EvtVSSBMixCPT.hh

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#ifndef EVTVSSBMIXCPT_HH
#define EVTVSSBMIXCPT_HH

#include "EvtGenBase/EvtComplex.hh"
#include "EvtGenBase/EvtDecayAmp.hh"
#include "EvtGenBase/EvtParticle.hh"

// Description:
//    Routine to decay vector-> scalar scalar with coherent BB-like mixing
//                              including CPT effects
//    Based on VSSBMIX

class EvtVSSBMixCPT : public EvtDecayAmp {
  public:
    std::string getName() override;
    EvtDecayBase* clone() override;

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

    int nRealDaughters() override { return 2; }

    std::string getParamName( int i ) override;
    std::string getParamDefault( int i ) override;

  private:
    double _freq;    // mixing frequency in hbar/mm
    double _dGamma;
    EvtComplex _qoverp;
    EvtComplex _poverq;
    EvtComplex _z;
    double _chib0_b0bar;
    double _chib0bar_b0;

    EvtComplex _A_f;
    EvtComplex _Abar_f;

    EvtComplex _A_fbar;
    EvtComplex _Abar_fbar;
};

#endif