EvtNeutrinoParticle.hh

Go to the documentation of this file.

//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtGen/EvtNeutrinoParticle.hh
//
// Description:Class to describe neutrinos
//
// Modification history:
//
//    RYD     September 25, 1996         Module created
//
//------------------------------------------------------------------------
 
#ifndef EVTNEUTRINOPARTICLE_HH
#define EVTNEUTRINOPARTICLE_HH
 
#include "EvtDiracSpinor.hh"
#include "EvtParticle.hh"
// #include "EvtId.hh"
class EvtId;
class EvtVector4R;
 
class EvtNeutrinoParticle : public EvtParticle {
 
public:
  EvtNeutrinoParticle();
  virtual ~EvtNeutrinoParticle();
  void init( EvtId part_n, const EvtVector4R& p4 );
  // Return spinors
  EvtDiracSpinor spParentNeutrino() const;
  EvtDiracSpinor spNeutrino() const;
  EvtSpinDensity rotateToHelicityBasis() const;
  EvtSpinDensity rotateToHelicityBasis( double alpha, double beta, double gamma ) const;
 
private:
  EvtDiracSpinor spinor_rest;
  EvtDiracSpinor spinor_parent;
 
  EvtNeutrinoParticle( const EvtNeutrinoParticle& n );
  EvtNeutrinoParticle& operator=( const EvtNeutrinoParticle& n );
};
#endif