MEff2rf.h

// -*- C++ -*-
#ifndef Herwig_MEff2rf_H
#define Herwig_MEff2rf_H
//
// This is the declaration of the MEff2rf class.
//
 
#include "GeneralHardME.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/RSSpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/RSSpinorBarWaveFunction.h"
#include "Herwig/MatrixElement/ProductionMatrixElement.h"
#include "ThePEG/Helicity/Vertex/AbstractFFSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractRFSVertex.h"
#include "ThePEG/Helicity/Vertex/AbstractRFVVertex.h"
 
namespace Herwig {
 
using namespace ThePEG;
using Helicity::SpinorWaveFunction;
using Helicity::SpinorBarWaveFunction;
using Helicity::RSSpinorWaveFunction;
using Helicity::RSSpinorBarWaveFunction;
 
class MEff2rf: public GeneralHardME {
 
public:
  
  typedef vector<SpinorWaveFunction> SpinorVector;
 
  typedef vector<SpinorBarWaveFunction> SpinorBarVector;
  
  typedef vector<RSSpinorWaveFunction> RSSpinorVector;
 
  typedef vector<RSSpinorBarWaveFunction> RSSpinorBarVector;
 
public:
 
  virtual double me2() const;
 
private:
  
  ProductionMatrixElement
  ffb2rfbHeME(double & me2, bool first) const;
  
  ProductionMatrixElement
  ffb2rbfHeME(double & me2, bool first) const;
 
  ProductionMatrixElement ff2rfHeME(double & me2, bool first) const;
  
  ProductionMatrixElement fbfb2rbfbHeME(double & me2, bool first) const;
 
  ProductionMatrixElement 
  ffb2mfmfHeME(double & me2, bool first) const;
 
  virtual void constructVertex(tSubProPtr sub);
 
public:
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const;
 
  virtual IBPtr fullclone() const;
 
protected:
 
  virtual void doinit();
 
private:
 
  MEff2rf & operator=(const MEff2rf &) = delete;
 
private:
  
  vector<pair<AbstractFFSVertexPtr, AbstractRFSVertexPtr> > scalar_;
 
  vector<pair<AbstractFFVVertexPtr, AbstractRFVVertexPtr> > vector_;
 
  mutable std::array<SpinorVector,3> spin_;
 
  mutable std::array<SpinorBarVector,3> sbar_;
 
  mutable RSSpinorVector rs_;
  mutable RSSpinorBarVector rsbar_;
};
 
}
 
#endif /* Herwig_MEff2rf_H */