GsfEleHadronicOverEMCut.cc

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#include "PhysicsTools/SelectorUtils/interface/CutApplicatorBase.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"

class GsfEleHadronicOverEMCut : public CutApplicatorBase {
public:
  GsfEleHadronicOverEMCut(const edm::ParameterSet& c) :
    CutApplicatorBase(c),
    _hadronicOverEMCutValueEB(c.getParameter<double>("hadronicOverEMCutValueEB")),
    _hadronicOverEMCutValueEE(c.getParameter<double>("hadronicOverEMCutValueEE")),
    _barrelCutOff(c.getParameter<double>("barrelCutOff")) {
  }
  
  result_type operator()(const reco::GsfElectronPtr&) const final;

  double value(const reco::CandidatePtr& cand) const final;

  CandidateType candidateType() const final { 
    return ELECTRON; 
  }

private:
  const float _hadronicOverEMCutValueEB, _hadronicOverEMCutValueEE, _barrelCutOff;  
};

DEFINE_EDM_PLUGIN(CutApplicatorFactory,
          GsfEleHadronicOverEMCut,
          "GsfEleHadronicOverEMCut");

CutApplicatorBase::result_type 
GsfEleHadronicOverEMCut::
operator()(const reco::GsfElectronPtr& cand) const { 
  const float hadronicOverEMCutValue = 
    ( std::abs(cand->superCluster()->position().eta()) < _barrelCutOff ? 
      _hadronicOverEMCutValueEB : _hadronicOverEMCutValueEE );
  return cand->hadronicOverEm() < hadronicOverEMCutValue;
}

double GsfEleHadronicOverEMCut::value(const reco::CandidatePtr& cand) const {
  reco::GsfElectronPtr ele(cand);  
  return ele->hadronicOverEm();
}