BesEvtGen-00-04-08/src/EvtGen/EvtGenModels/EvtVSSBMixCPT.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) 2002    INFN-Pisa
//
// Module: EvtGen/EvtVSSBMixCPT.hh
//
// Description:
//    Routine to decay vector-> scalar scalar with coherent BB-like mixing
//                              including CPT effects
//    Based on VSSBMIX
//
// Modification history:
//
//    F. Sandrelli, Fernando M-V March 03, 2002 
//
//------------------------------------------------------------------------
 
#ifndef EVTVSSBMIXCPT_HH
#define EVTVSSBMIXCPT_HH
 
#include "EvtGenBase/EvtDecayAmp.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtComplex.hh"
 
class EvtVSSBMixCPT : public EvtDecayAmp  {
public:
  EvtVSSBMixCPT() {}
  virtual ~EvtVSSBMixCPT();
 
  void getName(std::string& name);
  EvtDecayBase* clone();
 
  void decay(EvtParticle *p); 
  void init();
  void initProbMax();
 
  int nRealDaughters() {return 2;}
private:
  double _freq;   // mixing frequency in hbar/mm
  double _dGamma;
  EvtComplex _qoverp;
  EvtComplex _poverq;
  EvtComplex _z; 
  double _chib0_b0bar;
  double _chib0bar_b0;
 
  EvtComplex _A_f;
  EvtComplex _Abar_f;
  
  EvtComplex _A_fbar;
  EvtComplex _Abar_fbar;
 
};
 
#endif