TkPhiCandidate.h

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#ifndef DataFormatsL1TCorrelator_TkPhiCandidate_h
#define DataFormatsL1TCorrelator_TkPhiCandidate_h

// -*- C++ -*-
//
// Package:     DataFormats/L1TCorrelator
// Class:       TkPhiCandidate
//

#include "DataFormats/Common/interface/Ref.h"
#include "DataFormats/Common/interface/Ptr.h"

#include "DataFormats/L1Trigger/interface/L1Candidate.h"
#include "DataFormats/L1TrackTrigger/interface/TTTypes.h"

namespace l1t {

  class TkPhiCandidate : public L1Candidate {
  public:
    static constexpr double kmass = 0.493;            // GeV
    static constexpr double phi_polemass = 1.019445;  // GeV

    using L1TTTrackType = TTTrack<Ref_Phase2TrackerDigi_>;
    using L1TTTrackCollection = std::vector<L1TTTrackType>;

    TkPhiCandidate();
    TkPhiCandidate(const LorentzVector& p4,
                   const edm::Ptr<L1TTTrackType>& trkPtr1,
                   const edm::Ptr<L1TTTrackType>& trkPtr2);

    ~TkPhiCandidate() override {}

    // ---------- const member functions ---------------------
    const edm::Ptr<L1TTTrackType>& trkPtr(size_t i) const { return trkPtrList_.at(i); }

    // ---------- member functions ---------------------------

    // deltaR between track pair
    double dRTrkPair() const;

    // difference from nominal mass
    double dmass() const;

    // position difference between track pair
    double dxyTrkPair() const;
    double dzTrkPair() const;

    double vx() const override;
    double vy() const override;
    double vz() const override;

  private:
    std::vector<edm::Ptr<L1TTTrackType>> trkPtrList_;
  };
}  // namespace l1t
#endif