VVSSVertex.h

// -*- C++ -*-
//
// VVSSVertex.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_VVSSVertex_H
#define ThePEG_VVSSVertex_H
//
// This is the declaration of the VVSSVertex class.
//
#include "ThePEG/Helicity/Vertex/AbstractVVSSVertex.h"
#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
#include "VVSSVertex.fh"

namespace ThePEG {
namespace Helicity {

class VVSSVertex: public AbstractVVSSVertex {
  
public:
  
  static void Init();
  
public:

  Complex evaluate(Energy2 q2, const VectorWaveFunction & vec1,
                   const VectorWaveFunction & vec2, const ScalarWaveFunction & sca3,
                   const ScalarWaveFunction & sca4);

  VectorWaveFunction evaluate(Energy2 q2, int iopt,tcPDPtr out,
                              const VectorWaveFunction & vec2,
                              const ScalarWaveFunction & sca3,
                              const ScalarWaveFunction & sca4,
                              Energy mass=-GeV, Energy width=-GeV);

  ScalarWaveFunction evaluate(Energy2 q2, int iopt,tcPDPtr out,
                              const VectorWaveFunction & vec1,
                              const VectorWaveFunction & vec2,
                              const ScalarWaveFunction & sca3,
                              Energy mass=-GeV, Energy width=-GeV);

  virtual void setCoupling(Energy2 q2,tcPDPtr part1,tcPDPtr part2,tcPDPtr part3,
                           tcPDPtr part4)=0;
  
private:
  
  static AbstractNoPIOClassDescription<VVSSVertex> initVVSSVertex;
  
  VVSSVertex & operator=(const VVSSVertex &);
  
};

}

template <>
struct BaseClassTrait<ThePEG::Helicity::VVSSVertex,1> {
  typedef ThePEG::Helicity::AbstractVVSSVertex NthBase;
};
  
template <>
struct ClassTraits<ThePEG::Helicity::VVSSVertex>
  : public ClassTraitsBase<ThePEG::Helicity::VVSSVertex> {
  
  static string className() { return "ThePEG::VVSSVertex"; }
};

}


#endif /* ThePEG_VVSSVertex_H */

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