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Photon.h

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#ifndef EgammaCandidates_Photon_h
#define EgammaCandidates_Photon_h

#include "DataFormats/RecoCandidate/interface/RecoCandidate.h"
#include "DataFormats/EgammaCandidates/interface/ConversionFwd.h"
#include "DataFormats/EgammaReco/interface/SuperCluster.h"

namespace reco {

  class Photon : public RecoCandidate {
  public:
    Photon() : RecoCandidate() { }
    Photon( const LorentzVector & p4, Point caloPos, 
            const SuperClusterRef scl, 
            float HoE,
            bool hasPixelSeed=false, const Point & vtx = Point( 0, 0, 0 ) );
    virtual ~Photon();
    virtual Photon * clone() const;
    virtual reco::SuperClusterRef superCluster() const;
    std::vector<reco::ConversionRef> conversions() const ; 
    void setSuperCluster( const reco::SuperClusterRef & r ) { superCluster_ = r; }
    void addConversion( const reco::ConversionRef & r ) { conversions_.push_back(r); }
    void setVertex(const Point & vertex);
    math::XYZPoint caloPosition() const {return caloPosition_;}
    float hadronicOverEm() const {return hadOverEm_;}
    bool hasPixelSeed() const { return pixelSeed_; }
    bool isConverted() const;

  private:
    virtual bool overlap( const Candidate & ) const;
    math::XYZPoint caloPosition_;
    reco::SuperClusterRef superCluster_;
    // vector of references to Conversions
    std::vector<reco::ConversionRef>  conversions_;

    float hadOverEm_;
    bool pixelSeed_;

  };
  
}

#endif

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