include/EvtGenExternal/EvtTauolaEngine.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
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0016 *                                                                      *
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0019 ***********************************************************************/
0020
0021 #ifdef EVTGEN_TAUOLA
0022
0023 #ifndef EVTTAUOLAENGINE_HH
0024 #define EVTTAUOLAENGINE_HH
0025
0026 #include "EvtGenBase/EvtDecayBase.hh"
0027 #include "EvtGenBase/EvtId.hh"
0028 #include "EvtGenBase/EvtParticle.hh"
0029 #include "EvtGenBase/EvtVector4R.hh"
0030
0031 #include "EvtGenModels/EvtAbsExternalGen.hh"
0032
0033 #ifdef EVTGEN_HEPMC3
0034 #include "HepMC3/Relatives.h"
0035 #include "HepMC3/Units.h"
0036
0037 #include "Tauola/TauolaHepMC3Event.h"
0038 #include "Tauola/TauolaHepMC3Particle.h"
0039 #else
0040 #include "Tauola/TauolaHepMCEvent.h"
0041 #include "Tauola/TauolaHepMCParticle.h"
0042 #include "Tauola/TauolaParticle.h"
0043 #endif
0044 #include "EvtGenBase/EvtHepMCEvent.hh"
0045
0046 #include <map>
0047 #include <vector>
0048
0049 // Description: Interface to the TAUOLA external generator
0050
0051 class EvtTauolaEngine : public EvtAbsExternalGen {
0052   public:
0053     EvtTauolaEngine( bool useEvtGenRandom = true );
0054
0055     bool doDecay( EvtParticle* theMother ) override;
0056
0057     void initialise() override;
0058
0059   protected:
0060   private:
0061     bool _initialised;
0062     int _tauPDG, _nTauolaModes;
0063     int _neutPropType, _posPropType, _negPropType;
0064
0065     GenParticlePtr createGenParticle( EvtParticle* theParticle );
0066
0067     void setUpPossibleTauModes();
0068     void setOtherParameters();
0069
0070     int getModeInt( EvtDecayBase* decayModel );
0071
0072     void decayTauEvent( EvtParticle* tauParticle );
0073 };
0074
0075 #endif
0076
0077 #endif