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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) 1998 Caltech, UCSB | |
10 | // | |
11 | // Module: EvtGen/EvtScalarParticle.hh | |
12 | // | |
13 | // Description:Class to describe all spin 0 particles. | |
14 | // | |
15 | // Modification history: | |
16 | // | |
17 | // DJL/RYD September 25, 1996 Module created | |
18 | // | |
19 | //------------------------------------------------------------------------ | |
20 | ||
21 | #ifndef EVTSCALARPARTICLE_HH | |
22 | #define EVTSCALARPARTICLE_HH | |
23 | ||
24 | #include "EvtGenBase/EvtParticle.hh" | |
25 | class EvtId; | |
26 | ||
27 | ||
28 | class EvtScalarParticle: public EvtParticle { | |
29 | ||
30 | public: | |
31 | ||
32 | EvtScalarParticle() {} | |
33 | virtual ~EvtScalarParticle(); | |
34 | ||
35 | void init(EvtId part_n,double e,double px,double py,double pz); | |
36 | void init(EvtId part_n,const EvtVector4R& p); | |
37 | ||
38 | EvtSpinDensity rotateToHelicityBasis() const; | |
39 | EvtSpinDensity rotateToHelicityBasis(double alpha, | |
40 | double beta, | |
41 | double gamma) const; | |
42 | ||
43 | private: | |
44 | ||
45 | EvtScalarParticle(const EvtScalarParticle& scalar); | |
46 | EvtScalarParticle& operator=(const EvtScalarParticle& scalar); | |
47 | ||
48 | }; | |
49 | ||
50 | #endif | |
51 |