ThePEG  1.8.0
BudnevPDF.h
1 // -*- C++ -*-
2 #ifndef THEPEG_BudnevPDF_H
3 #define THEPEG_BudnevPDF_H
4 //
5 // This is the declaration of the BudnevPDF class.
6 //
7 
8 #include "ThePEG/PDF/PDFBase.h"
9 
10 namespace ThePEG {
11 
12 using namespace ThePEG;
13 
20 class BudnevPDF: public PDFBase {
21 
22 public:
23 
27  BudnevPDF();
28 
35  virtual bool canHandleParticle(tcPDPtr particle) const;
36 
41  virtual cPDVector partons(tcPDPtr particle) const;
42 
49  virtual double xfl(tcPDPtr particle, tcPDPtr parton, Energy2 partonScale,
50  double l, Energy2 particleScale = ZERO) const;
51 
60  virtual double xfvl(tcPDPtr particle, tcPDPtr parton, Energy2 partonScale,
61  double l, Energy2 particleScale = ZERO) const;
62 
76  virtual double flattenScale(tcPDPtr particle, tcPDPtr parton,
77  const PDFCuts & cut, double l, double z,
78  double & jacobian) const;
79 
80 
91  virtual double flattenL(tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut,
92  double z, double & jacobian) const;
94 
95 public:
96 
103  void persistentOutput(PersistentOStream & os) const;
104 
110  void persistentInput(PersistentIStream & is, int version);
112 
119  static void Init();
120 
121 protected:
122 
129  virtual IBPtr clone() const {return new_ptr(*this);}
130 
135  virtual IBPtr fullclone() const {return new_ptr(*this);}
137 
138 private:
139 
145 
150  BudnevPDF & operator=(const BudnevPDF &);
151 
152 private:
153 
157  Energy2 _q2min;
158 
162  Energy2 _q2max;
163 
167  const Energy2 _q02;
168 
172  const double _mup2;
173 
174 
179  double gm2(Energy2 q2) const;
180 
181 
186  double ge2(Energy2 q2) const;
187 
188 
189 };
190 
191 }
192 
193 #include "ThePEG/Utilities/ClassTraits.h"
194 
195 namespace ThePEG {
196 
201 template <>
202 struct BaseClassTrait<BudnevPDF,1> {
204  typedef PDFBase NthBase;
205 };
206 
209 template <>
210 struct ClassTraits<BudnevPDF>
211  : public ClassTraitsBase<BudnevPDF> {
213  static string className() { return "ThePEG::BudnevPDF"; }
221  static string library() { return "BudnevPDF.so"; }
222 };
223 
226 }
227 
228 #endif /* THEPEG_BudnevPDF_H */