VVVVertex.h

// -*- C++ -*-
//
// VVVVertex.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 2003-2007 Peter Richardson, Leif Lonnblad
//
// ThePEG is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef ThePEG_VVVVertex_H
#define ThePEG_VVVVertex_H
//
// This is the declaration of the VVVVertex class.

#include "ThePEG/Helicity/Vertex/AbstractVVVVertex.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "VVVVertex.fh"

namespace ThePEG {
namespace Helicity{
  
class VVVVertex: public AbstractVVVVertex {
    
public:

  static void Init();
  
public:
  
  Complex evaluate(Energy2 q2, const VectorWaveFunction & vec1,
                   const VectorWaveFunction & vec2, const VectorWaveFunction & vec3);

  VectorWaveFunction evaluate(Energy2 q2,int iopt, tcPDPtr out,
                              const VectorWaveFunction & vec2,
                              const VectorWaveFunction & vec3,
                              Energy mass=-GeV, Energy width=-GeV);

  virtual void setCoupling(Energy2 q2,tcPDPtr part1,
                           tcPDPtr part2,tcPDPtr part3)=0;
  
private:
  
  static AbstractNoPIOClassDescription<VVVVertex> initVVVVertex;
  
  VVVVertex & operator=(const VVVVertex &);
  
};

}

template <>
struct BaseClassTrait<ThePEG::Helicity::VVVVertex,1> {
  typedef ThePEG::Helicity::AbstractVVVVertex NthBase;
};

template <>
struct ClassTraits<ThePEG::Helicity::VVVVertex>
  : public ClassTraitsBase<ThePEG::Helicity::VVVVertex> {

  static string className() { return "ThePEG::VVVVertex"; }
};

}


#endif /* ThePEG_VVVVertex_H */

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