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da0e9ce3 | 1 | /******************************************************************************* |
2 | * Project: BaBar detector at the SLAC PEP-II B-factory | |
3 | * Package: EvtGenBase | |
4 | * Author: Denis Dujmic, SLAC | |
5 | * | |
6 | * Copyright (C) 2005 SLAC | |
7 | *******************************************************************************/ | |
8 | ||
9 | // Flatte propagator: S.M.Flatte, Phys. Lett. B63, 224 (1976) | |
10 | ||
11 | #ifndef EVT_PROP_FLATTE_HH | |
12 | #define EVT_PROP_FLATTE_HH | |
13 | ||
14 | #include "EvtGenBase/EvtComplex.hh" | |
15 | #include "EvtGenBase/EvtPropagator.hh" | |
16 | ||
17 | ||
18 | class EvtPropFlatte : public EvtPropagator { | |
19 | public: | |
20 | ||
21 | EvtPropFlatte(double m0, | |
22 | double g0, double m0a, double m0b, | |
23 | double g1, double m1a, double m1b); | |
24 | EvtPropFlatte(const EvtPropFlatte& other); | |
25 | ~EvtPropFlatte(); | |
26 | ||
27 | EvtAmplitude<EvtPoint1D>* clone() const; | |
28 | ||
29 | protected: | |
30 | ||
31 | EvtComplex amplitude(const EvtPoint1D& x) const; | |
32 | ||
33 | double _m0a; | |
34 | double _m0b; | |
35 | ||
36 | double _g1; | |
37 | double _m1a; | |
38 | double _m1b; | |
39 | ||
40 | }; | |
41 | ||
42 | #endif | |
43 |