include/EvtGenModels/EvtSLBaryonAmp.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
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0020
0021 #ifndef EVTSLBARYONAMP_HH
0022 #define EVTSLBARYONAMP_HH
0023
0024 #include "EvtGenBase/EvtSemiLeptonicAmp.hh"
0025
0026 class EvtAmp;
0027 class EvtComplex;
0028 class EvtDiracSpinor;
0029 class EvtParticle;
0030 class EvtRaritaSchwinger;
0031 class EvtSemiLeptonicFF;
0032 class EvtVector4C;
0033 class EvtVector4R;
0034
0035 class EvtSLBaryonAmp : public EvtSemiLeptonicAmp {
0036   public:
0037     ~EvtSLBaryonAmp();
0038
0039     //Daughters are initialized and have been added to the parent.
0040     //No need to carry around the daughters seperately!
0041     void CalcAmp( EvtParticle* parent, EvtAmp& amp,
0042                   EvtSemiLeptonicFF* FormFactors ) override;
0043
0044     void CalcAmp( EvtParticle* parent, EvtAmp& amp,
0045                   EvtSemiLeptonicFF* FormFactors, EvtComplex r00,
0046                   EvtComplex r01, EvtComplex r10, EvtComplex r11 );
0047
0048     double CalcMaxProb( EvtId parent, EvtId meson, EvtId lepton, EvtId nudaug,
0049                         EvtSemiLeptonicFF* FormFactors, EvtComplex r00,
0050                         EvtComplex r01, EvtComplex r10, EvtComplex r11 );
0051
0052   private:
0053     EvtVector4C EvtBaryonVACurrent( const EvtDiracSpinor& Bf,
0054                                     const EvtDiracSpinor& Bi,
0055                                     EvtVector4R parent, EvtVector4R daught,
0056                                     const double* ff, int pflag );
0057
0058     EvtVector4C EvtBaryonVARaritaCurrent( const EvtRaritaSchwinger& Bf_vect,
0059                                           const EvtDiracSpinor& Bi,
0060                                           EvtVector4R parent, EvtVector4R daught,
0061                                           const double* ff, int pflag );
0062 };
0063
0064 #endif