WeizsackerWilliamsPDF.h

// -*- C++ -*-
#ifndef THEPEG_WeizsackerWilliamsPDF_H
#define THEPEG_WeizsackerWilliamsPDF_H
//
// This is the declaration of the WeizsackerWilliamsPDF class.
//
 
#include "ThePEG/PDF/PDFBase.h"
 
namespace ThePEG {
 
using namespace ThePEG;
 
class WeizsackerWilliamsPDF: public PDFBase {
 
public:
 
  WeizsackerWilliamsPDF();
 
  virtual bool canHandleParticle(tcPDPtr particle) const;
 
  virtual cPDVector partons(tcPDPtr particle) const;
 
  virtual double xfl(tcPDPtr particle, tcPDPtr parton, Energy2 partonScale,
                     double l, Energy2 particleScale = ZERO) const;
 
  virtual double xfvl(tcPDPtr particle, tcPDPtr parton, Energy2 partonScale,
                     double l, Energy2 particleScale = ZERO) const;
 
  virtual double flattenScale(tcPDPtr particle, tcPDPtr parton,
                               const PDFCuts & cut, double l, double z,
                               double & jacobian) const;
 
  virtual double flattenL(tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut,
                          double z, double & jacobian) const;
 
public:
 
  void persistentOutput(PersistentOStream & os) const;
 
  void persistentInput(PersistentIStream & is, int version);
 
  static void Init();
 
protected:
 
  virtual IBPtr clone() const {return new_ptr(*this);}
 
  virtual IBPtr fullclone() const {return new_ptr(*this);}
 
private:
 
  static ClassDescription<WeizsackerWilliamsPDF> initWeizsackerWilliamsPDF;
 
  WeizsackerWilliamsPDF & operator=(const WeizsackerWilliamsPDF &) = delete;
 
private:
 
  Energy2 _q2min;
 
  Energy2 _q2max;
 
  double _a;
};
 
}
 
#include "ThePEG/Utilities/ClassTraits.h"
 
namespace ThePEG {
 
template <>
struct BaseClassTrait<WeizsackerWilliamsPDF,1> {
  typedef PDFBase NthBase;
};
 
template <>
struct ClassTraits<WeizsackerWilliamsPDF>
  : public ClassTraitsBase<WeizsackerWilliamsPDF> {
  static string className() { return "ThePEG::WeizsackerWilliamsPDF"; }
  static string library() { return "WeizsackerWilliamsPDF.so"; }
};
 
}
 
#endif /* THEPEG_WeizsackerWilliamsPDF_H */