HiggsToZZ4LeptonsPreFilter Class Reference

#include <HiggsToZZ4LeptonsPreFilter.h>

Inheritance diagram for HiggsToZZ4LeptonsPreFilter:

List of all members.

Public Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)
	Get event properties to send to builder to fill seed collection.
	HiggsToZZ4LeptonsPreFilter (const edm::ParameterSet &)
	~HiggsToZZ4LeptonsPreFilter ()
Private Attributes
bool	debug
int	evt
int	ikept
int	leptonFlavour

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Detailed Description

Definition at line 26 of file HiggsToZZ4LeptonsPreFilter.h.

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Constructor & Destructor Documentation

HiggsToZZ4LeptonsPreFilter::HiggsToZZ4LeptonsPreFilter

(

const edm::ParameterSet &

pset

)

[explicit]

Definition at line 33 of file HiggsToZZ4LeptonsPreFilter.cc.

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

                                                                                  {

// LeptonFlavour
// 0 = no tau
// 1 = 4 mu
// 2 = 4 e
// 3 = 2e 2mu

  // Local Debug flag
  debug              = pset.getParameter<bool>("DebugHiggsToZZ4LeptonsPreFilter");
  leptonFlavour      = pset.getParameter<int>("HiggsToZZ4LeptonsPreFilterLeptonFlavour");

  ikept = 0;
  evt = 0;
}

HiggsToZZ4LeptonsPreFilter::~HiggsToZZ4LeptonsPreFilter

(

)

Definition at line 51 of file HiggsToZZ4LeptonsPreFilter.cc.

References gather_cfg::cout.

                                                        {

  std::cout << "number of events processed: " << evt << std::endl;
  std::cout << "number of events kept: " << ikept << std::endl;

}

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Member Function Documentation

bool HiggsToZZ4LeptonsPreFilter::filter	(	edm::Event &	event,
		const edm::EventSetup &	setup
	)		[virtual]

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

Implements edm::EDFilter.

Definition at line 60 of file HiggsToZZ4LeptonsPreFilter.cc.

References genParticleCandidates2GenParticles_cfi::genParticles, and edm::HandleBase::isValid().

                                                                                    {

  bool keepEvent   = false;
  evt++;

  bool FourL    = false;
  bool FourE    = false;
  bool FourM    = false;
  bool TwoETwoM = false;

  // get gen particle candidates 
  Handle<GenParticleCollection> genParticles;

  event.getByLabel("genParticles", genParticles);

  if ( genParticles.isValid() ) {

  int nElec = 0;
  int nMuon = 0;

  for (GenParticleCollection::const_iterator mcIter=genParticles->begin(); mcIter!=genParticles->end(); ++mcIter) {
    // Muons:
    if ( mcIter->pdgId() == 13 || mcIter->pdgId() == -13) {
      // Mother is a Z
      if ( mcIter->mother()->pdgId() == 23 ) {
       // In fiducial volume:
        if ( mcIter->pt() < 3 ) continue;
        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->pt() < 3 ) continue;
        if ( mcIter->eta() > -2.5 && mcIter->eta() < 2.5 ) nElec++;
      }
    }

     
    if (nElec > 3) FourE = true;
    if (nMuon > 3) FourM = true;
    if (nMuon > 1 && nElec > 1) TwoETwoM = true;
    if ( FourE || FourM || TwoETwoM ) FourL = true;

    if ( leptonFlavour == 0 && FourL    ) keepEvent = true;    
    if ( leptonFlavour == 1 && FourM    ) keepEvent = true;    
    if ( leptonFlavour == 2 && FourE    ) keepEvent = true;    
    if ( leptonFlavour == 3 && TwoETwoM ) keepEvent = true;    

  }

  if (keepEvent ) ikept++;

  return keepEvent;

}

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Member Data Documentation

bool HiggsToZZ4LeptonsPreFilter::debug [private]

Definition at line 42 of file HiggsToZZ4LeptonsPreFilter.h.

int HiggsToZZ4LeptonsPreFilter::evt [private]

Definition at line 40 of file HiggsToZZ4LeptonsPreFilter.h.

int HiggsToZZ4LeptonsPreFilter::ikept [private]

Definition at line 40 of file HiggsToZZ4LeptonsPreFilter.h.

int HiggsToZZ4LeptonsPreFilter::leptonFlavour [private]

Definition at line 43 of file HiggsToZZ4LeptonsPreFilter.h.