MHT.h

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#ifndef DataFormats_PatCandidates_MHT_h
#define DataFormats_PatCandidates_MHT_h

#include "DataFormats/Candidate/interface/CompositeRefBaseCandidate.h"
#include "DataFormats/Candidate/interface/Candidate.h"

namespace pat {

  class MHT : public reco::CompositeRefBaseCandidate {
  public:
    MHT() {}
    MHT(const Candidate::LorentzVector& p4, double ht, double signif)
        : CompositeRefBaseCandidate(0, p4), ht_(ht), significance_(signif) {}
    ~MHT() override {}

    double mht() const { return pt(); }
    // ????double phi() const {return phi();}
    double ht() const { return ht_; }
    double significance() const { return significance_; }
    double error() const { return 0.5 * significance() * mht() * mht(); }

    double getNumberOfJets() const;
    void setNumberOfJets(const double& numberOfJets);

    double getNumberOfElectrons() const;
    void setNumberOfElectrons(const double& numberOfElectrons);

    double getNumberOfMuons() const;
    void setNumberOfMuons(const double& numberOfMuons);

  private:
    double ht_;
    double significance_;
    double number_of_jets_;
    double number_of_electrons_;
    double number_of_muons_;
  };

  typedef std::vector<pat::MHT> MHTCollection;
}  // namespace pat

#endif