VVSVertex.h

// -*- C++ -*-
//
// VVSVertex.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_VVSVertex_H
#define ThePEG_VVSVertex_H
//
// This is the declaration of the VVSVertex class.

#include "ThePEG/Helicity/Vertex/AbstractVVSVertex.h"
#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "VVSVertex.fh"

namespace ThePEG {
namespace Helicity {

class VVSVertex: public AbstractVVSVertex {
  
public:

  static void Init();
  
public:
  
  Complex evaluate(Energy2 q2,const VectorWaveFunction & vec1,
                   const VectorWaveFunction & vec2, const ScalarWaveFunction & sca3);

  VectorWaveFunction evaluate(Energy2 q2,int iopt,tcPDPtr out,
                              const VectorWaveFunction & vec2,
                              const ScalarWaveFunction & sca3,
                              complex<Energy> mass=-GeV, complex<Energy> width=-GeV);

  ScalarWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
                              const VectorWaveFunction & vec1,
                              const VectorWaveFunction & vec2,
                              complex<Energy> mass=-GeV, complex<Energy> width=-GeV);

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

  virtual void setCoupling(Energy2,tcPDPtr,tcPDPtr,tcPDPtr,tcPDPtr) {
    assert(false);
  }
  
private:
  
  VVSVertex & operator=(const VVSVertex &) = delete;
  
};

}

}
#endif /* ThePEG_VVSVertex_H */