Inheritance diagram for ZHistogrammer:

Public Member Functions
	ZHistogrammer (const edm::ParameterSet &pset)

Public Member Functions inherited from edm::EDAnalyzer
	EDAnalyzer ()

std::string	workerType () const

virtual	~EDAnalyzer ()

Private Member Functions
virtual void	analyze (const edm::Event &event, const edm::EventSetup &setup)

Private Attributes
double	angMax_

edm::InputTag	gen_

TH1F *	h_etaResZ_

TH1F *	h_etaZ_

TH1F *	h_etaZMC_

TH1F *	h_invmMuMu_

TH1F *	h_invmMuMuMC_

TH1F *	h_mRatioZMuMu_

TH1F *	h_mRatioZMuMuMC_

TH1F *	h_mResZ_

TH1F *	h_mResZMuMu_

TH1F *	h_mResZMuMuMC_

TH1F *	h_mZ_

TH1F *	h_mZMC_

TH1F *	h_nZ_

TH1F *	h_nZMC_

TH1F *	h_phiResZ_

TH1F *	h_phiZ_

TH1F *	h_phiZMC_

TH1F *	h_ptResZ_

TH1F *	h_ptZ_

TH1F *	h_ptZMC_

TH1F *	h_rapidityResZ_

TH1F *	h_rapidityZ_

TH1F *	h_rapidityZMC_

TH1F *	h_thetaResZ_

TH1F *	h_thetaZ_

TH1F *	h_thetaZMC_

double	massMax_

double	massResMax_

edm::InputTag	match_

unsigned int	nbinsAng_

unsigned int	nbinsMass_

unsigned int	nbinsMassRes_

unsigned int	nbinsPt_

double	ptMax_

edm::InputTag	z_

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType

typedef WorkerT< EDAnalyzer >	WorkerType

Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &)

Protected Member Functions inherited from edm::EDAnalyzer
CurrentProcessingContext const *	currentContext () const

Detailed Description

Definition at line 5 of file ZHistogrammer.cc.

Constructor & Destructor Documentation

ZHistogrammer::ZHistogrammer ( const edm::ParameterSet & pset )

Definition at line 40 of file ZHistogrammer.cc.

References angMax_, gather_cfg::cout, h_etaResZ_, h_etaZ_, h_etaZMC_, h_invmMuMu_, h_invmMuMuMC_, h_mRatioZMuMu_, h_mRatioZMuMuMC_, h_mResZ_, h_mResZMuMu_, h_mResZMuMuMC_, h_mZ_, h_mZMC_, h_nZ_, h_nZMC_, h_phiResZ_, h_phiZ_, h_phiZMC_, h_ptResZ_, h_ptZ_, h_ptZMC_, h_rapidityResZ_, h_rapidityZ_, h_rapidityZMC_, h_thetaResZ_, h_thetaZ_, h_thetaZMC_, TFileDirectory::make(), massMax_, massResMax_, TFileDirectory::mkdir(), nbinsAng_, nbinsMass_, nbinsMassRes_, nbinsPt_, and ptMax_.

                                                      :
   z_(pset.getParameter<InputTag>("z")),
   gen_(pset.getParameter<InputTag>("gen")), 
   match_(pset.getParameter<InputTag>("match")), 
   nbinsMass_(pset.getUntrackedParameter<unsigned int>("nbinsMass")),
   nbinsPt_(pset.getUntrackedParameter<unsigned int>("nbinsPt")),
   nbinsAng_(pset.getUntrackedParameter<unsigned int>("nbinsAng")),
   nbinsMassRes_(pset.getUntrackedParameter<unsigned int>("nbinsMassRes")),
   massMax_(pset.getUntrackedParameter<double>("massMax")),
   ptMax_(pset.getUntrackedParameter<double>("ptMax")),
   angMax_(pset.getUntrackedParameter<double>("angMax")), 
   massResMax_(pset.getUntrackedParameter<double>("massResMax")) { 
   cout << ">>> Z Histogrammer constructor" << endl;
   Service<TFileService> fs;
   TFileDirectory ZHisto = fs->mkdir( "ZRecoHisto" );
   TFileDirectory ZMCHisto = fs->mkdir( "ZMCHisto" );
   TFileDirectory ZResHisto = fs->mkdir( "ZResolutionHisto" );
   //TFileDirectory Z2vs3MCHisto = fs->mkdir( "Z2vs3MCHisto" );
   h_nZ_ = ZHisto.make<TH1F>("ZNumber", "number of Z particles", 11, -0.5, 10.5);
   h_mZ_ = ZHisto.make<TH1F>("ZMass", "Z mass (GeV/c^{2})", nbinsMass_,  0, massMax_);
   h_ptZ_ = ZHisto.make<TH1F>("ZPt", "Z p_{t} (GeV/c)", nbinsPt_, 0, ptMax_);
   h_phiZ_ = ZHisto.make<TH1F>("ZPhi", "Z #phi", nbinsAng_,  -angMax_, angMax_);
   h_thetaZ_ = ZHisto.make<TH1F>("Ztheta", "Z #theta", nbinsAng_,  0, angMax_);
   h_etaZ_ = ZHisto.make<TH1F>("ZEta", "Z #eta", nbinsAng_,  -angMax_, angMax_);
   h_rapidityZ_ = ZHisto.make<TH1F>("ZRapidity", "Z rapidity", nbinsAng_,  -angMax_, angMax_);
   h_invmMuMu_ = ZHisto.make<TH1F>("MuMuMass", "#mu #mu invariant mass", 
                   nbinsMass_,  0, massMax_);
   h_nZMC_ = ZMCHisto.make<TH1F>("ZMCNumber", "number of Z MC particles", 11, -0.5, 10.5);
   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_);
   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 rapidity", 
                        nbinsAng_,  -angMax_, angMax_);
   h_invmMuMuMC_ = ZMCHisto.make<TH1F>("MuMuMCMass", "#mu #mu MC invariant mass", 
                       nbinsMass_,  0, massMax_);
   /*
   h_mZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCMass", "Z MC st 2 vs st 3 mass (GeV/c^{2})", 
                     nbinsMassRes_, -massResMax_, massResMax_);
   h_ptZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCPt", "Z MC st 2 vs st 3 p_{t} (GeV/c)", 
                      nbinsPt_, -ptMax_, ptMax_);
   h_phiZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCPhi", "Z MC st 2 vs st 3 #phi", 
                       nbinsAng_,  -angMax_, angMax_);
   h_thetaZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCTheta", "Z MC st 2 vs st 3 #theta", 
                         nbinsAng_,  -angMax_, angMax_);
   h_etaZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCEta", "Z MC st 2 vs st 3 #eta", 
                       nbinsAng_,  -angMax_, angMax_);
   h_rapidityZ2vs3MC_ = Z2vs3MCHisto.make<TH1F>("Z2vs3MCRapidity", "Z MC st 2 vs st 3 rapidity", 
                        nbinsAng_,  -angMax_, angMax_);
   */
   h_mResZ_ = ZResHisto.make<TH1F>("ZMassResolution", "Z mass Resolution (GeV/c^{2})", 
                   nbinsMassRes_, -massResMax_, massResMax_);
   h_ptResZ_ = ZResHisto.make<TH1F>("ZPtResolution", "Z p_{t} Resolution (GeV/c)", 
                    nbinsPt_, -ptMax_, ptMax_);
   h_phiResZ_ = ZResHisto.make<TH1F>("ZPhiResolution", "Z #phi Resolution", 
                     nbinsAng_,  -angMax_, angMax_);
   h_thetaResZ_ = ZResHisto.make<TH1F>("ZThetaResolution", "Z #theta Resolution", 
                       nbinsAng_, -angMax_, angMax_);
   h_etaResZ_ = ZResHisto.make<TH1F>("ZEtaResolution", "Z #eta Resolution", 
                     nbinsAng_,  -angMax_, angMax_);
   h_rapidityResZ_ = ZResHisto.make<TH1F>("ZRapidityResolution", "Z rapidity Resolution", 
                      nbinsAng_,  -angMax_, angMax_);
   h_mResZMuMu_ = ZResHisto.make<TH1F>("ZToMuMuRecoMassResolution", 
                       "Z Reco vs matched final state #mu #mu mass Difference (GeV/c^{2})", 
                       nbinsMassRes_, -massResMax_, massResMax_);
   h_mRatioZMuMu_ = ZResHisto.make<TH1F>("ZToMuMuRecoMassRatio", 
                     "Z Reco vs matched final state #mu #mu mass Ratio", 
                     4000, 0, 2);
   h_mResZMuMuMC_ = ZResHisto.make<TH1F>("ZToMuMuMCMassResolution", 
                     "Z vs final state #mu #mu MC mass Difference (GeV/c^{2})", 
                     nbinsMassRes_/2 + 1, -2*massResMax_/nbinsMassRes_, massResMax_);
   h_mRatioZMuMuMC_ = ZResHisto.make<TH1F>("ZToMuMuMCMassRatio", 
                       "Z vs final state #mu #mu MC mass Ratio", 
                       2002, 0.999, 2);
 }

Member Function Documentation

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

privatevirtual

Implements edm::EDAnalyzer.

Definition at line 117 of file ZHistogrammer.cc.

                                                                              { 
   cout << ">>> Z Histogrammer analyze" << endl;
   Handle<CandidateCollection> z;
   Handle<CandidateCollection> gen;
   Handle<CandMatchMap> match;
   event.getByLabel(z_, z);
   event.getByLabel(gen_, gen);
   event.getByLabel(match_, match);
   h_nZ_->Fill(z->size());
   for(unsigned int i = 0; i < z->size(); ++i) {
     const Candidate &zCand = (*z)[i];
     h_mZ_->Fill(zCand.mass());
     h_ptZ_->Fill(zCand.pt());
     h_phiZ_->Fill(zCand.phi());
     h_thetaZ_->Fill(zCand.theta());
     h_etaZ_->Fill(zCand.eta());
     h_rapidityZ_->Fill(zCand.rapidity());
     CandidateRef zCandRef(z, i);
     CandidateRef zMCMatch = (*match)[zCandRef];
     if(zMCMatch.isNonnull() && zMCMatch->pdgId()==23) {
       h_mResZ_->Fill(zCandRef->mass() - zMCMatch->mass());
       h_ptResZ_->Fill(zCandRef->pt() - zMCMatch->pt());
       h_phiResZ_->Fill(zCandRef->phi() - zMCMatch->phi());
       h_thetaResZ_->Fill(zCandRef->theta() - zMCMatch->theta());
       h_etaResZ_->Fill(zCandRef->eta() - zMCMatch->eta());
       h_rapidityResZ_->Fill(zCandRef->rapidity() - zMCMatch->rapidity());
       const Candidate * dau0 = zMCMatch->daughter(0);
       const Candidate * dau1 = zMCMatch->daughter(1);
       for(unsigned int i0 = 0; i0 < dau0->numberOfDaughters(); ++i0) {
     const Candidate * ddau0 = dau0->daughter(i0);
     if(abs(ddau0->pdgId())==13 && ddau0->status()==1) {
       dau0 = ddau0; break;
     }
       }
       for(unsigned int i1 = 0; i1 < dau1->numberOfDaughters(); ++i1) {
     const Candidate * ddau1 = dau1->daughter(i1);
     if(abs(ddau1->pdgId())==13 && ddau1->status()==1) {
       dau1 = ddau1; break;
     }
       }
       assert(abs(dau0->pdgId())==13 && dau0->status()==1);
       assert(abs(dau1->pdgId())==13 && dau1->status()==1);
       double invMass = (dau0->p4()+dau1->p4()).mass();
       h_invmMuMu_->Fill(invMass);
       h_mResZMuMu_->Fill(zCand.mass() - invMass);
       h_mRatioZMuMu_->Fill(zCand.mass()/invMass);
     }
   }
   h_nZMC_->Fill(gen->size());
   for(unsigned int i = 0; i < gen->size(); ++i) {
     const Candidate &genCand = (*gen)[i];
     if((genCand.pdgId() == 23) && (genCand.status() == 2)) //this is an intermediate Z0
       cout << ">>> intermediate Z0 found, with " << genCand.numberOfDaughters() 
        << " daughters" << endl;
     if((genCand.pdgId() == 23)&&(genCand.status() == 3)) { //this is a Z0
       cout << ">>> Z0 found, with " << genCand.numberOfDaughters() 
        << " daughters" << endl;
       h_mZMC_->Fill(genCand.mass());
       h_ptZMC_->Fill(genCand.pt());
       h_phiZMC_->Fill(genCand.phi());
       h_thetaZMC_->Fill(genCand.theta());
       h_etaZMC_->Fill(genCand.eta());
       h_rapidityZMC_->Fill(genCand.rapidity());
       Particle::LorentzVector pZ(0, 0, 0, 0);
       int nMu = 0;
       for(unsigned int j = 0; j < genCand.numberOfDaughters(); ++j) { 
     const Candidate *dauGen = genCand.daughter(j);
     /*
     if((dauGen->pdgId() == 23) && (dauGen->status() == 2)) { 
       h_mZ2vs3MC_->Fill(genCand.mass() - dauGen->mass());
       h_ptZ2vs3MC_->Fill(genCand.pt() - dauGen->pt());
       h_phiZ2vs3MC_->Fill(genCand.phi() - dauGen->phi());
       h_thetaZ2vs3MC_->Fill(genCand.theta() - dauGen->theta());
       h_etaZ2vs3MC_->Fill(genCand.eta() - dauGen->eta());
       h_rapidityZ2vs3MC_->Fill(genCand.rapidity() - dauGen->rapidity());
     }
     */
     if((abs(dauGen->pdgId()) == 13) && (dauGen->numberOfDaughters() != 0)) {
       //we are looking for photons of final state radiation
       cout << ">>> The muon " << j 
            << " has " << dauGen->numberOfDaughters() << " daughters" <<endl;
       for(unsigned int k = 0; k < dauGen->numberOfDaughters(); ++k) {
         const Candidate * dauMuGen = dauGen->daughter(k);
         cout << ">>> Mu " << j 
          << " daughter MC " << k 
          << " PDG Id " << dauMuGen->pdgId() 
          << ", status " << dauMuGen->status() 
          << ", charge " << dauMuGen->charge() 
          << endl;
         if(abs(dauMuGen->pdgId()) == 13 && dauMuGen->status() ==1) {
           pZ += dauMuGen->p4();
           nMu ++;
         }
       }
     }
       }
       assert(nMu == 2);
       double mZ = pZ.mass();
       h_invmMuMuMC_->Fill(mZ);
       h_mResZMuMuMC_->Fill(genCand.mass() - mZ);
       h_mRatioZMuMuMC_->Fill(genCand.mass()/mZ);
     }
   }
 }