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() const override;
    EvtDecayBase* clone() const override;
 
    void decay( EvtParticle* p ) override;
    void init() override;
    void initProbMax() override;
 
    int nRealDaughters() const override { return 2; }
 
    std::string getParamName( int i ) override;
    std::string getParamDefault( int i ) override;
 
  private:
    double m_freq;    // mixing frequency in hbar/mm
    double m_dGamma;
    EvtComplex m_qoverp;
    EvtComplex m_poverq;
    EvtComplex m_z;
    double m_chib0_b0bar;
    double m_chib0bar_b0;
 
    EvtComplex m_A_f;
    EvtComplex m_Abar_f;
 
    EvtComplex m_A_fbar;
    EvtComplex m_Abar_fbar;
};
 
#endif