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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) 2002 INFN-Pisa | |
10 | // | |
11 | // Module: EvtGen/EvtVSSBMixCPT.hh | |
12 | // | |
13 | // Description: | |
14 | // Routine to decay vector-> scalar scalar with coherent BB-like mixing | |
15 | // including CPT effects | |
16 | // Based on VSSBMIX | |
17 | // | |
18 | // Modification history: | |
19 | // | |
20 | // F. Sandrelli, Fernando M-V March 03, 2002 | |
21 | // | |
22 | //------------------------------------------------------------------------ | |
23 | ||
24 | #ifndef EVTVSSBMIXCPT_HH | |
25 | #define EVTVSSBMIXCPT_HH | |
26 | ||
27 | #include "EvtGenBase/EvtDecayAmp.hh" | |
28 | #include "EvtGenBase/EvtParticle.hh" | |
29 | #include "EvtGenBase/EvtComplex.hh" | |
30 | ||
31 | class EvtVSSBMixCPT : public EvtDecayAmp { | |
32 | public: | |
33 | EvtVSSBMixCPT() {} | |
34 | virtual ~EvtVSSBMixCPT(); | |
35 | ||
36 | std::string getName(); | |
37 | EvtDecayBase* clone(); | |
38 | ||
39 | void decay(EvtParticle *p); | |
40 | void init(); | |
41 | void initProbMax(); | |
42 | ||
43 | int nRealDaughters() {return 2;} | |
44 | private: | |
45 | double _freq; // mixing frequency in hbar/mm | |
46 | double _dGamma; | |
47 | EvtComplex _qoverp; | |
48 | EvtComplex _poverq; | |
49 | EvtComplex _z; | |
50 | double _chib0_b0bar; | |
51 | double _chib0bar_b0; | |
52 | ||
53 | EvtComplex _A_f; | |
54 | EvtComplex _Abar_f; | |
55 | ||
56 | EvtComplex _A_fbar; | |
57 | EvtComplex _Abar_fbar; | |
58 | ||
59 | }; | |
60 | ||
61 | #endif |