FFVTVertex.h

// -*- C++ -*-
//
// FFVTVertex.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 2003-2019 Peter Richardson, Leif Lonnblad
//
// ThePEG is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_FFVTVertex_H
#define ThePEG_FFVTVertex_H
//
// This is the declaration of the FFVTVertex class.
//
#include "ThePEG/Helicity/Vertex/AbstractFFVTVertex.h"
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/TensorWaveFunction.h"
#include "FFVTVertex.fh"

namespace ThePEG {
namespace Helicity {

class FFVTVertex: public AbstractFFVTVertex {
      
public:

  FFVTVertex() : left_(1.), right_(1.) {}

  static void Init();
  
public:
  
  Complex evaluate(Energy2 q2,const SpinorWaveFunction & sp1,
                   const SpinorBarWaveFunction & sbar2,
                   const VectorWaveFunction & vec3, const TensorWaveFunction & ten4);

  virtual void setCoupling(Energy2,tcPDPtr,tcPDPtr,tcPDPtr) {
    assert(false);
  }

  virtual void setCoupling(Energy2 q2,tcPDPtr part1,tcPDPtr part2,tcPDPtr part3,
                           tcPDPtr part4)=0;

  Complex left() const {return left_;}

  void left(Complex in) {left_ = in;}

  Complex right() const {return right_;}

  void right(Complex in) {right_ = in;}
    
private:
  
  FFVTVertex & operator=(const FFVTVertex &) = delete;
  
private:

  Complex left_;

  Complex right_;

};
}

}
#endif /* ThePEG_FFVTVertex_H */