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1 | //-------------------------------------------------------------------------- | |
2 | // | |
3 | // Environment: | |
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. | |
7 | // | |
8 | // Copyright Information: See EvtGen/COPYRIGHT | |
9 | // Copyright (C) 2000 Caltech | |
10 | // | |
11 | // Module: | |
12 | // This is the base class for form factors in b->sll transitions. | |
13 | // | |
14 | // Description: | |
15 | // | |
16 | // Modification history: | |
17 | // | |
18 | // RYD January 5, 2000 Module created | |
19 | // | |
20 | //------------------------------------------------------------------------ | |
21 | ||
22 | #ifndef EVTBTOSLLFF_HH | |
23 | #define EVTBTOSLLFF_HH | |
24 | ||
25 | class EvtId; | |
26 | ||
27 | class EvtbTosllFF{ | |
28 | ||
29 | public: | |
30 | ||
31 | virtual ~EvtbTosllFF( ) { } ; | |
32 | ||
33 | virtual void getScalarFF(EvtId /*parent*/, EvtId /*daught*/,double /*t*/, | |
34 | double /*mass*/, double& /*fp*/,double& /*f0*/, | |
35 | double& /*ft*/) {return;} | |
36 | virtual void getVectorFF(EvtId /*parent*/, EvtId /*daught*/,double /*t*/, | |
37 | double /*mass*/, double& /*a1*/,double& /*a2*/, | |
38 | double& /*a0*/, double& /*v*/,double& /*t1*/, | |
39 | double& /*t2*/, double& /*t3*/ ) {return;} | |
40 | ||
41 | }; | |
42 | ||
43 | #endif |