EvtVVP.hh

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#ifndef EVTVVP_HH
#define EVTVVP_HH
 
#include "EvtGenBase/EvtDecayAmp.hh"
 
#include <string>
 
class EvtParticle;
class EvtDecayBase;
 
// Description: Routine to implement radiative decay
//                   chi_c1 -> psi gamma
//                   chi_c1 -> psi ell ell
 
class EvtVVP : public EvtDecayAmp {
  public:
    EvtVVP() {}
 
    std::string getName() const override;
    EvtDecayBase* clone() const override;
 
    void initProbMax() override;
    void init() override;
    void decay( EvtParticle* p ) override;
 
  private:
    void decay_2body( EvtParticle* p );
    void decay_3body( EvtParticle* p );
    double m_delta;    // form factor parameter
};
 
#endif