EvtSVPCP.hh

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//
// Module: EvtSVPCP.cc
//
// Description: Routine to decay scalar -> vectors+photon
//              including CP violation effects
//
// Modification history:
//
//    Maurizio pierini   Nov 11, 2003       Module created
//
//------------------------------------------------------------------------
//
 
#ifndef EVTSVPCP_HH
#define EVTSVPCP_HH
 
#include "../EvtGenBase/EvtDecayAmp.hh"
 
class EvtParticle;
 
// Class to handle decays of the form SCALAR ->VECTOR PHOTON
// where the helicity amplitudes must be specified.  The
// first and third arguements are the magnetudes of the H+
// and H- helicity amplitudes respectively.  The second and
// fourth arguements are the phases.
// Calls EvtSVPHel.
 
class EvtSVPCP : public EvtDecayAmp {
 
public:
  EvtSVPCP() {}
  virtual ~EvtSVPCP();
 
  void          getName( std::string& name );
  EvtDecayBase* clone();
 
  void        init();
  void        initProbMax();
  void        decay( EvtParticle* p );
  static void SVPHel( EvtParticle* parent, EvtAmp& amp, EvtId n_v1, EvtId n_v2,
                      const EvtComplex& hp, const EvtComplex& hm );
};
 
#endif