EvtISGW2.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/EvtISGW2.hh
//
// Description:Implementation of the ISGW2 model
// Class to handle semileptonic decays using the ISGW2
// model, as described in PRD 52 5 (1995) by
// Isgur and Scora.  Electron, muon, and tau models
// are available.  Form factors, q2 and lepton energy
// spectra checked against code from Scora.
//
// Modification history:
//
//    DJL/RYD     September 25, 1996         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTISGW2_HH
#define EVTISGW2_HH
 
#include "../EvtGenBase/EvtDecayAmp.hh"
#include "../EvtGenBase/EvtSemiLeptonicAmp.hh"
#include "../EvtGenBase/EvtSemiLeptonicFF.hh"
 
class EvtParticle;
 
class EvtISGW2 : public EvtDecayAmp {
 
public:
  EvtISGW2();
  virtual ~EvtISGW2();
 
  void          getName( std::string& name );
  EvtDecayBase* clone();
 
  void decay( EvtParticle* p );
  void initProbMax();
  void init();
 
private:
  EvtSemiLeptonicFF*  isgw2ffmodel;
  EvtSemiLeptonicAmp* calcamp;
};
 
#endif