EvtISGW2FF.hh

Go to the documentation of this file.

//--------------------------------------------------------------------------
//
// 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/EvtISGW2FF.hh
//
// Description:Form factor routines specific to EvtISGW2
//
// Modification history:
//
//    DJL/RYD     August 11, 1998         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTISGW2FF_HH
#define EVTISGW2FF_HH
 
#include "../EvtGenBase/EvtSemiLeptonicFF.hh"
 
class EvtId;
 
class EvtISGW2FF : public EvtSemiLeptonicFF {
 
public:
  void getscalarff( EvtId parent, EvtId daught, double t, double mass, double* fpf,
                    double* f0f );
  void getvectorff( EvtId parent, EvtId daught, double t, double mass, double* a1f,
                    double* a2f, double* vf, double* a0f );
  void gettensorff( EvtId parent, EvtId daught, double t, double mass, double* hf, double* kf,
                    double* bpf, double* bmf );
 
  void getbaryonff( EvtId, EvtId, double, double, double*, double*, double*, double* );
 
private:
  // getscalarff, getvectorff, and gettensorff call the
  // correct isgw2 form factor routine which computes
  // form factors according to the ISGW2 paper.
 
  void EvtISGW2FF3S1( EvtId parent, EvtId daught, double t, double mass, double* ff,
                      double* gf, double* apf, double* amf );
  void EvtISGW2FF23S1( EvtId parent, EvtId daught, double t, double mass, double* fpf,
                       double* gpf, double* app, double* apm );
  void EvtISGW2FF3P1( EvtId parent, EvtId daught, double t, double mass, double* lf,
                      double* qf, double* cpf, double* cmf );
  void EvtISGW2FF3P0( EvtId parent, EvtId daught, double t, double mass, double* upf,
                      double* umf );
  void EvtISGW2FF1S0( EvtId parent, EvtId daught, double t, double mass, double* fpf,
                      double* fmf );
  void EvtISGW2FF21S0( EvtId parent, EvtId daught, double t, double mass, double* fppf,
                       double* fpmf );
  void EvtISGW2FF3P2( EvtId parent, EvtId daught, double t, double mass, double* h, double* k,
                      double* bp, double* bm );
  void EvtISGW2FF1P1( EvtId parent, EvtId daught, double t, double mass, double* rf,
                      double* vf, double* spf, double* smf );
 
  double EvtGetas( double mass );
  double EvtGetas( double mass, double mass1 );
  double EvtGetGammaji( double z );
};
 
#endif