00001 //-------------------------------------------------------------------------- 00002 // 00003 // Environment: 00004 // This software is part of the EvtGen package developed jointly 00005 // for the BaBar and CLEO collaborations. If you use all or part 00006 // of it, please give an appropriate acknowledgement. 00007 // 00008 // Copyright Information: See EvtGen/COPYRIGHT 00009 // Copyright (C) 1998 Caltech, UCSB 00010 // 00011 // Module: EvtGen/EvtSVVHelAmp.hh 00012 // 00013 // Description: 00014 // 00015 // Modification history: 00016 // 00017 // DJL/RYD August 11, 1998 Module created 00018 // 00019 //------------------------------------------------------------------------ 00020 00021 #ifndef EVTSVVHELAMP_HH 00022 #define EVTSVVHELAMP_HH 00023 00024 #include "EvtGenBase/EvtDecayAmp.hh" 00025 00026 //Class to handle decays of the form SCALAR -> VECTOR VECTOR 00027 //according the the helicity amplitudes specified by the 00028 //user. There are 6 arguements, orders as amplitude then 00029 //phase for H+, H0, and H-, in that order. 00030 00031 class EvtAmp; 00032 class EvtParticle; 00033 class EvtId; 00034 00035 class EvtSVVHelAmp:public EvtDecayAmp { 00036 00037 public: 00038 00039 EvtSVVHelAmp() {} 00040 virtual ~EvtSVVHelAmp(); 00041 00042 void getName(std::string& name); 00043 EvtDecayBase* clone(); 00044 00045 void init(); 00046 void initProbMax(); 00047 00048 void decay(EvtParticle *p); 00049 00050 static void SVVHel(EvtParticle *parent,EvtAmp& amp,EvtId n_v1,EvtId n_v2, 00051 const EvtComplex& hp, const EvtComplex& h0, 00052 const EvtComplex& hm); 00053 00054 }; 00055 00056 #endif