EvtTauHadnu.hh

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#ifndef EVTTAUHADNUKS_HH
#define EVTTAUHADNUKS_HH

#include "EvtGenBase/EvtDecayAmp.hh"

class EvtParticle;

class EvtTauHadnu : public EvtDecayAmp {
  public:
    EvtTauHadnu() {}

    std::string getName() override;
    EvtDecayBase* clone() override;

    void initProbMax() override;
    void init() override;
    void decay( EvtParticle* p ) override;

  private:
    double _beta;
    double _mRho;
    double _gammaRho;
    double _mRhopr;
    double _gammaRhopr;
    double _mA1;
    double _gammaA1;

    double gFunc( double m2, int dupD );
    EvtComplex Fpi( double s, double xm1, double xm2 );
    EvtComplex BW( double s, double m, double gamma, double xm1, double xm2 );
};

#endif