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ZMuPtScaleAnalyzer Class Reference

Inheritance diagram for ZMuPtScaleAnalyzer:
edm::EDAnalyzer

List of all members.

Public Member Functions

 ZMuPtScaleAnalyzer (const edm::ParameterSet &pset)

Private Member Functions

virtual void analyze (const edm::Event &event, const edm::EventSetup &setup)
virtual void endJob ()

Private Attributes

double accEtaMax_
double accEtaMin_
double accMassMax_
double accMassMaxDen_
double accMassMin_
double accMassMinDen_
double accPtMin_
double angMax_
edm::InputTag gen_
TH1F * h_etaZ_
TH1F * h_etaZMC_
TH1F * h_mZ_
TH1F * h_mZMC_
TH1F * h_nZ_
TH1F * h_phiZ_
TH1F * h_phiZMC_
TH1F * h_ptZ_
TH1F * h_ptZMC_
TH1F * h_rapidityZ_
TH1F * h_rapidityZMC_
TH1F * h_thetaZ_
TH1F * h_thetaZMC_
TH1F * hardeta
TH1F * hardpt
double massMax_
int muPdgStatus_
unsigned int nAcc_
unsigned int nAccPtScaleN_
unsigned int nAccPtScaleP_
unsigned int nAccPtScaleSmearedFlat_
unsigned int nAccPtScaleSmearedGaus_
unsigned int nbinsAng_
unsigned int nbinsMass_
unsigned int nbinsPt_
unsigned int nBothMuHasZHasGrandMa_
double ptMax_
double ptScale_
TH1F * softeta
TH1F * softpt

Detailed Description

Definition at line 7 of file ZMuPtScaleAnalyzer.cc.


Constructor & Destructor Documentation

ZMuPtScaleAnalyzer::ZMuPtScaleAnalyzer ( const edm::ParameterSet pset)

Definition at line 45 of file ZMuPtScaleAnalyzer.cc.

References angMax_, gather_cfg::cout, h_etaZMC_, h_mZMC_, h_phiZMC_, h_ptZMC_, h_rapidityZMC_, h_thetaZMC_, hardeta, hardpt, TFileDirectory::make(), massMax_, nAcc_, nAccPtScaleN_, nAccPtScaleP_, nAccPtScaleSmearedFlat_, nAccPtScaleSmearedGaus_, nbinsAng_, nbinsMass_, nbinsPt_, nBothMuHasZHasGrandMa_, ptMax_, softeta, and softpt.

                                                               :
  gen_(pset.getParameter<InputTag>("genParticles")),
  nbinsMass_(pset.getUntrackedParameter<unsigned int>("nbinsMass")),
  nbinsPt_(pset.getUntrackedParameter<unsigned int>("nbinsPt")),
  nbinsAng_(pset.getUntrackedParameter<unsigned int>("nbinsAng")),
  massMax_(pset.getUntrackedParameter<double>("massMax")),
  ptMax_(pset.getUntrackedParameter<double>("ptMax")),
  angMax_(pset.getUntrackedParameter<double>("angMax")), 
  accPtMin_(pset.getUntrackedParameter<double>("accPtMin")), 
  accMassMin_(pset.getUntrackedParameter<double>("accMassMin")),
  accMassMax_(pset.getUntrackedParameter<double>("accMassMax")),
  accMassMinDen_(pset.getUntrackedParameter<double>("accMassMinDen")),
  accMassMaxDen_(pset.getUntrackedParameter<double>("accMassMaxDen")),
  accEtaMin_(pset.getUntrackedParameter<double>("accEtaMin")),
  accEtaMax_(pset.getUntrackedParameter<double>("accEtaMax")),
  ptScale_(pset.getUntrackedParameter<double>("ptScale")),
  muPdgStatus_(pset.getUntrackedParameter<int>("muPdgStatus")){ 

  cout << ">>> Z Histogrammer constructor" << endl;
  Service<TFileService> fs;
  TFileDirectory ZMCHisto = fs->mkdir( "ZMCHisto" );
 
  h_mZMC_ = ZMCHisto.make<TH1F>("ZMCMass", "Z MC mass (GeV/c^{2})", nbinsMass_,  0, massMax_);
  h_ptZMC_ = ZMCHisto.make<TH1F>("ZMCPt", "Z MC p_{t} (GeV/c)", nbinsPt_, 0, ptMax_);
 hardpt = ZMCHisto.make<TH1F>("hardpt", "hard muon p_{t} (GeV/c)", nbinsPt_, 0, ptMax_);
 softpt = ZMCHisto.make<TH1F>("softpt", "soft muon p_{t} (GeV/c)", nbinsPt_, 0, ptMax_);

 
  h_phiZMC_ = ZMCHisto.make<TH1F>("ZMCPhi", "Z MC #phi", nbinsAng_,  -angMax_, angMax_);
  h_thetaZMC_ = ZMCHisto.make<TH1F>("ZMCTheta", "Z MC #theta", nbinsAng_,  0, angMax_);
  h_etaZMC_ = ZMCHisto.make<TH1F>("ZMCEta", "Z MC #eta", nbinsAng_,  -angMax_, angMax_);
  h_rapidityZMC_ = ZMCHisto.make<TH1F>("ZMCRapidity", "Z MC y", nbinsAng_,  -angMax_, angMax_);

  hardeta = ZMCHisto.make<TH1F>("hard muon eta", "hard muon #eta", nbinsAng_,  -angMax_, angMax_);
  softeta = ZMCHisto.make<TH1F>("soft muon eta", "soft muon #eta", nbinsAng_,  -angMax_, angMax_);
  nAcc_=0;
  nAccPtScaleP_=0;
  nAccPtScaleN_=0;
  nAccPtScaleSmearedFlat_=0;
  nAccPtScaleSmearedGaus_=0;
  nBothMuHasZHasGrandMa_=0;}

Member Function Documentation

void ZMuPtScaleAnalyzer::analyze ( const edm::Event event,
const edm::EventSetup setup 
) [private, virtual]

Implements edm::EDAnalyzer.

Definition at line 89 of file ZMuPtScaleAnalyzer.cc.

References abs, accEtaMax_, accEtaMin_, accMassMax_, accMassMaxDen_, accMassMin_, accMassMinDen_, accPtMin_, gather_cfg::cout, reco::LeafCandidate::eta(), f, alignCSCRings::ff, HcalObjRepresent::Fill(), cmsDownloadME::gen, gen_, h_etaZMC_, h_mZMC_, h_phiZMC_, h_ptZMC_, h_rapidityZMC_, h_thetaZMC_, hardeta, hardpt, i, reco::LeafCandidate::mass(), reco::Candidate::mother(), reco::CompositeRefCandidateT< D >::mother(), patZpeak::muons, muPdgStatus_, nAcc_, nAccPtScaleN_, nAccPtScaleP_, nAccPtScaleSmearedFlat_, nAccPtScaleSmearedGaus_, nBothMuHasZHasGrandMa_, reco::CompositeRefCandidateT< D >::numberOfDaughters(), reco::Candidate::numberOfMothers(), reco::CompositeRefCandidateT< D >::numberOfMothers(), p4, reco::LeafCandidate::pdgId(), reco::Candidate::pdgId(), ptScale_, softeta, softpt, mathSSE::sqrt(), reco::LeafCandidate::status(), and create_public_pileup_plots::weights.

                                                                                  { 
  cout << ">>> Z HistogrammerZLONLOHistogrammer.cc analyze" << endl;

  Handle<GenParticleCollection> gen;
  Handle<double> weights;

  event.getByLabel(gen_, gen);


 

   // get weight and fill it to histogram
  



  std::vector<GenParticle> muons;

  double mZGen = -100;

    for(unsigned int i = 0; i < gen->size(); ++i){ 
      const GenParticle & muMC  = (*gen)[i];
      // filliScaledPng only muons coming form Z
      if (abs(muMC.pdgId())==13 &&  muMC.status()==muPdgStatus_  && muMC.numberOfMothers()>0) {   
        
          cout << "I'm getting a muon \n" 
               << "with " << "muMC.numberOfMothers()  " <<  muMC.numberOfMothers() << "\n the first mother has pdgId " << muMC.mother()->pdgId() 
               << "with " << "muMC.mother()->numberOfMothers()  " <<  muMC.mother()->numberOfMothers()<< "\n the first grandma has pdgId " << muMC.mother()->mother()->pdgId()<<endl;
               cout << "with  muMC.eta() " <<  muMC.eta()<<endl;
               muons.push_back(muMC);
      }
          // introducing here the gen mass cut......................
               /*
   if (muPdgStatus_ ==1) {
            mZGen = muMC.mother()->mother()->mass(); 
            if (muMC.mother()->mother()->pdgId() ==23  && mZGen>accMassMinDen_ && mZGen<accMassMaxDen_ ) muons.push_back(muMC);}
        }
          if (muPdgStatus_ ==3) {
             mZGen = muMC.mother()->mass(); 
            if (muMC.mother()->pdgId() ==23  && mZGen>accMassMinDen_ && mZGen<accMassMaxDen_ ) muons.push_back(muMC);}
        }
*/
      
      
      const GenParticle & zMC  = (*gen)[i];
            if (zMC.pdgId()==23 &&  zMC.status()==3 &&zMC.numberOfDaughters()>1  ) {
        mZGen = zMC.mass();
        cout << "I'm selecting a Z MC with mass " << mZGen << endl; 
          if(mZGen>accMassMinDen_ && mZGen<accMassMaxDen_ ) h_mZMC_->Fill(mZGen); 
      
      
      
      }
      }
    
   
  cout << "finally I selected " << muons.size() << " muons" << endl;

 



// if there are at least two muons, 
   // calculate invarant mass of first two and fill it into histogram
  


 double inv_mass = 0.0;
   double Zpt_ = 0.0;
   double Zeta_ = 0.0;
   double Ztheta_ = 0.0;
   double Zphi_ = 0.0;
   double Zrapidity_ = 0.0;
  
   if(muons.size()>1) {


    if (muons[0].mother()->mother()->pdgId()==23 && muons[1].mother()->mother()->pdgId()==23) nBothMuHasZHasGrandMa_ ++;
     math::XYZTLorentzVector tot_momentum(muons[0].p4());
     math::XYZTLorentzVector mom2(muons[1].p4());
     tot_momentum += mom2;
     inv_mass = sqrt(tot_momentum.mass2());
     Zpt_=tot_momentum.pt();
     Zeta_ = tot_momentum.eta();
     Ztheta_ = tot_momentum.theta();
     Zphi_ = tot_momentum.phi();
    Zrapidity_ = tot_momentum.Rapidity();


     

      double weight_sign = 1.    ;
     
      //h_mZMC_->Fill(inv_mass); 
      h_ptZMC_->Fill(Zpt_,weight_sign);
      h_etaZMC_->Fill(Zeta_,weight_sign);
      h_thetaZMC_->Fill(Ztheta_,weight_sign);
      h_phiZMC_->Fill(Zphi_,weight_sign);
      h_rapidityZMC_-> Fill (Zrapidity_,weight_sign );    

      double pt1 = muons[0].pt();
      double pt2 = muons[1].pt();
      double eta1 = muons[0].eta();
      double eta2 = muons[1].eta();
      

     


     if(pt1>pt2) {
       hardpt->Fill(pt1,weight_sign);
       softpt->Fill(pt2,weight_sign);
       hardeta->Fill(eta1,weight_sign);
       softeta->Fill(eta2,weight_sign);
     } else {
       hardpt->Fill(pt2,weight_sign);
       softpt->Fill(pt1,weight_sign);       
       hardeta->Fill(eta2,weight_sign);
       softeta->Fill(eta1,weight_sign);
     }
   
 //evaluating the geometric acceptance  
   if ( pt1 >= accPtMin_  && pt2 >= accPtMin_ &&  fabs(eta1)>= accEtaMin_  && fabs(eta2) >= accEtaMin_ && fabs(eta1)<= accEtaMax_  && fabs(eta2) <= accEtaMax_ && inv_mass>= accMassMin_ && inv_mass<= accMassMax_) nAcc_++;
   
           
   cout << "pt1" <<  pt1 << endl;
   
     // scaling the muon pt
   double  pt1ScaledP = pt1* ( 1. + ptScale_);
  cout << "pt1 ScaledP of " <<  ( 1. + ptScale_) << endl;
   cout << "pt1ScaledP" <<  pt1ScaledP << endl;

   double  pt2ScaledP = pt2 * ( 1. + ptScale_);
  

   //evaluating the geometric acceptance  
   if ( pt1ScaledP >= accPtMin_  && pt2ScaledP >= accPtMin_ &&  fabs(eta1)>= accEtaMin_  && fabs(eta2) >= accEtaMin_ && fabs(eta1)<= accEtaMax_  && fabs(eta2) <= accEtaMax_ && inv_mass>= accMassMin_ && inv_mass<= accMassMax_) 
nAccPtScaleP_++;
   


  
     // scaling the muon pt
   double  pt1ScaledN = pt1* ( 1. - ptScale_);
   double  pt2ScaledN = pt2 * ( 1. - ptScale_);
  

   //evaluating the geometric acceptance  
   if ( pt1ScaledN >= accPtMin_  && pt2ScaledN >= accPtMin_ &&  fabs(eta1)>= accEtaMin_  && fabs(eta2) >= accEtaMin_ && fabs(eta1)<= accEtaMax_  && fabs(eta2) <= accEtaMax_ && inv_mass>= accMassMin_ && inv_mass<= accMassMax_) 
nAccPtScaleN_++;
        

  // scaling the muon pt
   TRandom3 f;
   f.SetSeed(123456789);
   double  pt1SmearedFlat = pt1* ( 1. + ptScale_ * f.Uniform() );
   double  pt2SmearedFlat = pt2 * ( 1. + ptScale_ * f.Uniform() ) ;
  

   //evaluating the geometric acceptance  
   if ( pt1SmearedFlat >= accPtMin_  && pt2SmearedFlat >= accPtMin_ &&  fabs(eta1)>= accEtaMin_  && fabs(eta2) >= accEtaMin_ && fabs(eta1)<= accEtaMax_  && fabs(eta2) <= accEtaMax_ && inv_mass>= accMassMin_ && inv_mass<= accMassMax_) 
 nAccPtScaleSmearedFlat_++;
          

// scaling the muon pt
   TRandom3 ff;
   ff.SetSeed(123456789);
   double  pt1SmearedGaus = pt1* ( 1. + ptScale_ * f.Gaus() );
   double  pt2SmearedGaus = pt2 * ( 1. + ptScale_ * f.Gaus() ) ;
  

   //evaluating the geometric acceptance  
   if ( pt1SmearedGaus >= accPtMin_  && pt2SmearedGaus >= accPtMin_ &&  fabs(eta1)>= accEtaMin_  && fabs(eta2) >= accEtaMin_ && fabs(eta1)<= accEtaMax_  && fabs(eta2) <= accEtaMax_ && inv_mass>= accMassMin_ && inv_mass<= accMassMax_) 
 nAccPtScaleSmearedGaus_++;
          


  
   }}
void ZMuPtScaleAnalyzer::endJob ( void  ) [private, virtual]

Reimplemented from edm::EDAnalyzer.

Definition at line 272 of file ZMuPtScaleAnalyzer.cc.

References gather_cfg::cout, interpolateCardsSimple::eff, h_mZMC_, nAcc_, nAccPtScaleN_, nAccPtScaleP_, nAccPtScaleSmearedFlat_, nAccPtScaleSmearedGaus_, nBothMuHasZHasGrandMa_, and mathSSE::sqrt().

                                {
  cout << " number of events accepted :" << nAcc_ << endl;
  cout << " number of total events :" << h_mZMC_->GetEntries()  << endl;
   cout << " number of cases in which BothMuHasZHasGrandMa :" << nBothMuHasZHasGrandMa_  << endl;
  cout << " number of events pt scaled positively accepted :" << nAccPtScaleP_ << endl;

  cout << " number of events pt scaled negatively accepted :" << nAccPtScaleN_ << endl;

cout << " number of events pt scaled smeared flattely accepted :" << nAccPtScaleSmearedFlat_ << endl;

cout << " number of events pt scaled smeared gaussianely accepted :" << nAccPtScaleSmearedGaus_ << endl;


  double eff = (double)nAcc_ / (double) h_mZMC_->GetEntries();
  double err = sqrt( eff * (1. - eff) / (double) h_mZMC_->GetEntries() );
  cout << " geometric acceptance: " << eff << "+/-" << err << endl; 

 double effScaledP = (double)nAccPtScaleP_ / (double) h_mZMC_->GetEntries();
  double errScaledP = sqrt( effScaledP * (1. - effScaledP) / (double) h_mZMC_->GetEntries() );
  cout << " geometric acceptance when pt muon is positively scaled: " << effScaledP << "+/-" << errScaledP << endl; 

 double effScaledN = (double)nAccPtScaleN_ / (double) h_mZMC_->GetEntries();
  double errScaledN = sqrt( effScaledN * (1. - effScaledN) / (double) h_mZMC_->GetEntries() );
  cout << " geometric acceptance when pt muon is negatively scaled: " << effScaledN << "+/-" << errScaledN << endl; 

 double effSmearedFlat = (double) nAccPtScaleSmearedFlat_ / (double) h_mZMC_->GetEntries();
  double errSmearedFlat = sqrt( effSmearedFlat * (1. - effSmearedFlat) / (double) h_mZMC_->GetEntries() );
  cout << " geometric acceptance when pt muon is scaled with a flat smaering: " << effSmearedFlat << "+/-" << errSmearedFlat << endl; 

 double effSmearedGaus = (double) nAccPtScaleSmearedGaus_ / (double) h_mZMC_->GetEntries();
  double errSmearedGaus = sqrt( effSmearedGaus * (1. - effSmearedGaus) / (double) h_mZMC_->GetEntries() );
  cout << " geometric acceptance when pt muon is scaled with a gaussian smearing: " << effSmearedGaus << "+/-" << errSmearedGaus << endl; 


}

Member Data Documentation

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

double ZMuPtScaleAnalyzer::angMax_ [private]

Definition at line 15 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

Definition at line 13 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

TH1F * ZMuPtScaleAnalyzer::h_etaZ_ [private]

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

TH1F * ZMuPtScaleAnalyzer::h_mZ_ [private]

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

TH1F* ZMuPtScaleAnalyzer::h_mZMC_ [private]

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

TH1F* ZMuPtScaleAnalyzer::h_nZ_ [private]

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

TH1F * ZMuPtScaleAnalyzer::h_phiZ_ [private]

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

TH1F * ZMuPtScaleAnalyzer::h_ptZ_ [private]

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

TH1F * ZMuPtScaleAnalyzer::h_ptZMC_ [private]

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

Definition at line 17 of file ZMuPtScaleAnalyzer.cc.

Definition at line 18 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

TH1F * ZMuPtScaleAnalyzer::hardeta [private]

Definition at line 19 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

TH1F* ZMuPtScaleAnalyzer::hardpt [private]

Definition at line 19 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

double ZMuPtScaleAnalyzer::massMax_ [private]

Definition at line 15 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

Definition at line 21 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

unsigned int ZMuPtScaleAnalyzer::nAcc_ [private]

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

unsigned int ZMuPtScaleAnalyzer::nAccPtScaleN_ [private]

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

unsigned int ZMuPtScaleAnalyzer::nAccPtScaleP_ [private]

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

unsigned int ZMuPtScaleAnalyzer::nbinsAng_ [private]

Definition at line 14 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

unsigned int ZMuPtScaleAnalyzer::nbinsMass_ [private]

Definition at line 14 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

unsigned int ZMuPtScaleAnalyzer::nbinsPt_ [private]

Definition at line 14 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

Definition at line 20 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), endJob(), and ZMuPtScaleAnalyzer().

double ZMuPtScaleAnalyzer::ptMax_ [private]

Definition at line 15 of file ZMuPtScaleAnalyzer.cc.

Referenced by ZMuPtScaleAnalyzer().

double ZMuPtScaleAnalyzer::ptScale_ [private]

Definition at line 16 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze().

TH1F * ZMuPtScaleAnalyzer::softeta [private]

Definition at line 19 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().

TH1F * ZMuPtScaleAnalyzer::softpt [private]

Definition at line 19 of file ZMuPtScaleAnalyzer.cc.

Referenced by analyze(), and ZMuPtScaleAnalyzer().