MEQq2Qq4.h

// -*- C++ -*-
//
// MEQq2Qq4.h is a part of ThePEG - Toolkit for HEP Event Generation
// Copyright (C) 1999-2019 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_MEQq2Qq_H
#define ThePEG_MEQq2Qq_H
// This is the declaration of the MEQq2Qq class.

#include "ThePEG/MatrixElement/ME2to2QCD.h"

namespace ThePEG {

class MEQq2Qq: public ME2to2QCD {

public:

  virtual double me2() const;

  virtual void getDiagrams() const;

  virtual Selector<const ColourLines *>
  colourGeometries(tcDiagPtr diag) const;

  virtual Selector<DiagramIndex> diagrams(const DiagramVector & dv) const;

protected:

  double colA() const
  {
    return (sqr(uHat()) + sqr(sHat()))/sqr(tHat());
  }

public:

  static void Init();

protected:

  virtual IBPtr clone() const { return new_ptr(*this); }

  virtual IBPtr fullclone() const { return new_ptr(*this); }

private:

  static NoPIOClassDescription<MEQq2Qq> initMEQq2Qq;

  MEQq2Qq & operator=(const MEQq2Qq &) = delete;

};

}


namespace ThePEG {

template <>
struct BaseClassTrait<MEQq2Qq,1>: public ClassTraitsType {
  typedef ME2to2QCD NthBase;
};

template <>
struct ClassTraits<MEQq2Qq>: public ClassTraitsBase<MEQq2Qq> {
  static string className() { return "ThePEG::MEQq2Qq"; }
  static string library() { return "MEQCD.so"; }
};

}

#endif /* ThePEG_MEQq2Qq_H */