TrackParticle.h

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#ifndef RecoTauTag_ImpactParameter_TrackParticle_h
#define RecoTauTag_ImpactParameter_TrackParticle_h

/* From SimpleFits Package
 * Designed an written by
 * author: Ian M. Nugent
 * Humboldt Foundations
 */

#include "RecoTauTag/ImpactParameter/interface/Particle.h"
#include "TString.h"

namespace tauImpactParameter {

  class TrackParticle : public Particle {
  public:
    enum { kappa = 0, lambda, phi, dxy, dz, NHelixPar };  // 5 track helix Parameters

    TrackParticle(
        const TVectorT<double>& par, const TMatrixTSym<double>& cov, int pdgid, double mass, double charge, double b);
    ~TrackParticle() override{};

    static TString name(int i);
    int nParameters() const override { return NHelixPar; }
    double mass() const override { return mass_; }

  private:
    double mass_;
  };

}  // namespace tauImpactParameter
#endif