MEMinBias.h

// -*- C++ -*-
#ifndef HERWIG_MEMinBias_H
#define HERWIG_MEMinBias_H
//
// This is the declaration of the MEMinBias class.
//
 
#include "Herwig/MatrixElement/HwMEBase.h"
#include "Herwig/Shower/UEBase.h"
 
namespace Herwig {
 
using namespace ThePEG;
 
class MEMinBias: public HwMEBase {
 
public:
 
  MEMinBias() : csNorm_(1.), Scale_(2.*GeV) {}
 
public:
 
  virtual unsigned int orderInAlphaS() const;
 
  virtual unsigned int orderInAlphaEW() const;
 
  virtual double me2() const;
 
  double correctionweight() const;
  
  virtual Energy2 scale() const;
 
  virtual void setKinematics();
 
  virtual int nDim() const;
 
  virtual bool generateKinematics(const double * r);
 
  virtual CrossSection dSigHatDR() const;
 
  virtual void getDiagrams() const;
 
  virtual Selector<DiagramIndex> diagrams(const DiagramVector & dv) const;
 
  virtual Selector<const ColourLines *>
  colourGeometries(tcDiagPtr diag) const;
 
 
public:
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const;
 
  virtual IBPtr fullclone() const;
 
 
// If needed, insert declarations of virtual function defined in the
// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
 
 
private:
  double csNorm_;       
 
  Energy Scale_;
 
  bool onlyValQuarks_=true;
 
  UEBasePtr MPIHandler_;
 
  MEMinBias & operator=(const MEMinBias &) = delete;
 
};
 
}
 
#endif /* HERWIG_MEMinBias_H */