ZMuMuSaMassHistogram Class Reference

Inheritance diagram for ZMuMuSaMassHistogram:

Public Types
typedef math::XYZVector	Vector
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType
typedef WorkerT< EDAnalyzer >	WorkerType

Public Member Functions
	ZMuMuSaMassHistogram (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)
virtual void	endJob ()
void	histo (const TH1F *hist, char *cx, char *cy) const

Private Attributes
int	counter
double	max
double	min
int	Nbin
InputTag	src_muons
TH1F *	ZMassSa

Additional Inherited Members
Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDAnalyzer
CurrentProcessingContext const *	currentContext () const

Detailed Description

Definition at line 37 of file ZMuMuSaMassHistogram.cc.

Member Typedef Documentation

typedef math::XYZVector ZMuMuSaMassHistogram::Vector

Definition at line 39 of file ZMuMuSaMassHistogram.cc.

Constructor & Destructor Documentation

ZMuMuSaMassHistogram::ZMuMuSaMassHistogram

(

const edm::ParameterSet &

pset

)

Definition at line 64 of file ZMuMuSaMassHistogram.cc.

References TFileDirectory::make(), max, min, Nbin, and ZMassSa.

                                                                  :
  src_muons(pset.getParameter<InputTag>("src_m")),
  counter(0),
  min(pset.getUntrackedParameter<double>("min")),
  max(pset.getUntrackedParameter<double>("max")),
  Nbin(pset.getUntrackedParameter<int>("nbin")) {
  edm::Service<TFileService> fs;
  ZMassSa = fs->make<TH1F>("zMass","ZMass OneStandAlone (GeV/c^{2})",Nbin,min,max);

}

Member Function Documentation

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

privatevirtual

Implements edm::EDAnalyzer.

Definition at line 76 of file ZMuMuSaMassHistogram.cc.

References counter, reco::Candidate::daughter(), WZMuSkim_cff::dimuons, reco::Candidate::get(), i, reco::Candidate::mass(), reco::Candidate::polarP4(), src_muons, and ZMassSa.

                                                                                    {
  Handle<CandidateView> dimuons;
  event.getByLabel(src_muons, dimuons);
  for(unsigned int i=0; i< dimuons->size(); ++ i ) {
    const Candidate & zmm = (* dimuons)[i];
    const Candidate * dau0 = zmm.daughter(0);
    const Candidate * dau1 = zmm.daughter(1);
    TrackRef stAloneTrack;
    Candidate::PolarLorentzVector p4_0;
    double mu_mass;
    if(counter % 2 == 0) {
      stAloneTrack = dau0->get<TrackRef,reco::StandAloneMuonTag>();
      p4_0 = dau1->polarP4();
      mu_mass = dau0->mass();
    }
    else{
      stAloneTrack = dau1->get<TrackRef,reco::StandAloneMuonTag>();
      p4_0= dau0->polarP4();
      mu_mass = dau1->mass();
    }

    Vector momentum = stAloneTrack->momentum();
    Candidate::PolarLorentzVector p4_1(momentum.rho(), momentum.eta(),momentum.phi(), mu_mass);
    double mass = (p4_0+p4_1).mass();
    ZMassSa->Fill(mass);
    ++counter;

  }    
  

}

void ZMuMuSaMassHistogram::endJob ( void  )

privatevirtual

Reimplemented from edm::EDAnalyzer.

Definition at line 109 of file ZMuMuSaMassHistogram.cc.

                                  {
}

void ZMuMuSaMassHistogram::histo ( const TH1F *  hist, char *  cx, char *  cy  ) const

private

Definition at line 52 of file ZMuMuSaMassHistogram.cc.

                                                                        {
  hist->GetXaxis()->SetTitle(cx);
  hist->GetYaxis()->SetTitle(cy);
  hist->GetXaxis()->SetTitleOffset(1);
  hist->GetYaxis()->SetTitleOffset(1.2);
  hist->GetXaxis()->SetTitleSize(0.04);
  hist->GetYaxis()->SetTitleSize(0.04);
  hist->GetXaxis()->SetLabelSize(0.03);
  hist->GetYaxis()->SetLabelSize(0.03);
}

Member Data Documentation

int ZMuMuSaMassHistogram::counter

private

Definition at line 45 of file ZMuMuSaMassHistogram.cc.

Referenced by analyze().

double ZMuMuSaMassHistogram::max

private

Definition at line 46 of file ZMuMuSaMassHistogram.cc.

Referenced by ZMuMuSaMassHistogram().

double ZMuMuSaMassHistogram::min

private

Definition at line 46 of file ZMuMuSaMassHistogram.cc.

Referenced by ZMuMuSaMassHistogram().

int ZMuMuSaMassHistogram::Nbin

private

Definition at line 47 of file ZMuMuSaMassHistogram.cc.

Referenced by ZMuMuSaMassHistogram().

InputTag ZMuMuSaMassHistogram::src_muons

private

Definition at line 44 of file ZMuMuSaMassHistogram.cc.

Referenced by analyze().

TH1F* ZMuMuSaMassHistogram::ZMassSa

private

Definition at line 48 of file ZMuMuSaMassHistogram.cc.

Referenced by analyze(), and ZMuMuSaMassHistogram().