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Herwig  7.2.1
ZeroZeroOneSplitFn.h
1 // -*- C++ -*-
2 //
3 // ZeroZeroOneSplitFn.h is a part of Herwig - A multi-purpose Monte Carlo event generator
4 // Copyright (C) 2002-2019 The Herwig Collaboration
5 //
6 // Herwig is licenced under version 3 of the GPL, see COPYING for details.
7 // Please respect the MCnet academic guidelines, see GUIDELINES for details.
8 //
9 #ifndef HERWIG_ZeroZeroOneSplitFn_H
10 #define HERWIG_ZeroZeroOneSplitFn_H
11 //
12 // This is the declaration of the ZeroZeroOneSplitFn class.
13 //
14 
15 #include "Herwig/Shower/QTilde/SplittingFunctions/SplittingFunction.h"
16 
17 namespace Herwig {
18 
19 using namespace ThePEG;
20 
39 
40 public:
41 
47  virtual bool accept(const IdList & ids) const;
48 
60  virtual double P(const double z, const Energy2 t, const IdList & ids,
61  bool mass, const RhoDMatrix & rho) const;
62 
69  virtual double overestimateP(const double z, const IdList & ids) const;
70 
80  virtual double ratioP(const double z, const Energy2 t, const IdList & ids,
81  bool mass, const RhoDMatrix & rho) const;
82 
92  virtual double integOverP(const double z, const IdList & ids,
93  unsigned int PDFfactor=0) const;
94 
103  virtual double invIntegOverP(const double r, const IdList & ids,
104  unsigned int PDFfactor=0) const;
106 
117  virtual vector<pair<int,Complex> >
118  generatePhiForward(const double z, const Energy2 t, const IdList & ids,
119  const RhoDMatrix &);
131  virtual vector<pair<int,Complex> >
132  generatePhiBackward(const double z, const Energy2 t, const IdList & ids,
133  const RhoDMatrix &);
134 
144  virtual DecayMEPtr matrixElement(const double z, const Energy2 t,
145  const IdList & ids, const double phi, bool timeLike);
146 
147 public:
148 
155  static void Init();
156 
157 protected:
158 
165  virtual IBPtr clone() const {return new_ptr(*this);}
166 
171  virtual IBPtr fullclone() const {return new_ptr(*this);}
173 
174 private:
175 
180  ZeroZeroOneSplitFn & operator=(const ZeroZeroOneSplitFn &) = delete;
181 
182 };
183 
184 }
185 
186 #endif /* HERWIG_ZeroZeroOneSplitFn_H */
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
vector< tcPDPtr > IdList
Definition of the IdList for branchings.
Definition: ShowerConfig.h:64
This is an abstract class which defines the common interface for all splitting functions, for both initial-state and final-state radiation.
-*- C++ -*-
This class provides the concrete implementation of the exact leading-order splitting function for ...
virtual IBPtr clone() const
Make a simple clone of this object.