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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 | // | |
9 | // Module: EvtGen/EvtBtoXsllUtil.hh | |
10 | // | |
11 | // Description: | |
12 | // Class to generate inclusive non-resonant B -> Xs l+ l- decays. | |
13 | // | |
14 | // Modification history: | |
15 | // | |
16 | // Stephane Willocq Jan 19, 2001 Module created | |
17 | // Stephane Willocq Nov 6, 2003 Update Wilson Coeffs | |
18 | // | |
19 | //------------------------------------------------------------------------ | |
20 | ||
21 | #ifndef EVTBTOXSLLUTIL_HH | |
22 | #define EVTBTOXSLLUTIL_HH | |
23 | ||
24 | #include "EvtGenBase/EvtComplex.hh" | |
25 | #include "EvtGenBase/EvtDecayIncoherent.hh" | |
26 | #include "EvtGenBase/EvtParticle.hh" | |
27 | ||
28 | class EvtComplex; | |
29 | ||
30 | class EvtBtoXsllUtil{ | |
31 | ||
32 | public: | |
33 | ||
34 | EvtComplex GetC7Eff0(double sh, bool nnlo=true); | |
35 | EvtComplex GetC7Eff1(double sh, double mb, bool nnlo=true); | |
36 | EvtComplex GetC9Eff0(double sh, double mb, bool nnlo=true, bool btod=false); | |
37 | EvtComplex GetC9Eff1(double sh, double mb, bool nnlo=true, bool btod=false); | |
38 | EvtComplex GetC10Eff(double sh, bool nnlo=true); | |
39 | ||
40 | double dGdsProb(double mb, double ms, double ml, | |
41 | double s); | |
42 | ||
43 | double dGdsdupProb(double mb, double ms, double ml, | |
44 | double s, double u); | |
45 | ||
46 | double FermiMomentum( double pf ); | |
47 | ||
48 | double FermiMomentumProb( double pb, double pf ); | |
49 | ||
50 | }; | |
51 | ||
52 | #endif | |
53 |