1 //--------------------------------------------------------------------------
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.
8 // Copyright Information: See EvtGen/COPYRIGHT
9 // Copyright (C) 1998 Caltech, UCSB
11 // Module: EvtGen/EvtXPsiGamma.hh
13 // Description:Implementation of the X3872(2-+) -> J/psi gamma decay
15 // Modification history:
17 // 7 May 2012: Module created
19 //------------------------------------------------------------------------
21 #ifndef EVTXPSIGAMMA_HH
22 #define EVTXPSIGAMMA_HH
27 #include "EvtGenBase/EvtDecayAmp.hh"
28 #include "EvtGenBase/EvtSemiLeptonicFF.hh"
29 #include "EvtGenBase/EvtSemiLeptonicAmp.hh"
33 class EvtXPsiGamma: public EvtDecayAmp {
38 virtual ~EvtXPsiGamma();
40 std::string getName();
41 EvtDecayBase* clone();
43 void decay(EvtParticle *p);
46 virtual void initProbMax();
50 // EvtSemiLeptonicFF *ffmodel;
51 // EvtSemiLeptonicAmp *calcamp;
53 EvtComplex fT2(EvtVector4R p, EvtVector4R q , EvtTensor4C epsPI, EvtVector4C epsEps, EvtVector4C epsEta);
54 EvtComplex fT3(EvtVector4R p, EvtVector4R q , EvtTensor4C epsPI, EvtVector4C epsEps, EvtVector4C epsEta);