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Herwig 7.3.0
OneHalfHalfSplitFn.h
1// -*- C++ -*-
2//
3// OneHalfHalfSplitFn.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_OneHalfHalfSplitFn_H
10#define HERWIG_OneHalfHalfSplitFn_H
11//
12// This is the declaration of the OneHalfHalfSplitFn class.
13//
14
15#include "Herwig/Shower/QTilde/SplittingFunctions/SplittingFunction.h"
16
17namespace Herwig {
18
19using namespace ThePEG;
20
40
41public:
42
48 virtual bool accept(const IdList & ids) const;
49
62 virtual double P(const double z, const Energy2 t, const IdList & ids,
63 const bool mass, const RhoDMatrix & rho) const;
64
65
72 virtual double overestimateP(const double z, const IdList & ids) const;
73
84 virtual double ratioP(const double z, const Energy2 t, const IdList & ids,
85 const bool mass, const RhoDMatrix & rho) const;
86
96 virtual double integOverP(const double z, const IdList & ids,
97 unsigned int PDFfactor=0) const;
98
107 virtual double invIntegOverP(const double r, const IdList & ids,
108 unsigned int PDFfactor=0) const;
110
121 virtual vector<pair<int,Complex> >
122 generatePhiForward(const double z, const Energy2 t, const IdList & ids,
123 const RhoDMatrix &);
124
135 virtual vector<pair<int,Complex> >
136 generatePhiBackward(const double z, const Energy2 t, const IdList & ids,
137 const RhoDMatrix &);
138
146 virtual DecayMEPtr matrixElement(const double z, const Energy2 t,
147 const IdList & ids, const double phi, bool timeLike);
148
149public:
150
157 static void Init();
158
159protected:
160
167 virtual IBPtr clone() const {return new_ptr(*this);}
168
173 virtual IBPtr fullclone() const {return new_ptr(*this);}
175
176private:
177
183
184};
185
186}
187
188#endif /* HERWIG_OneHalfHalfSplitFn_H */
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.
virtual DecayMEPtr matrixElement(const double z, const Energy2 t, const IdList &ids, const double phi, bool timeLike)
Calculate the matrix element for the splitting.
virtual double ratioP(const double z, const Energy2 t, const IdList &ids, const bool mass, const RhoDMatrix &rho) const
The concrete implementation of the the ratio of the splitting function to the overestimate,...
virtual vector< pair< int, Complex > > generatePhiBackward(const double z, const Energy2 t, const IdList &ids, const RhoDMatrix &)
Method to calculate the azimuthal angle.
OneHalfHalfSplitFn & operator=(const OneHalfHalfSplitFn &)=delete
The assignment operator is private and must never be called.
virtual bool accept(const IdList &ids) const
Concrete implementation of the method to determine whether this splitting function can be used for a ...
virtual double overestimateP(const double z, const IdList &ids) const
The concrete implementation of the overestimate of the splitting function, .
static void Init()
The standard Init function used to initialize the interfaces.
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
virtual double P(const double z, const Energy2 t, const IdList &ids, const bool mass, const RhoDMatrix &rho) const
Methods to return the splitting function.
virtual double invIntegOverP(const double r, const IdList &ids, unsigned int PDFfactor=0) const
The concrete implementation of the inverse of the indefinite integral.
virtual vector< pair< int, Complex > > generatePhiForward(const double z, const Energy2 t, const IdList &ids, const RhoDMatrix &)
Method to calculate the azimuthal angle.
virtual double integOverP(const double z, const IdList &ids, unsigned int PDFfactor=0) const
The concrete implementation of the indefinite integral of the overestimated splitting function,...
This is an abstract class which defines the common interface for all splitting functions,...
-*- C++ -*-
vector< tcPDPtr > IdList
Definition of the IdList for branchings.
Definition: ShowerConfig.h:64
ThePEG::Ptr< InterfacedBase >::pointer IBPtr