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