BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtDDalitz.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
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtGen/EvtDDalitz.hh
//
// Description:
//
// Modification history:
//
//    DJL/RYD     August 11, 1998         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTDDALITZ_HH
#define EVTDDALITZ_HH
 
#include "EvtGenBase/EvtDecayAmp.hh"
#include "EvtGenBase/EvtFlatte.hh"
#include <vector>
 
class EvtParticle;
 
class EvtDDalitz:public  EvtDecayAmp  {
 
public:
 
  EvtDDalitz() {}
  virtual ~EvtDDalitz();
 
  void getName(std::string& name);
  EvtDecayBase* clone();
 
  void init();
  void initProbMax();
 
  void decay(EvtParticle *p); 
 
private:
 
  int _d1,_d2,_d3,_flag;
 
  EvtComplex amplDtoK0PiPi(EvtVector4R p4_p,  EvtVector4R moms1,
               EvtVector4R moms2, EvtVector4R moms3);
  EvtComplex amplDtoK0KK(EvtVector4R p4_p,  EvtVector4R moms1,
             EvtVector4R moms2, EvtVector4R moms3);
  
  vector<EvtFlatteParam> _kkpi_params;
 
};
 
#endif