MEfv2fs.h

// -*- C++ -*-
//
// MEfv2fs.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_MEfv2fs_H
#define HERWIG_MEfv2fs_H
//
// This is the declaration of the MEfv2fs class.
//
 
#include "GeneralHardME.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
#include "Herwig/MatrixElement/ProductionMatrixElement.h"
#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractFFSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractRFVVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractRFSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractVSSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractVVSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractFFVSVertex.h"
 
namespace Herwig {
using namespace ThePEG;
using ThePEG::Helicity::SpinorWaveFunction;
using ThePEG::Helicity::SpinorBarWaveFunction;
using ThePEG::Helicity::VectorWaveFunction;
using ThePEG::Helicity::ScalarWaveFunction;
 
 
class MEfv2fs: public GeneralHardME {
 
  typedef vector<SpinorWaveFunction> SpinorVector;
 
  typedef vector<SpinorBarWaveFunction> SpinorBarVector;
 
  typedef vector<VectorWaveFunction> VecWFVector;
 
public:
 
  virtual double me2() const;
 
  virtual void constructVertex(tSubProPtr subp);
 
private:
 
  ProductionMatrixElement fv2fbsHeME(const SpinorVector & spIn, 
                                     const VecWFVector & vecIn,
                                     const SpinorBarVector & spbOut,
                                     const ScalarWaveFunction & scaOut,
                                     double & full_me, bool first) const;
  
  ProductionMatrixElement fbv2fsHeME(const SpinorBarVector & spbIn, 
                                     const VecWFVector & vecIn,
                                     const SpinorVector & spOut,
                                     const ScalarWaveFunction & scaOut,
                                     double & full_me, bool first) const;
 
protected:
 
  virtual void debug(double me2) const;
 
public:
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  void doinit();
 
protected:
 
  virtual IBPtr clone() const {return new_ptr(*this);}
 
  virtual IBPtr fullclone() const {return new_ptr(*this);}
 
private:
 
  MEfv2fs & operator=(const MEfv2fs &) = delete;
 
private:
 
  vector<pair<AbstractFFSVertexPtr, AbstractVSSVertexPtr> > scalar_;
 
  vector<pair<AbstractFFSVertexPtr, AbstractFFVVertexPtr> > fermion_;
 
  vector<pair<AbstractFFVVertexPtr,AbstractVVSVertexPtr> > vector_;
 
  vector<pair<AbstractRFSVertexPtr, AbstractRFVVertexPtr> > RSfermion_;
 
  vector<AbstractFFVSVertexPtr> four_;
};
 
}
 
#endif /* HERWIG_MEfv2fs_H */