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) 2000 Caltech
12 // This is the base class for form factors in b->sll transitions.
16 // Modification history:
18 // RYD January 5, 2000 Module created
20 //------------------------------------------------------------------------
22 #ifndef EVTBTOSLLFF_HH
23 #define EVTBTOSLLFF_HH
31 virtual void getScalarFF(EvtId parent, EvtId daught,double t, double mass,
32 double& fp,double& f0,double& ft) {return;}
33 virtual void getVectorFF(EvtId parent, EvtId daught,double t, double mass,
34 double& a1,double& a2,double& a0, double& v,
35 double& t1, double& t2, double& t3 ) {return;}