EvtPBB2.hh

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of models developed at BES collaboration
//      based on the EvtGen framework.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/BesCopyright
//      Copyright (A) 2006      Ping Rong-Gang, Pang Cai-Ying@IHEP
//
// Module: EvtPBB2.hh
//
// Description: Routine to decay pseudoscalar to  B_10 bar B_10 using
//              helicity amplitude.
//
// Modification history:
//
//     Ping R.-G.    Apr., 2007       Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTPBB2_HH
#define EVTPBB2_HH
 
#include "../EvtGenBase/EvtDecayAmp.hh"
 
class EvtParticle;
 
class EvtPBB2 : public EvtDecayAmp {
 
public:
  EvtPBB2() {}
  virtual ~EvtPBB2();
 
  void          getName( std::string& name );
  EvtDecayBase* clone();
 
  void decay( EvtParticle* p );
  void init();
  void init( int, double* );
  void initProbMax();
 
  double alpha;
  double u;
};
 
#endif