbf_l_eta.Write();
  h_vbf_l_phi.Write();
  h_vbf_l_e.Write();
  h_vbf_nu_e.Write();
  h_vbf_l_MET_deltaphi.Write();
  h_vbf_lW_hW_deltaphi.Write();
  h_vbf_l_tj1_dR.Write();
  h_vbf_l_tj2_dR.Write();
  h_vbf_l_wj1_dR.Write();
  h_vbf_l_wj1_dR.Write();
  h_vbf_l_wjj_dR.Write();
  h_vbf_l_tjj_dR.Write();

  h_vbf_wjj_deta.Write ();
  h_vbf_wjj_dphi.Write ();


  histosFile.Close () ;

  return ;
}
示例#3
0
void fillHistos (std::string fileName, TNtuple & ntuple)
{
  std::ifstream ifs (fileName.c_str ()) ;
  LHEF::Reader reader (ifs) ;

  long ieve = 0 ;
  double jetsNum = 0. ;
  
  // loop over events
  while ( reader.readEvent () ) 
    {
      ++ieve;
      if (ieve % 10000 == 0) std::cout << "event " << ieve << "\n" ;
  
      std::vector<int> finalJets ;      
      std::vector<int> initialQuarks ;      
      //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" ;

          //PG incoming particle          
          if (reader.hepeup.ISTUP.at (iPart) == -1)
            {
              initialQuarks.push_back (iPart) ;
            } //PG incoming particle          

          //PG outgoing particles          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
              //PG quarks
              if (abs (reader.hepeup.IDUP.at (iPart)) < 7 ||
                  reader.hepeup.IDUP.at (iPart) == 21)
                {
                  finalJets.push_back (iPart) ;
                }

            } //PG outgoing particles
        } //PG loop over particles in the event

      jetsNum += finalJets.size () ;
      if (finalJets.size () < 2) continue ;

      //PG build the two quarks
      TLorentzVector fquark0
        (
          reader.hepeup.PUP.at (finalJets.at (0)).at (0), //PG px
          reader.hepeup.PUP.at (finalJets.at (0)).at (1), //PG py
          reader.hepeup.PUP.at (finalJets.at (0)).at (2), //PG pz
          reader.hepeup.PUP.at (finalJets.at (0)).at (3) //PG E
        ) ;
      
      TLorentzVector fquark1
        (
          reader.hepeup.PUP.at (finalJets.at (1)).at (0), //PG px
          reader.hepeup.PUP.at (finalJets.at (1)).at (1), //PG py
          reader.hepeup.PUP.at (finalJets.at (1)).at (2), //PG pz
          reader.hepeup.PUP.at (finalJets.at (1)).at (3) //PG E
        ) ;
      //PG the sum pf the two quarks
      TLorentzVector vCand = fquark0 + fquark1 ;
       ntuple.Fill (
           vCand.M () ,
           fabs (fquark0.Eta () - fquark1.Eta ()) ,
           fquark0.DeltaR (fquark1) ,
           fabs (fquark0.DeltaPhi (fquark1)) 
         ) ;
   
      //PG sort the two quarks in pt 
      TLorentzVector fquarkMax, fquarkMin ;
      if (fquark0.Perp () > fquark1.Perp ()) 
        {
          fquarkMax = fquark0 ;
          fquarkMin = fquark1 ;
        }
      else
        { 
          fquarkMax = fquark1 ;
          fquarkMin = fquark0 ;
        }

    } // loop over events
  std::cout << jetsNum/ieve << " in " << fileName << std::endl ;

}
示例#4
0
int main(int argc, char *argv[])
{
  char appName[] = "ExRootLHEFConverter";

  if(argc != 4)
  {
    cout << " Usage: " << appName << " input_file" << " outOnPeak_file" << " outOffPeak_file" <<endl;
    cout << " input_file - input file in LHEF format," << endl;
    cout << " outOnPeak_file - output file with m(H) <140 GeV." << endl;
    cout << " outOffPeak_file - output file with m(H) >=140 GeV." << endl;
    return 1;
  }

  gROOT->SetBatch();

  int appargc = 1;
  char *appargv[] = {appName};
  TApplication app(appName, &appargc, appargv);

  // Open a stream connected to an event file:
  ifstream inputFileStream(argv[1]);

  // Create the Reader object:
  LHEF::Reader *inputReader = new LHEF::Reader(inputFileStream);

  ofstream onPeakFile(argv[2]);
  ofstream offPeakFile(argv[3]);
  LHEF::Writer *onPeakWriter = new LHEF::Writer(onPeakFile);
  LHEF::Writer *offPeakWriter = new LHEF::Writer(offPeakFile);
  onPeakWriter->heprup = inputReader->heprup;
  offPeakWriter->heprup = inputReader->heprup;
  onPeakWriter->init();
  offPeakWriter->init();
  //TFile *outputFile = TFile::Open(argv[2], "RECREATE");
  //ExRootTreeWriter *treeWriter = new ExRootTreeWriter(outputFile, "LHEF");

  // generated event from LHEF
  //ExRootTreeBranch *branchEvent = treeWriter->NewBranch("Event", TRootLHEFEvent::Class());

  // generated partons from LHEF
 // ExRootTreeBranch *branchParticle = treeWriter->NewBranch("Particle", TRootLHEFParticle::Class());

  cout << "** Calculating number of events to process. Please wait..." << endl;
  Long64_t allEntries = inputReader->getNumberOfEvents();
  cout << "** Input file contains " << allEntries << " events" << endl;

  if(allEntries > 0)
  {
    ExRootProgressBar progressBar(allEntries);
    
    // Loop over all events
    Long64_t entry = 0;
    while(inputReader->readEvent())
    {
      //treeWriter->Clear();

      AnalyseEvent(inputReader, entry + 1);
      //AnalyseEvent(inputReader, branchEvent, entry + 1);
      if( AnalyseParticles(inputReader ) == 1)
      {
        offPeakWriter->hepeup = inputReader->hepeup;
        offPeakWriter->writeEvent();
      }else{
        onPeakWriter->hepeup = inputReader->hepeup;
        onPeakWriter->writeEvent();
      }
      //AnalyseParticles(inputReader, branchParticle);


      //treeWriter->Fill();

      progressBar.Update(entry);

      ++entry;
    }

    progressBar.Finish();
  }

  //treeWriter->Write();

  cout << "** Exiting..." << endl;

  //delete treeWriter;
  //delete outputFile;
  delete inputReader;
  delete onPeakWriter;
  delete offPeakWriter;
  onPeakFile.close();
  offPeakFile.close();
  inputFileStream.close();
}
示例#5
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 ;
}
示例#6
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 ;
}
示例#7
0
map<string, TH1F *>
readSample (string sampleName, string radice, int maxevents = -1)
{
  cout << "reading " << sampleName << endl ;
  std::ifstream ifs (sampleName.c_str ()) ;
  LHEF::Reader reader (ifs) ;
  
  map<string, TH1F *> histos ;

  TH1F * h_initPart   = addHistoToMap (histos, string ("initPart_")   + radice, 25, -22.5, 22.5) ;
                      
  TH1F * h_vbf0_eta   = addHistoToMap (histos, string ("vbf0_eta_")   + radice, 20, -6, 6) ;
  TH1F * h_vbf0_pt    = addHistoToMap (histos, string ("vbf0_pt_")    + radice, 20, 0, 400) ;
  TH1F * h_vbf0_phi   = addHistoToMap (histos, string ("vbf0_phi_")   + radice, 15, -3.14, 3.14) ;
                                                                     
  TH1F * h_vbf1_eta   = addHistoToMap (histos, string ("vbf1_eta_")   + radice, 20, -6, 6) ;
  TH1F * h_vbf1_pt    = addHistoToMap (histos,  string ("vbf1_pt_")   + radice, 12, 0, 250) ;
  TH1F * h_vbf1_phi   = addHistoToMap (histos, string ("vbf1_phi_")   + radice, 15, -3.14, 3.14) ;
                      
  TH1F * h_lep0_eta   = addHistoToMap (histos, string ("lep0_eta_")   + radice, 20, -6, 6) ;
  TH1F * h_lep0_pt    = addHistoToMap (histos, string ("lep0_pt_")    + radice, 10, 0, 400) ;
  TH1F * h_lep0_phi   = addHistoToMap (histos, string ("lep0_phi_")   + radice, 15, -3.14, 3.14) ;                                                                    
                      
  TH1F * h_lep1_eta   = addHistoToMap (histos, string ("lep1_eta_")   + radice, 20, -6, 6) ;
  TH1F * h_lep1_pt    = addHistoToMap (histos, string ("lep1_pt_")    + radice, 12, 0, 250) ;
  TH1F * h_lep1_phi   = addHistoToMap (histos, string ("lep1_phi_")   + radice, 15, -3.14, 3.14) ;
                                                                     
  TH1F * h_met_eta    = addHistoToMap (histos, string ("met_eta_")    + radice, 20, -6, 6) ;
  TH1F * h_met_pt     = addHistoToMap (histos, string ("met_pt_")     + radice, 12, 0, 250) ;
  TH1F * h_met_phi    = addHistoToMap (histos, string ("met_phi_")    + radice, 15, -3.14, 3.14) ;
                                                                     
  TH1F * h_dphijj_vbf = addHistoToMap (histos, string ("dphijj_vbf_") + radice, 8, 0, 3.14) ;
  TH1F * h_mjj_vbf    = addHistoToMap (histos, string ("mjj_vbf_")    + radice, 12, 0, 2500) ;
  TH1F * h_NJ         = addHistoToMap (histos, string ("NJ_")         + radice, 5, 0, 5) ;
                      
  TH1F * h_mll        = addHistoToMap (histos, string ("mll_")        + radice, 12, 0, 2500) ;
  TH1F * h_m4l        = addHistoToMap (histos, string ("m4l_")        + radice, 20, 0, 2275) ;
    
  int ieve = 0 ;
  int btagged = 0 ;
  int selected = 0 ;
  // loop over events
  while ( reader.readEvent () ) 
    {
      if (ieve % 10000 == 0) std::cout << "event " << ieve << "\n" ;
      if (maxevents > 0 && ieve >= maxevents) break ;
      ++ieve;
  
      vector<int> initialParticlesPDGId ;      
      vector<TLorentzVector> finalLeptons ;      
      vector<TLorentzVector> finalNeutrinos ;      
      vector<TLorentzVector> initialQuarks ;      
      vector<TLorentzVector> finalJets ;      
      vector<TLorentzVector> finalBs ;      
      
      int leptonsIDproduct = 1 ;

      //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" ;

          //PG incoming particle          
          if (reader.hepeup.ISTUP.at (iPart) == -1)
            {
              initialParticlesPDGId.push_back (reader.hepeup.IDUP.at (iPart)) ;
              initialQuarks.push_back (TLorentzVector
                (
                  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          

          //PG outgoing particles          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
              // jets  
              if (abs (reader.hepeup.IDUP.at (iPart)) < 7 ||  // quarks
                  abs (reader.hepeup.IDUP.at (iPart)) == 21 ) // gluons
                {
                  finalJets.push_back (TLorentzVector
                    (
                      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
                    )) ;
                  if (abs (reader.hepeup.IDUP.at (iPart)) == 5)  // b's
                    {
                      finalBs.push_back (TLorentzVector
                        (
                          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
                        )) ;
                    } // b's
                } // jets
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 11 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 13 ) // charged leptons
                {
                  leptonsIDproduct *= reader.hepeup.IDUP.at (iPart) ;
                  finalLeptons.push_back (TLorentzVector
                    (
                      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 charged leptons
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 12 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 14 ) // neutrinos
                {
                  finalNeutrinos.push_back (TLorentzVector
                    (
                      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
                    )) ;
                } // neutrinos

            } //PG outgoing particles
        } //PG loop over particles in the event

      if (initialParticlesPDGId.size () != 2) exit (1) ; 

      if (finalJets.size () != 2) continue ;
      if (finalNeutrinos.size () != 2) continue ;
      if (finalLeptons.size () != 2) continue ;

//      if (fabs (initialParticlesPDGId.at (0)) > 4) continue ;
//      if (fabs (initialParticlesPDGId.at (1)) > 4) continue ;

      // the following remove events with guons as initial particles
//      if (fabs (initialParticlesPDGId.at (0)) > 6) continue ;
//      if (fabs (initialParticlesPDGId.at (1)) > 6) continue ;
      
      sort (finalJets.rbegin (), finalJets.rend (), ptSort ()) ;
      if (finalJets.at (0).Pt () < 20) continue ;
      if (finalJets.at (1).Pt () < 20) continue ;
      if (finalJets.at (0).E () < 20) continue ;
      if (finalJets.at (1).E () < 20) continue ;
      if (fabs (finalJets.at (0).Eta ()) > 6.5) continue ;
      if (fabs (finalJets.at (1).Eta ()) > 6.5) continue ;

      sort (finalLeptons.rbegin (), finalLeptons.rend (), ptSort ()) ;
      if (finalLeptons.at (0).Pt () < 20) continue ;
      if (finalLeptons.at (1).Pt () < 20) continue ;
      if (finalLeptons.at (0).E () < 20) continue ;
      if (finalLeptons.at (1).E () < 20) continue ;
      if (fabs (finalLeptons.at (0).Eta ()) > 4) continue ;
      if (fabs (finalLeptons.at (1).Eta ()) > 4) continue ;

      TLorentzVector tl_diJet = finalJets.at (0) + finalJets.at (1) ;
      float mjj = tl_diJet.M () ;
      if (mjj < 300) continue ;
      if (fabs (finalJets.at (0).Eta () - finalJets.at (1).Eta ()) < 2) continue ;
      float m4l = (finalNeutrinos.at (0) + finalLeptons.at (0) + finalLeptons.at (1) + finalNeutrinos.at (0)).M () ;
      if (m4l < 130) continue ;

      TLorentzVector tl_met = finalNeutrinos.at (0) + finalNeutrinos.at (1) ;
      h_met_eta->Fill (tl_met.Eta ()) ;            
      h_met_phi->Fill (tl_met.Phi ()) ;            
      h_met_pt-> Fill (tl_met.Pt ()) ;        

      TLorentzVector tl_diLepton = finalLeptons.at (0) + finalLeptons.at (1) ;
      float mll = tl_diLepton.M () ;
 
      // end of pre-selections
      
      if (mjj < 625) continue ;
      if (fabs (finalJets.at (0).Eta () - finalJets.at (1).Eta ()) < 2.5) continue ;
      if (mll < 40) continue ;
      if (mll > 81 && mll < 101) continue ;
      if (tl_met.Pt () < 40) continue ;
      if (fabs (finalLeptons.at (0).Eta () - finalLeptons.at (1).Eta ()) > 2) continue ;
      float etamin = min (finalJets.at (0).Eta (), finalJets.at (1).Eta ()) ;
      float etamax = max (finalJets.at (0).Eta (), finalJets.at (1).Eta ()) ;
      for (int i = 0 ; i < finalLeptons.size () ; ++i)
        {
          if (finalLeptons.at (i).Eta () > etamax) continue ;
          if (finalLeptons.at (i).Eta () < etamin) continue ;
        }      
      if (tl_diLepton.DeltaR (tl_diJet) > 6) continue ;

      // end of analysis-like selection

      int countBs = 0 ;
      for (int i = 0 ; i < finalBs.size () ; ++i) 
        if (fabs (finalBs.at (i).Eta ()) < 2.5) ++countBs ;

      if (countBs > 0) continue ;
      // end of selections

      ++selected ;      
      h_NJ->Fill (finalJets.size ()) ;
//      cout << "Njs = " << finalJets.size () << "\n" ;
//      cout << "pts: " 
//           << finalJets.at (0).Pt () 
//           << "\t"
//           << finalJets.at (1).Pt () 
//           << "\n" ;

      for (int i = 0 ; i < initialParticlesPDGId.size () ; ++i)
        h_initPart->Fill (initialParticlesPDGId.at (i)) ;
      
      h_vbf0_eta->Fill (finalJets.at (0).Eta ()) ;            
      h_vbf0_phi->Fill (finalJets.at (0).Phi ()) ;            
      h_vbf0_pt-> Fill (finalJets.at (0).Pt ()) ;        

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

      h_lep0_eta->Fill (finalLeptons.at (0).Eta ()) ;            
      h_lep0_phi->Fill (finalLeptons.at (0).Phi ()) ;            
      h_lep0_pt-> Fill (finalLeptons.at (0).Pt ()) ;        

      h_lep1_eta->Fill (finalLeptons.at (1).Eta ()) ;            
      h_lep1_phi->Fill (finalLeptons.at (1).Phi ()) ;            
      h_lep1_pt-> Fill (finalLeptons.at (1).Pt ()) ;        

      h_mjj_vbf->Fill (mjj) ;
      h_mll->Fill (mll) ;
      h_m4l->Fill (m4l) ;
      h_dphijj_vbf->Fill (deltaPhi (finalJets.at (0).Phi (), finalJets.at (1).Phi ())) ;
    } // loop over events
  cout << "total eff  : " << selected * 1./ieve << endl ;
  return histos ;
}
示例#8
0
double 
fillHistos (LHEF::Reader & reader, histos & Histos, double XS, double referenceScale = 0, int max = -1)
{
  double totalCount = 0. ;
  int events = 0 ;
   
  //PG loop over input events
  while (reader.readEvent ()) 
    {
//      if ( reader.outsideBlock.length() ) std::cout << reader.outsideBlock;

      if (events % 10000 == 0) cout << "reading " << events << " event" << endl ;
          
      vector<lorentzVector> v_f_Ws ;
      vector<lorentzVector> v_f_quarks ;
      vector<lorentzVector> v_f_leptons ;
      vector<lorentzVector> v_f_neutrinos ;
      
      double x[2] = {0., 0.} ;
      int flavour[2] = {0, 0} ;

      // loop over particles in the event
      for (int iPart = 0 ; iPart < reader.hepeup.IDUP.size (); ++iPart) 
        {
          lorentzVector dummy = buildLP (reader.hepeup, iPart) ;

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

          // intermediate particles          
          if (reader.hepeup.ISTUP.at (iPart) == 2)
            {
              if (abs (reader.hepeup.IDUP.at (iPart)) == 24) 
                {
                  v_f_Ws.push_back (dummy) ;
                }              
            } // intermediate particles
            
          // outgoing particles          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
           // quarks
           if (abs (reader.hepeup.IDUP.at (iPart)) < 7) 
             {
               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)
             {
               v_f_leptons.push_back (dummy) ;
             }
           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

//      if (totalCount < 10) cout << "PARTICLES " <<  v_f_leptons.size () << "\t" << v_f_neutrinos.size () << "\t" << v_f_quarks.size () << "\n" ;

      double weight = 1. ;
      float scale = reader.hepeup.SCALUP ;
      if (referenceScale != 0 )
        weight = LHAPDF::xfx (x[0], referenceScale, flavour[0]) * LHAPDF::xfx (x[1], referenceScale, flavour[1]) /
                 (LHAPDF::xfx (x[0], scale, flavour[0]) * LHAPDF::xfx (x[1], scale, flavour[1])) ;
      totalCount += weight ;

      int warnNum = 0 ;
      if (v_f_quarks.size () < 4)
        {
          cout << "warning, not enough quarks" << endl ;
          ++warnNum ;
        }
      if (v_f_leptons.size () < 1)
        {
          cout << "warning, not enough leptons" << endl ;
          ++warnNum ;
        }
      if (v_f_neutrinos.size () < 1)
        {
          cout << "warning, not enough neutrinos" << endl ;
          ++warnNum ;
        }
      if (warnNum > 0) continue ;

      //PG apply all the production cuts from phantom and madgraph to the sample
      //PG ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 
      
      if (v_f_leptons.at (0).Pt () < 20) continue ;
      if (v_f_leptons.at (0).E () < 20) continue ;
      if (fabs (v_f_leptons.at (0).Eta ()) > 3) continue ;
      if (fabs (v_f_neutrinos.at (0).Pt ()) < 20) continue ;
      int cont = 0 ;
      for (int i = 0 ; i < 4 ; ++i) 
        if (v_f_quarks.at (i).Pt () > 20 && 
            v_f_quarks.at (i).E () > 20 && 
            fabs (v_f_quarks.at (i).Eta ()) < 6.5) cont += 1 ;
      if (cont < 4) continue ;
      
      pair<int, int> detaIndices = findPairWithLargestDeta (v_f_quarks) ;
      if (v_f_quarks.at (detaIndices.second).Eta () - v_f_quarks.at (detaIndices.first).Eta () < 2) continue ;
      lorentzVector largestPair = v_f_quarks.at (detaIndices.second) + v_f_quarks.at (detaIndices.first) ;
      if (largestPair.M () < 100) continue ; //PG selection applied in phantom

      cont = 0 ;
      for (int iJ = 0 ; iJ < 4 ; ++iJ)
        for (int iJ2 = iJ + 1 ; iJ2 < 4 ; ++iJ2)
          {
//            if (v_f_quarks.at (iJ).DeltaR (v_f_quarks.at (iJ2)) < 0.4) 
//              {
//                cont = 1 ;
//                break ;
//              }
            lorentzVector thisPair = v_f_quarks.at (iJ) + v_f_quarks.at (iJ2) ;
            if (thisPair.M () < 30)  
              {
                cont = 1 ;
                break ;
              }
          }
      if (cont == 1) continue ;

      cont = 0 ;
      for (int iJ = 0 ; iJ < 4 ; ++iJ)
        {
          if (deltaR2<lorentzVector> (v_f_quarks.at (iJ), v_f_leptons.at (0)) < 0.16) cont = 1 ;
        }
      if (cont == 1) continue ;

      //PG the first two are the VBF jets, the following ones the W jets
//      sort (v_f_quarks.rbegin (), v_f_quarks.rend (), ptsort ()) ;  
      
//      pair<int, int> Wpair (2, 3) ;
      pair<int, int> Wpair = findPairWithWMass (v_f_quarks) ;

      if (Wpair.first > 3 || Wpair.second > 3)
        {
          cout << "warning, wrong quarks in W determination\n" ;
        }

      lorentzVector total = (v_f_leptons.at (0) + v_f_neutrinos.at (0)) + 
                             (v_f_quarks.at (Wpair.first) + v_f_quarks.at (Wpair.second)) ;

      //PG the scale:
      Histos.m_h_scale->Fill (scale) ;

      Histos.m_h_MWW->Fill (total.M (), weight) ;
      ++events ;
      if (max > 0 && max < events) 
        {
          cout << max << " events reached, exiting" << endl ;
          break ;
        }

    } //PG loop over input events

  Histos.norm (totalCount) ;

  return totalCount ;
  
}
示例#9
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 ;
}
示例#10
0
////////////////////////////////////
//     M      A     I     N      //
///////////////////////////////////
int main(int argc, char **argv)
{

  bool verbose = true;
  bool higgsDecay = true;

  // Define tree to fill
  TFile file(argv[2],"RECREATE");
  TTree* tree = new TTree("tree","tree");

  float mZ, mH, mVH, mT; //masses
  float costheta1, costheta2, costhetastar, phi, phi1; //angles
  float rapidityVH;
  int isLeptonic;
  int isUpTypeQuark;
  int passEta;
  int isWplus;  
  int decayMode;
  float b0_e, b0_eta, b0_phi, b0_pt;
  float b1_e, b1_eta, b1_phi, b1_pt;
  float f0_e, f0_eta, f0_phi, f0_pt;
  float f1_e, f1_eta, f1_phi, f1_pt;
  float V_e, V_eta, V_phi, V_pt;
  float H_e, H_eta, H_phi, H_pt;
  //float VH_e, VH_eta, VH_phi, VH_pt;


  tree->Branch("b0_e",   &b0_e,   "b0_e/F");
  tree->Branch("b0_eta", &b0_eta, "b0_eta/F");
  tree->Branch("b0_phi", &b0_phi, "b0_phi/F");
  tree->Branch("b0_pt",  &b0_pt,  "b0_pt/F");
  tree->Branch("b1_e",   &b1_e,   "b1_e/F");
  tree->Branch("b1_eta", &b1_eta, "b1_eta/F");
  tree->Branch("b1_phi", &b1_phi, "b1_phi/F");
  tree->Branch("b1_pt",  &b1_pt,  "b1_pt/F");
  tree->Branch("f0_e",   &f0_e,   "f0_e/F");
  tree->Branch("f0_eta", &f0_eta, "f0_eta/F");
  tree->Branch("f0_phi", &f0_phi, "f0_phi/F");
  tree->Branch("f0_pt",  &f0_pt,  "f0_pt/F");
  tree->Branch("f1_e",   &f1_e,   "f1_e/F");
  tree->Branch("f1_eta", &f1_eta, "f1_eta/F");
  tree->Branch("f1_phi", &f1_phi, "f1_phi/F");
  tree->Branch("f1_pt",  &f1_pt,  "f1_pt/F");
  tree->Branch("V_e",    &V_e,   "V_e/F");
  tree->Branch("V_eta",  &V_eta, "V_eta/F");
  tree->Branch("V_phi",  &V_phi, "V_phi/F");
  tree->Branch("V_pt",   &V_pt,  "V_pt/F");
  tree->Branch("H_e",    &H_e,   "H_e/F");
  tree->Branch("H_eta",  &H_eta, "H_eta/F");
  tree->Branch("H_phi",  &H_phi, "H_phi/F");
  tree->Branch("H_pt",   &H_pt,  "H_pt/F");
  //tree->Branch("VH_e",   &VH_e,   "VH_e/F");
  //tree->Branch("VH_eta", &VH_eta, "VH_eta/F");
  //tree->Branch("VH_phi", &VH_phi, "VH_phi/F");
  //tree->Branch("VH_pt",  &VH_pt,  "VH_pt/F");
  tree->Branch("mT",     &mT,     "mT/F");
  tree->Branch("mZ",     &mZ,     "mZ/F");
  tree->Branch("mH",     &mH,     "mH/F");
  tree->Branch("mVH",    &mVH,    "mVH/F");
  tree->Branch("costheta1",    &costheta1,    "costheta1/F");
  tree->Branch("costheta2",    &costheta2,    "costheta2/F");
  tree->Branch("costhetastar", &costhetastar, "costhetastar/F");
  tree->Branch("phi",          &phi,          "phi/F");
  tree->Branch("phi1",         &phi1,         "phi1/F");
  tree->Branch("rapidityVH",   &rapidityVH,   "rapidityVH/F");
  tree->Branch("isLeptonic",   &isLeptonic,   "isLeptonic/I");
  tree->Branch("isUpTypeQuark",&isUpTypeQuark,"isUpTypeQuark/I");
  tree->Branch("passEta",      &passEta,      "passEta/I");
  tree->Branch("isWplus",      &isWplus,      "isWplus/I");
  tree->Branch("decayMode",    &decayMode,    "decayMode/I");
  //Zee=0, Zmm=1, Ztt=2, Zuu=3, Zcc=4, Zdd=5, Zss=6, Zbb=7
  //Wen=8, Wmn=9, Wtn=10, Wud=11, Wcs=12
  //Znene=13, Znmnm=14, Zntnt=15

  // Reader object
  cout << "Creating reader object for input LHE file " << argv[1] << endl;
  std::ifstream ifsLHE (argv[1]) ;
  LHEF::Reader lheReader (ifsLHE) ;

  // Loop over events
  int eventCount = 0;
  int hadronicWCount = 0;
  int leptonicWCount = 0;
  int hadronicZCount = 0;
  int leptonicZCount = 0;
  int BR_Zee=0, BR_Zmm=0, BR_Ztt=0, BR_Znn=0, BR_Zuu=0, BR_Zcc=0, BR_Zdd=0, BR_Zss=0, BR_Zbb=0;
  int BR_Wen=0, BR_Wmn=0, BR_Wtn=0, BR_Wud=0, BR_Wcs=0;
  int BR_Znene=0, BR_Znmnm=0, BR_Zntnt=0;

  while ( lheReader.readEvent() ) 
    {
      eventCount++;
      if (eventCount % 100000 == 0 && verbose) std::cout << "Event " << eventCount << "\n" ;

      //Sanity check on number of particles
      if( higgsDecay==1 && lheReader.hepeup.IDUP.size() != 8 ) 
	{
	  cout << "Error! Expected 8 particles in the event but got " << lheReader.hepeup.IDUP.size() << endl;
	  return 0;
	}
      else if( higgsDecay==0 && lheReader.hepeup.IDUP.size() != 6 ) 
	{
	  cout << "Error! Expected 6 particles in the event but got " << lheReader.hepeup.IDUP.size() << endl;
	  return 0;
	}


      // Indices for particles of interest
      int i_f0 = -1; //final fermion particle
      int i_f1 = -1; //final fermion antiparticle 
      int i_b0 = -1; //final b particle
      int i_b1 = -1; //final b antiparticle 
      int i_H  = -1; //intermediate higgs 
      int i_V  = -1; //intermediate V  

      bool VisZ = false;
      bool VisW = false;
      decayMode = -1;
      
      std::vector<int> finalFermions ;

      // Loop over particles
      for (int iPart = 0 ; iPart < lheReader.hepeup.IDUP.size (); ++iPart){

	if( lheReader.hepeup.ISTUP.at (iPart) == -1  ) // incoming
	  {
	    //cout << "Event " << eventCount << ", incoming: " << lheReader.hepeup.IDUP.at (iPart) << endl;
	    //do nothing
	  }
	else if( lheReader.hepeup.ISTUP.at (iPart) == 2  ) // intermediate
	  {
	    
	    if( lheReader.hepeup.IDUP.at(iPart) == 25 ) //higgs
	      {
		i_H = iPart;
	      }
	    
	    if( lheReader.hepeup.IDUP.at(iPart) == 23) //Z
	      {
		i_V = iPart;
		VisZ = true;
	      }
	    
	    if( abs(lheReader.hepeup.IDUP.at(iPart)) == 24 ) //W+ or -
	      {
		i_V = iPart;
		VisW = true;
		isWplus=1;
		if(lheReader.hepeup.IDUP.at(iPart)==-24) isWplus=0;
	      }
	  }
	else if(  lheReader.hepeup.ISTUP.at (iPart) == 1 ) //outgoing 
	  {
	    //cout << "Event " << eventCount << ", outgoing: " << lheReader.hepeup.IDUP.at (iPart) << endl;
	    
	    if(higgsDecay==1) 
	      {
		if ( lheReader.hepeup.IDUP.at(iPart) == 5 ) i_b0 = iPart;
		if ( lheReader.hepeup.IDUP.at(iPart) == -5 ) i_b1 = iPart;
		if( abs(lheReader.hepeup.IDUP.at(iPart) ) == 5) continue;
	      }
	    
	    finalFermions.push_back (iPart) ;
	    if(     isFermion(lheReader.hepeup.IDUP.at(iPart)) ) i_f0 = iPart;
	    if( isAntiFermion(lheReader.hepeup.IDUP.at(iPart)) ) i_f1 = iPart;	 
	  }//end of outgoing if statement
	else { assert(0); } //sanity check that all particles are either incoming, intermediate, or outgoing.
	
      }// End loop over particles
      
      //some sanity checks
      assert( (VisZ && !VisW) || (VisW && !VisZ) );
      assert( finalFermions.size() == 2 ); //if not the case, have to be smarter with assigning i_f0 and i_f1
      assert( (i_f0 != -1) && (i_f1 != -1) && (i_H != -1) && (i_V != -1) );

      //Add to branching fraction counters and check if leptonic
      if( VisW && isQuark(lheReader.hepeup.IDUP.at(finalFermions.at(0))) && isQuark(lheReader.hepeup.IDUP.at(finalFermions.at(1))) ) //hadronic W
	{
	  hadronicWCount++;
	  isLeptonic=0;
	  isUpTypeQuark=0;
	}
      else if( VisW && isLepton(lheReader.hepeup.IDUP.at(finalFermions.at(0))) && isLepton(lheReader.hepeup.IDUP.at(finalFermions.at(1))) ) //leptonic W
	{
	  leptonicWCount++;
	  isLeptonic=1;
	  isUpTypeQuark=0;
	}
      else if( VisZ && isQuark(lheReader.hepeup.IDUP.at(finalFermions.at(0))) && isQuark(lheReader.hepeup.IDUP.at(finalFermions.at(1))) ) //hadronic Z
	{
	  hadronicZCount++;
	  isLeptonic=0;
	  isUpTypeQuark=0;
	  if( isUpType( lheReader.hepeup.IDUP.at(finalFermions.at(0)) ) ) isUpTypeQuark=1;
	}
      else if( VisZ && isLepton(lheReader.hepeup.IDUP.at(finalFermions.at(0))) && isLepton(lheReader.hepeup.IDUP.at(finalFermions.at(1))) ) //leptonic Z
	{
	  leptonicZCount++;
	  isLeptonic=1;
	  isUpTypeQuark=0;
	}
      else {assert(0);}
      
      //More detailed
      if(VisZ)
	{
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==11 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==11  ){
	    BR_Zee++;
	    decayMode=0;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==13 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==13  ){
	    BR_Zmm++;
	    decayMode=1;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==15 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==15  ){
	    BR_Ztt++;
	    decayMode=2;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==12 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==12  ){
	    BR_Znene++;
	    decayMode=13;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==14 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==14  ){
	    BR_Znmnm++;
	    decayMode=14;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==16 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==16  ){
	    BR_Zntnt++;
	    decayMode=15;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==2 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==2  ){
	    BR_Zuu++;
	    decayMode=3;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==4 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==4  ){
	    BR_Zcc++;
	    decayMode=4;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==1 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==1  ){
	    BR_Zdd++;
	    decayMode=5;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==3 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==3  ){
	    BR_Zss++;
	    decayMode=6;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==5 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==5  ){
	    BR_Zbb++;
	    decayMode=7;
	  }
	}
      else if(VisW)
	{
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==11 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==12
	      || abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==12 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==11){
	    BR_Wen++;
	    decayMode=8;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==13 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==14
	      || abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==14 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==13){
	    BR_Wmn++;
	    decayMode=9;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==15 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==16
	      || abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==16 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==15){
	    BR_Wtn++;
	    decayMode=10;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==2 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==1
	      || abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==1 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==2){
	    BR_Wud++;
	    decayMode=11;
	  }
	  if( abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==4 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==3
	      || abs(lheReader.hepeup.IDUP.at(finalFermions.at(0)))==3 && abs(lheReader.hepeup.IDUP.at(finalFermions.at(1)))==4){
	    BR_Wcs++;
	    decayMode=12;
	  }
	}
      else {assert(0);}


      //Create the TLorentzVectors 
      TLorentzVector fs_f0
        (
         lheReader.hepeup.PUP.at(i_f0).at(0), //PG px
         lheReader.hepeup.PUP.at(i_f0).at(1), //PG py
         lheReader.hepeup.PUP.at(i_f0).at(2), //PG pz
         lheReader.hepeup.PUP.at(i_f0).at(3)  //PG E
         ) ;
      TLorentzVector fs_f1
        (
         lheReader.hepeup.PUP.at(i_f1).at(0), //PG px
         lheReader.hepeup.PUP.at(i_f1).at(1), //PG py
         lheReader.hepeup.PUP.at(i_f1).at(2), //PG pz
         lheReader.hepeup.PUP.at(i_f1).at(3)  //PG E
         ) ;
      TLorentzVector fs_H
        (
         lheReader.hepeup.PUP.at(i_H).at(0), //PG px
         lheReader.hepeup.PUP.at(i_H).at(1), //PG py
         lheReader.hepeup.PUP.at(i_H).at(2), //PG pz
         lheReader.hepeup.PUP.at(i_H).at(3)  //PG E
         ) ;
      
      TLorentzVector fs_b0, fs_b1;
      if(higgsDecay==1)
	{
	  fs_b0.SetPxPyPzE(
			   lheReader.hepeup.PUP.at(i_b0).at(0), //PG px
			   lheReader.hepeup.PUP.at(i_b0).at(1), //PG py
			   lheReader.hepeup.PUP.at(i_b0).at(2), //PG pz
			   lheReader.hepeup.PUP.at(i_b0).at(3)  //PG E
			   );
	  fs_b1.SetPxPyPzE(
			   lheReader.hepeup.PUP.at(i_b1).at(0), //PG px
			   lheReader.hepeup.PUP.at(i_b1).at(1), //PG py
			   lheReader.hepeup.PUP.at(i_b1).at(2), //PG pz
			   lheReader.hepeup.PUP.at(i_b1).at(3)  //PG E
			   );
	}
      else
	{
	  //fake the H decay -- this creates PROBLEMS for computeAngles.  Do i need to boost?
	  fs_b0 = (0.5)*fs_H; 
	  fs_b1 = (0.5)*fs_H;
	  //cout << "Total: " << fs_H.E() << " " << fs_H.Px() << " " << fs_H.Py() << " " << fs_H.Pz() << endl; //check that this works
	  //cout << "b0: " << fs_b0.E() << " " << fs_b0.Px() << " " << fs_b0.Py() << " " << fs_b0.Pz() << endl;
	  //cout << "b1: " << fs_b1.E() << " " << fs_b1.Px() << " " << fs_b1.Py() << " " << fs_b1.Pz() << endl;
	}
      
      //acceptance test
      passEta = 0;
      if(fabs(fs_f0.PseudoRapidity())<2.4 && fabs(fs_f1.PseudoRapidity())<2.4 && fabs(fs_b0.PseudoRapidity())<2.4 && fabs(fs_b1.PseudoRapidity())<2.4){
	passEta = 1;
      }

      TLorentzVector p4_Vff = fs_f0 + fs_f1;
      TLorentzVector p4_Hbb = fs_b0 + fs_b1;
      TLorentzVector p4_VH  = p4_Vff + p4_Hbb;
      
      //cuts
      //if(p4_Vff.Pt()<100 || p4_Hbb.Pt()<100) continue;

      double a_costheta1, a_costheta2, a_costhetastar, a_Phi, a_Phi1;
      computeAngles( p4_VH, p4_Vff, fs_f0, fs_f1, p4_Hbb, fs_b0, fs_b1, 
		     a_costheta1, a_costheta2, a_Phi, a_costhetastar, a_Phi1);
      
      mT = getMT(p4_Vff, p4_Hbb);

      //remap to convention of arXiv:1309.4819, including fix from Sinan&Alex
      costheta2     = (float) a_costheta1;
      costheta1     = (float) a_costhetastar;
      phi           = (float) a_Phi1;
      costhetastar  = (float) a_costheta2;
      phi1          = (float) a_Phi;
      mVH           = (float) p4_VH.M();
      rapidityVH    = (float) p4_VH.Rapidity();
      mZ            = (float) p4_Vff.M();
      mH            = (float) p4_Hbb.M();
      //isLeptonic, isUpTypeQuark, and decayMode already filled

      b0_e   = fs_b0.E();
      b0_phi = fs_b0.Phi();
      b0_eta = fs_b0.Eta();
      b0_pt  = fs_b0.Pt();
      b1_e   = fs_b1.E();
      b1_phi = fs_b1.Phi();
      b1_eta = fs_b1.Eta();
      b1_pt  = fs_b1.Pt();
      f0_e   = fs_f0.E();
      f0_phi = fs_f0.Phi();
      f0_eta = fs_f0.Eta();
      f0_pt  = fs_f0.Pt();
      f1_e   = fs_f1.E();
      f1_phi = fs_f1.Phi();
      f1_eta = fs_f1.Eta();
      f1_pt  = fs_f1.Pt();
      V_e    = p4_Vff.E();
      V_phi  = p4_Vff.Phi();
      V_eta  = p4_Vff.Eta();
      V_pt   = p4_Vff.Pt();
      H_e    = p4_Hbb.E();
      H_phi  = p4_Hbb.Phi();
      H_eta  = p4_Hbb.Eta();
      H_pt   = p4_Hbb.Pt();
      //VH_e   = p4_VH.E();
      //VH_phi = p4_VH.Phi();
      //VH_eta = p4_VH.Eta();
      //VH_pt  = p4_VH.Pt();


      tree->Fill();

    }// End loop over events

  BR_Znn = BR_Znene + BR_Znmnm + BR_Zntnt;
  
  if(verbose) {
    cout << "Total number of events processed: " << eventCount << endl;
    cout << leptonicWCount << " Leptonic W fraction: " << ((double)leptonicWCount)/((double)eventCount) << endl;
    cout << hadronicWCount << " Hadronic W fraction: " << ((double)hadronicWCount)/((double)eventCount) << endl;
    cout << leptonicZCount << " Leptonic Z fraction: " << ((double)leptonicZCount)/((double)eventCount) << endl;
    cout << hadronicZCount << " Hadronic Z fraction: " << ((double)hadronicZCount)/((double)eventCount) << endl;
    
    //detail
    cout << "BR_Zee " << ((double)BR_Zee)/((double)eventCount) << endl;
    cout << "BR_Zmm " << ((double)BR_Zmm)/((double)eventCount) << endl;
    cout << "BR_Ztt " << ((double)BR_Ztt)/((double)eventCount) << endl;
    cout << "BR_Znene " << ((double)BR_Znene)/((double)eventCount) << endl;
    cout << "BR_Znmnm " << ((double)BR_Znmnm)/((double)eventCount) << endl;
    cout << "BR_Zntnt " << ((double)BR_Zntnt)/((double)eventCount) << endl;
    cout << "BR_Zinv " << ((double)BR_Znn)/((double)eventCount) << endl;
    cout << "BR_Zuu " << ((double)BR_Zuu)/((double)eventCount) << endl;
    cout << "BR_Zcc " << ((double)BR_Zcc)/((double)eventCount) << endl;
    cout << "BR_Zdd " << ((double)BR_Zdd)/((double)eventCount) << endl;
    cout << "BR_Zss " << ((double)BR_Zss)/((double)eventCount) << endl;
    cout << "BR_Zbb " << ((double)BR_Zbb)/((double)eventCount) << endl;
    cout << "BR_Wen " << ((double)BR_Wen)/((double)eventCount) << endl;
    cout << "BR_Wmn " << ((double)BR_Wmn)/((double)eventCount) << endl;
    cout << "BR_Wtn " << ((double)BR_Wtn)/((double)eventCount) << endl;
    cout << "BR_Wud " << ((double)BR_Wud)/((double)eventCount) << endl;
    cout << "BR_Wcs " << ((double)BR_Wcs)/((double)eventCount) << endl;
  }

  // Write to file
  file.cd();
  tree->Write();
  file.Close();

  return 0;
}
示例#11
0
map<string, TH1F *>
readSample (string sampleName, string radice, int maxevents = -1)
{
  cout << "reading " << sampleName << endl ;
  std::ifstream ifs (sampleName.c_str ()) ;
  LHEF::Reader reader (ifs) ;
  
  map<string, TH1F *> histos ;

  TH1F * h_initPart  = addHistoToMap (histos, string ("initPart_")   + radice, 45, -22.5, 22.5) ;

  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_mjj_vbf   = addHistoToMap (histos, string ("mjj_vbf_")    + radice, 25, 0, 2500) ;
  TH1F * h_NJ        = addHistoToMap (histos, string ("NJ_")         + radice, 5, 0, 5) ;

  TH1F * h_m4l       = addHistoToMap (histos, string ("m4l_")        + radice, 35, 0, 2275) ;
    
  int ieve = 0 ;
  int btagged = 0 ;
  int selected = 0 ;
  // loop over events
  while ( reader.readEvent () ) 
    {
      if (ieve % 10000 == 0) std::cout << "event " << ieve << "\n" ;
      if (maxevents > 0 && ieve >= maxevents) break ;
      ++ieve;
  
      vector<int> initialParticlesPDGId ;      
      vector<TLorentzVector> finalLeptons ;      
      vector<TLorentzVector> finalNeutrinos ;      
      vector<TLorentzVector> initialQuarks ;      
      vector<TLorentzVector> finalJets ;      
      vector<TLorentzVector> finalBs ;      
      
      int leptonsIDproduct = 1 ;

      //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" ;

          //PG incoming particle          
          if (reader.hepeup.ISTUP.at (iPart) == -1)
            {
              initialParticlesPDGId.push_back (reader.hepeup.IDUP.at (iPart)) ;
              initialQuarks.push_back (TLorentzVector
                (
                  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          

          //PG outgoing particles          
          if (reader.hepeup.ISTUP.at (iPart) == 1)
            {
              // jets  
              if (abs (reader.hepeup.IDUP.at (iPart)) < 7 ||  // quarks
                  abs (reader.hepeup.IDUP.at (iPart)) == 21 ) // gluons
                {
                  finalJets.push_back (TLorentzVector
                    (
                      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
                    )) ;


                  if (abs (reader.hepeup.IDUP.at (iPart)) == 5)  // b's
                    {
                      finalBs.push_back (TLorentzVector
                        (
                          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
                        )) ;
                    } // b's
                } // jets
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 11 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 13 ) // charged leptons
                {
                  leptonsIDproduct *= reader.hepeup.IDUP.at (iPart) ;
                  finalLeptons.push_back (TLorentzVector
                    (
                      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 charged leptons
              else if (abs (reader.hepeup.IDUP.at (iPart)) == 12 ||
                       abs (reader.hepeup.IDUP.at (iPart)) == 14 ) // neutrinos
                {
                  finalNeutrinos.push_back (TLorentzVector
                    (
                      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
                    )) ;
                } // neutrinos

            } //PG outgoing particles
        } //PG loop over particles in the event

      // selections
      if (finalBs.size () != 2)       continue ;
      ++btagged ;

      if (initialParticlesPDGId.size () != 2) exit (1) ; 

      // the following remove events with guons as initial particles
//      if (fabs (initialParticlesPDGId.at (0)) > 6) continue ;
//      if (fabs (initialParticlesPDGId.at (1)) > 6) continue ;
      
      sort (finalJets.rbegin (), finalJets.rend (), ptSort ()) ;
      if (finalJets.at (0).Pt () < 20) continue ;
      if (finalJets.at (1).Pt () < 20) continue ;
      if (finalJets.at (0).E () < 20) continue ;
      if (finalJets.at (1).E () < 20) continue ;
      if (fabs (finalJets.at (0).Eta ()) > 6.5) continue ;
      if (fabs (finalJets.at (1).Eta ()) > 6.5) continue ;

      sort (finalLeptons.rbegin (), finalLeptons.rend (), ptSort ()) ;
      if (finalLeptons.at (0).Pt () < 20) continue ;
      if (finalLeptons.at (1).Pt () < 20) continue ;
      if (finalLeptons.at (0).E () < 20) continue ;
      if (finalLeptons.at (1).E () < 20) continue ;
      if (fabs (finalLeptons.at (0).Eta ()) > 4) continue ;
      if (fabs (finalLeptons.at (1).Eta ()) > 4) continue ;

// this selection has to be performed on Bs to match the two cases of phantom and powheg,
// since phantom is not yet matched to a PS
//      float mjj = (finalJets.at (0) + finalJets.at (1)).M () ;
      float mjj = (finalBs.at (0) + finalBs.at (1)).M () ;
      if (mjj < 300) continue ;
      if (fabs (finalJets.at (0).Eta () - finalJets.at (1).Eta ()) < 2) continue ;
      float m4l = (finalNeutrinos.at (0) + finalNeutrinos.at (1) + finalLeptons.at (0) + finalLeptons.at (1)).M () ;
      if (m4l < 130) continue ;


      ++selected ;      
      h_NJ->Fill (finalJets.size ()) ;
//      cout << "Njs = " << finalJets.size () << "\n" ;
//      cout << "pts: " 
//           << finalJets.at (0).Pt () 
//           << "\t"
//           << finalJets.at (1).Pt () 
//           << "\n" ;

      for (int i = 0 ; i < initialParticlesPDGId.size () ; ++i)
        h_initPart->Fill (initialParticlesPDGId.at (i)) ;
      
      h_vbf0_eta->Fill (finalJets.at (0).Eta ()) ;            
      h_vbf0_phi->Fill (finalJets.at (0).Phi ()) ;            
      h_vbf0_pt-> Fill (finalJets.at (0).Pt ()) ;        

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

      h_mjj_vbf->Fill (mjj) ;
      h_m4l->Fill (m4l) ;
      
    } // loop over events
  cout << "btagged eff: " << btagged * 1./ieve << endl ;
  cout << "total eff  : " << selected * 1./ieve << endl ;
  return histos ;
}