DipoleShowerParticle.h

// -*- C++ -*-
//
// DipoleShowerParticle.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 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef HERWIG_DipoleShowerParticle_H
#define HERWIG_DipoleShowerParticle_H
//
// This is the declaration of the DipoleShowerParticle class.
//
 
#include "ThePEG/EventRecord/Particle.h"
#include "ThePEG/Helicity/WaveFunction/WaveFunctionBase.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
 
#include "DipoleShowerVertex.h"
 
namespace Herwig {
 
  using namespace ThePEG;
  
  class DipoleShowerParticle : public Base {
    
  public:
 
    DipoleShowerParticle() {}
 
    ~DipoleShowerParticle() {}
 
  public:   
 
    void clear();
 
    void prepare( PPtr& part,
                  const Helicity::Direction emmDir,
                  const Helicity::Direction specDir,
                  const Lorentz5Momentum& pVector,
                  const Lorentz5Momentum& nVector );
    
    DSVertexPtr decayVertex() { return theDecayVertex; }
    
    vector<LorentzSpinor<SqrtEnergy> > createFermionDecayStates();
 
    void createVectorDecayStates();
    
    void createNewFermionSpinInfo( PPtr& outgoing, Helicity::Direction dir);
 
    void createNewVectorSpinInfo( PPtr& outgoing, Helicity::Direction dir);
    
    void setFermionMapping( const vector<LorentzSpinor<SqrtEnergy>>& decayBasis );
 
    void setVectorMapping();
 
  public:
 
    static void Init();
 
  private:
 
    PPtr theParticle;
    
    DSVertexPtr theDecayVertex;
 
  private:
 
    DipoleShowerParticle & operator=(const DipoleShowerParticle &) = delete;
 
  };
}
 
#include "ThePEG/Utilities/ClassTraits.h"
 
namespace ThePEG {
 
  template <>
  struct BaseClassTrait<Herwig::DipoleShowerParticle,1> {
    typedef Base NthBase;
  };
 
  template <>
  struct ClassTraits<Herwig::DipoleShowerParticle>
    : public ClassTraitsBase<Herwig::DipoleShowerParticle> {
    static string className() { return "Herwig::DipoleShowerParticle"; }
    static string library() { return "HwDipoleShower.so"; }
  };
 
}
#endif /* HERWIG_DipoleShowerParticle_H */