EvtHQET2FF.hh

//--------------------------------------------------------------------------
//
// Module: EvtGen/EvtHQET2FF.hh
//
// Description:
//
// Modification history:
//
//    Marco Bomben   March 10, 2003         Module created
//
//    Brian Hamilton     Jan 10, 2016       Added "extened" functionality
//      <brian.hamilton -=AT=- cern.ch>       to include scalar amplitude
//
//------------------------------------------------------------------------

#ifndef EVTHQET2FF_HH
#define EVTHQET2FF_HH

#include "EvtGenBase/EvtSemiLeptonicFF.hh"

class EvtId;

class EvtHQET2FF : public EvtSemiLeptonicFF {

public:
  EvtHQET2FF(double hqetrho2, double hqetha1_1, double hqetr1_1, double hqetr2_1);
  EvtHQET2FF(double hqetrho2, double hqetv1_1);
  EvtHQET2FF(double hqetrho2, double hqetha1_1, double hqetr1_1, double hqetr2_1, double hqetr0_1);
  EvtHQET2FF(double hqetrho2, double hqetv1_1, double indelta);
  void getvectorff(EvtId parent,EvtId daught,
                       double t, double mass, double *a1f,
                       double *a2f, double *vf, double *a0f );

  void getscalarff(EvtId parent,EvtId daught,
                              double t, double mass, double *f0p, double *f0m);

  void gettensorff(EvtId, EvtId, double, double, double*, 
                   double*, double*, double*);

  void getbaryonff(EvtId, EvtId, double, double, double*, 
                   double*, double*, double*);

  void getdiracff(EvtId, EvtId, double, double, double*, double*,
                  double*, double*, double*, double*);

  void getraritaff(EvtId, EvtId, double, double, double*, double*, 
                   double*, double*, double*, double*, double*, double*);

private:
  double r1_1;
  double rho2;
  double r2_1;
  double ha1_1;
  double v1_1;
  double r0_1;
  double delta;
  bool extended;
};

#endif