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da0e9ce3 | 1 | /******************************************************************************* |
2 | * Project: BaBar detector at the SLAC PEP-II B-factory | |
3 | * Package: EvtGenBase | |
4 | * File: $Id: EvtPropBreitWigner.hh,v 1.3 2003/06/20 17:20:11 dvoretsk Exp $ | |
5 | * Author: Alexei Dvoretskii, dvoretsk@slac.stanford.edu, 2001-2002 | |
6 | * | |
7 | * Copyright (C) 2002 Caltech | |
8 | *******************************************************************************/ | |
9 | ||
10 | // Non-relativistic Breit-Wigner propagator | |
11 | ||
12 | #ifndef EVT_PROP_BREIT_WIGNER_HH | |
13 | #define EVT_PROP_BREIT_WIGNER_HH | |
14 | ||
15 | #include "EvtGenBase/EvtComplex.hh" | |
16 | #include "EvtGenBase/EvtPropagator.hh" | |
17 | ||
18 | class EvtPropBreitWigner : public EvtPropagator { | |
19 | public: | |
20 | ||
21 | EvtPropBreitWigner(double m0, double g0); | |
22 | EvtPropBreitWigner(const EvtPropBreitWigner& other); | |
23 | ~EvtPropBreitWigner(); | |
24 | ||
25 | EvtAmplitude<EvtPoint1D>* clone() const; | |
26 | ||
27 | protected: | |
28 | ||
29 | EvtComplex amplitude(const EvtPoint1D& m) const; | |
30 | ||
31 | }; | |
32 | ||
33 | ||
34 | #endif | |
35 |