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da0e9ce3 | 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) 2001 Caltech | |
10 | // | |
11 | // Module: EvtGen/EvtLNuGamma.hh | |
12 | // | |
13 | // Description: B+ -> l+ nu gamma. Form factor is tree level, from | |
14 | // Korchemsky, Pirjol, and Yan,Phy Rev D 61 (200) 114510 | |
15 | // | |
16 | // | |
17 | // Modification history: | |
18 | // | |
19 | // Edward Chen April 24, 2001 Module created | |
20 | // | |
21 | //------------------------------------------------------------------------ | |
22 | ||
23 | #ifndef EVTLNUGAMMA_HH | |
24 | #define EVTLNUGAMMA_HH | |
25 | ||
26 | #include "EvtGenBase/EvtDecayAmp.hh" | |
27 | ||
28 | class EvtParticle; | |
29 | ||
30 | class EvtLNuGamma:public EvtDecayAmp { | |
31 | ||
32 | public: | |
33 | ||
34 | EvtLNuGamma(); | |
35 | virtual ~EvtLNuGamma(); | |
36 | ||
37 | std::string getName(); | |
38 | EvtDecayBase* clone(); | |
39 | ||
40 | void decay(EvtParticle *p); | |
41 | void init(); | |
42 | void initProbMax(); | |
43 | double getFormFactor(double photonEnergy); | |
44 | ||
45 | bool _fafvzero; | |
46 | ||
47 | }; | |
48 | ||
49 | #endif |