include/EvtGenBase/EvtNeutrinoParticle.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
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0020
0021 #ifndef EVTNEUTRINOPARTICLE_HH
0022 #define EVTNEUTRINOPARTICLE_HH
0023
0024 #include "EvtGenBase/EvtDiracSpinor.hh"
0025 #include "EvtGenBase/EvtParticle.hh"
0026 class EvtId;
0027 class EvtVector4R;
0028
0029 class EvtNeutrinoParticle : public EvtParticle {
0030   public:
0031     EvtNeutrinoParticle() = default;
0032     void init( EvtId part_n, const EvtVector4R& p4 ) override;
0033     EvtDiracSpinor spParentNeutrino() const override;
0034     EvtDiracSpinor spNeutrino() const override;
0035     EvtSpinDensity rotateToHelicityBasis() const override;
0036     EvtSpinDensity rotateToHelicityBasis( double alpha, double beta,
0037                                           double gamma ) const override;
0038
0039   private:
0040     EvtDiracSpinor spinor_rest;
0041     EvtDiracSpinor spinor_parent;
0042
0043     EvtNeutrinoParticle( const EvtNeutrinoParticle& n );
0044     EvtNeutrinoParticle& operator=( const EvtNeutrinoParticle& n );
0045 };
0046 #endif