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/EvtScalarParticle.hh 00012 // 00013 // Description:Class to describe all spin 0 particles. 00014 // 00015 // Modification history: 00016 // 00017 // DJL/RYD September 25, 1996 Module created 00018 // 00019 //------------------------------------------------------------------------ 00020 00021 #ifndef EVTSCALARPARTICLE_HH 00022 #define EVTSCALARPARTICLE_HH 00023 00024 #include "EvtGenBase/EvtParticle.hh" 00025 //#include "EvtGenBase/EvtId.hh" 00026 class EvtId; 00027 00028 //Class to handle SCALAR particles. Not much to do. 00029 00030 class EvtScalarParticle: public EvtParticle { 00031 00032 public: 00033 00034 EvtScalarParticle() {} 00035 virtual ~EvtScalarParticle(); 00036 00037 void init(EvtId part_n,double e,double px,double py,double pz); 00038 void init(EvtId part_n,const EvtVector4R& p); 00039 00040 EvtSpinDensity rotateToHelicityBasis() const; 00041 EvtSpinDensity rotateToHelicityBasis(double alpha, 00042 double beta, 00043 double gamma) const; 00044 00045 private: 00046 00047 EvtScalarParticle(const EvtScalarParticle& scalar); 00048 EvtScalarParticle& operator=(const EvtScalarParticle& scalar); 00049 00050 }; 00051 00052 #endif 00053
1.4.7