EvtLNuGamma.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) 2001  Caltech
//
// Module: EvtGen/EvtLNuGamma.hh
//
// Description: B+ -> l+ nu gamma.  Form factor is tree level, from
//  Korchemsky, Pirjol, and Yan,Phy Rev D 61 (200) 114510
//
//
// Modification history:
//
//    Edward Chen     April 24, 2001         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTLNUGAMMA_HH
#define EVTLNUGAMMA_HH
 
#include "../EvtGenBase/EvtDecayAmp.hh"
 
class EvtParticle;
 
class EvtLNuGamma : public EvtDecayAmp {
 
public:
  EvtLNuGamma();
  virtual ~EvtLNuGamma();
 
  void          getName( std::string& name );
  EvtDecayBase* clone();
 
  void   decay( EvtParticle* p );
  void   init();
  void   initProbMax();
  double getFormFactor( double photonEnergy );
 
  bool _fafvzero;
};
 
#endif