HiggsToZZ4LeptonsSkimEff Class Reference

#include <HiggsToZZ4LeptonsSkimEff.h>

Inheritance diagram for HiggsToZZ4LeptonsSkimEff:

Public Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)
	Get event properties to send to builder to fill seed collection. More...
	HiggsToZZ4LeptonsSkimEff (const edm::ParameterSet &)
	~HiggsToZZ4LeptonsSkimEff ()
Public Member Functions inherited from edm::EDAnalyzer
	EDAnalyzer ()
std::string	workerType () const
virtual	~EDAnalyzer ()

Private Attributes
bool	debug
int	nEvents
int	nFourE
int	nFourL
int	nFourM
int	nLeptonMin
int	nSelFourE
int	nSelFourL
int	nSelFourM
int	nSelTau
int	nSelTwoETwoM
int	nStiffLeptonMin
int	nTau
int	nTwoETwoM
edm::InputTag	recTrackLabel
float	softMinPt
float	stiffMinPt
edm::InputTag	theGLBMuonLabel
edm::InputTag	thePixelGsfELabel

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 25 of file HiggsToZZ4LeptonsSkimEff.h.

Constructor & Destructor Documentation

HiggsToZZ4LeptonsSkimEff::HiggsToZZ4LeptonsSkimEff ( const edm::ParameterSet &  pset )

explicit

Definition at line 41 of file HiggsToZZ4LeptonsSkimEff.cc.

References debug, edm::ParameterSet::getParameter(), and nEvents.

                                                                              {

  // Local Debug flag
  debug              = pset.getParameter<bool>("DebugHiggsToZZ4LeptonsSkim");

  // Reconstructed objects
  recTrackLabel      = pset.getParameter<edm::InputTag>("RecoTrackLabel");
  theGLBMuonLabel    = pset.getParameter<edm::InputTag>("GlobalMuonCollectionLabel");
  thePixelGsfELabel  = pset.getParameter<edm::InputTag>("ElectronCollectionLabel");

  // Minimum Pt for leptons for skimming
  // Minimum Pt for leptons for skimming
  stiffMinPt         = pset.getParameter<double>("stiffMinimumPt");
  softMinPt          = pset.getParameter<double>("softMinimumPt");
  nStiffLeptonMin    = pset.getParameter<int>("nStiffLeptonMinimum");
  nLeptonMin         = pset.getParameter<int>("nLeptonMinimum");

  nEvents   = 0;
  nSelFourE = nSelFourM = nSelTwoETwoM = nSelFourL = nSelTau = 0;
  nFourE    = nFourM    = nTwoETwoM    = nFourL    = nTau    = 0;

}

HiggsToZZ4LeptonsSkimEff::~HiggsToZZ4LeptonsSkimEff

(

)

Definition at line 66 of file HiggsToZZ4LeptonsSkimEff.cc.

References gather_cfg::cout, and nEvents.

                                                    {

  std::cout << "Number of events read " << nEvents << std::endl;
  std::cout << "*** Efficiency for the various subsamples *** " <<  endl;

  std::cout << "Four leptons: " 
  << " pres "    << nFourL         
  << " kept "    << nSelFourL
  << " eff  "    << ((double)nSelFourL)/((double) nFourL + 0.0001) << std::endl;
  std::cout << "Four muons:   "
  << " pres "    << nFourM         
  << " kept "    << nSelFourM
  << " eff  "    << ((double)nSelFourM)/((double) nFourM + 0.0001) << std::endl;
  std::cout << "Four elecs:   "
  << " pres "    << nFourE         
  << " kept "    << nSelFourE
  << " eff  "    << ((double)nSelFourE)/((double) nFourE + 0.0001) << std::endl;
  std::cout << "2 elec 2 mu:  "
  << " pres "    << nTwoETwoM   
  << " kept "    << nSelTwoETwoM
  << " eff  "    << ((double)nSelTwoETwoM)/((double) nTwoETwoM + 0.0001) << std::endl;
  std::cout << "with taus:    "
  << " pres "    << nTau     
  << " kept "    << nSelTau
  << " eff  "    << ((double)nSelTau)/((double) nTau + 0.0001) << std::endl;

}

Member Function Documentation

void HiggsToZZ4LeptonsSkimEff::analyze ( const edm::Event &  event, const edm::EventSetup &  setup  )

virtual

Get event properties to send to builder to fill seed collection.

Implements edm::EDAnalyzer.

Definition at line 97 of file HiggsToZZ4LeptonsSkimEff.cc.

References HI_PhotonSkim_cff::electrons, genCandidates_cfi::genCandidates, reco::isTau(), edm::HandleBase::isValid(), patZpeak::muons, nEvents, and edm::Handle< T >::product().

                                                                                         {

  nEvents++;

  using reco::TrackCollection;

  bool keepEvent   = false;

  // First, pre-selection:
  int nMuon = 0;
  int nElec = 0;
  int nTau  = 0;

  bool isFourE = false;
  bool isFourM = false;
  bool isTwoETwoM = false;
  bool isFourL = false;
  bool isTau = false;

  // get gen particle candidates
  edm::Handle<CandidateCollection> genCandidates;
  event.getByLabel("genParticleCandidates", genCandidates);

  for ( CandidateCollection::const_iterator mcIter=genCandidates->begin(); mcIter!=genCandidates->end(); ++mcIter ) {

    // Muons:
    if ( mcIter->pdgId() == 13 || mcIter->pdgId() == -13) {
      // Mother is a Z
      if ( mcIter->mother()->pdgId() == 23 ) {
       // In fiducial volume:
        if ( mcIter->eta() > -2.4 && mcIter->eta() < 2.4 ) nMuon++;
      }
    }
    // Electrons:
    if ( mcIter->pdgId() == 11 || mcIter->pdgId() == -11) {
      // Mother is a Z
      if ( mcIter->mother()->pdgId() == 23 ) {
        // In fiducial volume:
        if ( mcIter->eta() > -2.5 && mcIter->eta() < 2.5 ) nElec++;
      }
    }
    // Taus:
    if ( mcIter->pdgId() == 15 || mcIter->pdgId() == -15) {
      // Mother is a Z
      if ( mcIter->mother()->pdgId() == 23 ) {
        // In fiducial volume:
        if ( mcIter->eta() > -2.5 && mcIter->eta() < 2.5 ) nTau++;
      }
    }

  }
   
    if (nElec > 3) {
      isFourE = true;
      nFourE++;
    }
    if (nMuon > 3) {
      isFourM = true;
      nFourM++;
    }
    if (nMuon > 1 && nElec > 1) {
      isTwoETwoM = true;
      nTwoETwoM++;
    }
    if ( isFourE || isFourM || isTwoETwoM ) {
      isFourL = true;
      nFourL++;
    }
    if (nTau > 1) {
      isTau = true;
      nTau++;
    }

  if ( isFourL ) {
    keepEvent = true;
  } else {
    return;
  }


  int  nStiffLeptons = 0;
  int  nLeptons      = 0;

  // First look at muons:

  // Get the muon track collection from the event
  edm::Handle<reco::TrackCollection> muTracks;
  event.getByLabel(theGLBMuonLabel.label(), muTracks);
 
  if ( muTracks.isValid() ) {   
    reco::TrackCollection::const_iterator muons;
        
    // Loop over muon collections and count how many muons there are, 
    // and how many are above threshold
    for ( muons = muTracks->begin(); muons != muTracks->end(); ++muons ) {
      float pt_mu =  muons->pt();
      if ( pt_mu > stiffMinPt ) nStiffLeptons++; 
      if ( pt_mu > softMinPt ) nLeptons++; 
    }  
  } 
  

  // Now look at electrons:

  // Get the electron track collection from the event
  edm::Handle<reco::GsfElectronCollection> pTracks;
  event.getByLabel(thePixelGsfELabel.label(),pTracks);

  if ( pTracks.isValid() ) { 

    const reco::GsfElectronCollection* eTracks = pTracks.product();

    reco::GsfElectronCollection::const_iterator electrons;

    // Loop over electron collections and count how many muons there are, 
    // and how many are above threshold
    for ( electrons = eTracks->begin(); electrons != eTracks->end(); ++electrons ) {
      float pt_e = electrons->pt(); 
      if ( pt_e > stiffMinPt ) nStiffLeptons++; 
      if ( pt_e > softMinPt ) nLeptons++; 
    }
  }

  
  // Make decision:
  if ( nStiffLeptons >= nStiffLeptonMin && nLeptons >= nLeptonMin) {
    keepEvent = true;
  } else {
    keepEvent = false;
  }

  if ( keepEvent ) {
    if (isFourE)    nSelFourE++;
    if (isFourM)    nSelFourM++;
    if (isTwoETwoM) nSelTwoETwoM++;
    if (isFourL)    nSelFourL++;
    if (isTau)      nSelTau++;
  }

}

Member Data Documentation

bool HiggsToZZ4LeptonsSkimEff::debug

private

Definition at line 39 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nEvents

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nFourE

private

Definition at line 46 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nFourL

private

Definition at line 46 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nFourM

private

Definition at line 46 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nLeptonMin

private

Definition at line 43 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nSelFourE

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nSelFourL

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nSelFourM

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nSelTau

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nSelTwoETwoM

private

Definition at line 45 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nStiffLeptonMin

private

Definition at line 42 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nTau

private

Definition at line 46 of file HiggsToZZ4LeptonsSkimEff.h.

int HiggsToZZ4LeptonsSkimEff::nTwoETwoM

private

Definition at line 46 of file HiggsToZZ4LeptonsSkimEff.h.

edm::InputTag HiggsToZZ4LeptonsSkimEff::recTrackLabel

private

Definition at line 49 of file HiggsToZZ4LeptonsSkimEff.h.

float HiggsToZZ4LeptonsSkimEff::softMinPt

private

Definition at line 41 of file HiggsToZZ4LeptonsSkimEff.h.

float HiggsToZZ4LeptonsSkimEff::stiffMinPt

private

Definition at line 40 of file HiggsToZZ4LeptonsSkimEff.h.

edm::InputTag HiggsToZZ4LeptonsSkimEff::theGLBMuonLabel

private

Definition at line 50 of file HiggsToZZ4LeptonsSkimEff.h.

edm::InputTag HiggsToZZ4LeptonsSkimEff::thePixelGsfELabel

private

Definition at line 51 of file HiggsToZZ4LeptonsSkimEff.h.