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da0e9ce3 | 1 | /******************************************************************************* |
2 | * Project: BaBar detector at the SLAC PEP-II B-factory | |
3 | * Package: EvtGenBase | |
4 | * Author: Denis Dujmic, ddujmic@slac.stanford.edu | |
5 | * | |
6 | * Copyright (C) 2005 SLAC | |
7 | *******************************************************************************/ | |
8 | ||
9 | #ifndef EVT_NONRESONANT_AMP_HH | |
10 | #define EVT_NONRESONANT_AMP_HH | |
11 | ||
12 | #include "EvtGenBase/EvtCyclic3.hh" | |
13 | #include "EvtGenBase/EvtDalitzPoint.hh" | |
14 | #include "EvtGenBase/EvtDalitzPlot.hh" | |
15 | #include "EvtGenBase/EvtPto3PAmp.hh" | |
16 | #include "EvtGenBase/EvtAmplitude.hh" | |
17 | #include "EvtGenBase/EvtSpinType.hh" | |
18 | ||
19 | class EvtComplex; | |
20 | ||
21 | ||
22 | ||
23 | class EvtNonresonantAmp : public EvtAmplitude<EvtDalitzPoint> { | |
24 | ||
25 | public: | |
26 | ||
27 | EvtNonresonantAmp( EvtDalitzPlot *dp, | |
28 | EvtPto3PAmp::NumType type, | |
29 | EvtCyclic3::Pair pair1, double par1=0, | |
30 | EvtCyclic3::Pair pair2=EvtCyclic3::AB, double par2=0, | |
31 | EvtSpinType::spintype spin=EvtSpinType::SCALAR); | |
32 | ||
33 | ||
34 | EvtNonresonantAmp(const EvtNonresonantAmp& other); | |
35 | ||
36 | ~EvtNonresonantAmp(); | |
37 | ||
38 | virtual EvtComplex amplitude(const EvtDalitzPoint& p) const; | |
39 | ||
40 | virtual EvtAmplitude<EvtDalitzPoint>* clone() const | |
41 | { return new EvtNonresonantAmp(*this); } | |
42 | ||
43 | private: | |
44 | ||
45 | EvtDalitzPlot *_dalitzSpace; | |
46 | ||
47 | EvtPto3PAmp::NumType _type; | |
48 | ||
49 | EvtCyclic3::Pair _pair1, _pair2; | |
50 | ||
51 | double _par1, _par2; | |
52 | ||
53 | EvtSpinType::spintype _spin; | |
54 | }; | |
55 | ||
56 | #endif | |
57 | ||
58 | ||
59 | ||
60 | ||
61 | ||
62 | ||
63 | ||
64 |