PowhegHandler.h

// -*- C++ -*-
#ifndef Herwig_PowhegHandler_H
#define Herwig_PowhegHandler_H
//
// This is the declaration of the PowhegHandler class.
//
 
#include "MatchingHandler.h"
 
namespace Herwig {
 
using namespace ThePEG;
 
class PowhegHandler: public MatchingHandler {
 
public:
 
  PowhegHandler()  : MatchingHandler(false), pTDefinition_(0), maxpT_(GeV)
  {}
 
  virtual double reweightCKKW(int minMult, int maxMult);
 
  virtual HardTreePtr generateCKKW(ShowerTreePtr tree) const;
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual double sudakovWeight( CKKWTreePtr ) {
    return 1.;
  }
 
  virtual PotentialTree chooseHardTree(double totalWeight,
                                       double nonOrderedWeight);
 
protected:
 
  virtual IBPtr clone() const;
 
  virtual IBPtr fullclone() const;
 
private:
 
  PowhegHandler & operator=(const PowhegHandler &) = delete;
 
private:
 
  unsigned int pTDefinition_;
 
  Energy maxpT_;
 
};
 
}
 
#endif /* Herwig_PowhegHandler_H */