QTildeMatching.h

// -*- C++ -*-
//
// QTildeMatching.h is a part of Herwig - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2019 The Herwig Collaboration
//
// Herwig is licenced under version 3 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef Herwig_QTildeMatching_H
#define Herwig_QTildeMatching_H
//
// This is the declaration of the QTildeMatching class.
//
 
#include "Herwig/MatrixElement/Matchbox/Matching/ShowerApproximation.h"
#include "Herwig/Shower/ShowerHandler.h"
#include "Herwig/Shower/QTilde/Base/PartnerFinder.h"
#include "Herwig/Shower/QTilde/SplittingFunctions/SudakovFormFactor.h"
 
namespace Herwig {
 
using namespace ThePEG;
 
class QTildeMatching: public Herwig::ShowerApproximation {
 
public:
 
  QTildeMatching();
 
public:
 
  virtual CrossSection dSigHatDR() const;
 
  virtual double me2() const;
 
  virtual void checkCutoff();
 
  virtual void getShowerVariables();
 
protected:
 
  virtual bool isInShowerPhasespace() const;
 
  virtual bool isAboveCutoff() const;
 
  void calculateShowerVariables() const;
 
  double splitFn(const pair<Energy2,double>&) 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).
 
protected:
 
  virtual void doinit();
 
  virtual void doinitrun();
 
private:
 
  QTildeMatching & operator=(const QTildeMatching &) = delete;
 
  Ptr<ShowerHandler>::ptr theShowerHandler;
 
  Ptr<PartnerFinder>::ptr theQTildeFinder;
 
  Ptr<SudakovFormFactor>::ptr theQTildeSudakov;
 
  bool theCorrectForXZMismatch;
 
};
 
}
 
#endif /* Herwig_QTildeMatching_H */