LeptonNeutrinoCurrent.h

// -*- C++ -*-
//
// LeptonNeutrinoCurrent.h is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2019 The Herwig Collaboration
//
// Herwig is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef HERWIG_LeptonNeutrinoCurrent_H
#define HERWIG_LeptonNeutrinoCurrent_H
//
// This is the declaration of the LeptonNeutrinoCurrent class.
//
#include "WeakCurrent.h"
#include "LeptonNeutrinoCurrent.fh"
#include "ThePEG/Helicity/LorentzSpinorBar.h"
 
namespace Herwig {
using namespace ThePEG;
using ThePEG::Helicity::LorentzPolarizationVector;
 
class LeptonNeutrinoCurrent: public WeakCurrent {
 
public:
 
  LeptonNeutrinoCurrent() {
    // set up the modes in the base class
    addDecayMode(11,-12);
    addDecayMode(13,-15);
    addDecayMode(15,-16);
    setInitialModes(3);
  }
 
public:
 
  virtual bool createMode(int icharge, tcPDPtr resonance,
                          FlavourInfo flavour,
                          unsigned int imode,PhaseSpaceModePtr mode,
                          unsigned int iloc,int ires,
                          PhaseSpaceChannel phase, Energy upp );
 
  virtual tPDVector particles(int icharge, unsigned int imode, int iq, int ia);
 
  virtual vector<LorentzPolarizationVectorE> 
  current(tcPDPtr resonance,
          FlavourInfo flavour,
          const int imode, const int ichan,Energy & scale,
          const tPDVector & outgoing,
          const vector<Lorentz5Momentum> & momenta,
          DecayIntegrator::MEOption meopt) const;
 
  void constructSpinInfo(ParticleVector decay) const;
 
  virtual bool accept(vector<int> id);
 
  virtual unsigned int decayMode(vector<int> id);
 
  virtual void dataBaseOutput(ofstream & os,bool header,bool create) const;
 
public:
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const {return new_ptr(*this);}
 
  virtual IBPtr fullclone() const {return new_ptr(*this);}
 
private:
 
  LeptonNeutrinoCurrent & operator=(const LeptonNeutrinoCurrent &) = delete;
 
private:
  
  mutable vector<Helicity::LorentzSpinor   <SqrtEnergy> > wave_;
 
  mutable vector<Helicity::LorentzSpinorBar<SqrtEnergy> > wavebar_;
  
};
 
}
 
 
#endif /* HERWIG_LeptonNeutrinoCurrent_H */