1 //--------------------------------------------------------------------------
4 // This software is part of the EvtGen package developed jointly
5 // for the BaBar and CLEO collaborations. If you use all or part
6 // of it, please give an appropriate acknowledgement.
8 // Copyright Information: See EvtGen/COPYRIGHT
9 // Copyright (C) 1998 Caltech, UCSB
11 // Module: EvtGen/EvtSemiLeptonicFF.hh
12 // This is the base class for semileptonic form factor calculations.
16 // Modification history:
18 // DJL/RYD September 30, 1997 Module created
20 //------------------------------------------------------------------------
22 #ifndef EVTSEMILEPTONICFF_HH
23 #define EVTSEMILEPTONICFF_HH
25 #include "EvtGenBase/EvtId.hh"
27 class EvtSemiLeptonicFF{
30 virtual ~EvtSemiLeptonicFF( ) { } ;
32 virtual void getscalarff( EvtId parent, EvtId daught,
33 double t, double mass, double *fpf,
35 virtual void getvectorff( EvtId parent, EvtId daught,
36 double t, double mass, double *a1f,
37 double *a2f, double *vf, double *a0f ) = 0;
38 virtual void gettensorff( EvtId parent, EvtId daught,
39 double t, double mass, double *a1f,
40 double *a2f, double *vf, double *a0f ) = 0;
42 virtual void getbaryonff(EvtId parent, EvtId daught,
50 virtual void getdiracff( EvtId parent, EvtId daught,
51 double q2, double mass,
52 double *f1, double *f2, double *f3,
53 double *g1, double *g2, double *g3 ) = 0;
55 virtual void getraritaff( EvtId parent, EvtId daught,
56 double q2, double mass,
57 double *f1, double *f2,
58 double *f3, double *f4,
59 double *g1, double *g2,
60 double *g3, double *g4 ) = 0;