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Herwig 7.3.0
OneOneOneSplitFn.h
1// -*- C++ -*-
2//
3// OneOneOneSplitFn.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_OneOneOneSplitFn_H
10#define HERWIG_OneOneOneSplitFn_H
11//
12// This is the declaration of the OneOneOneSplitFn class.
13//
14
15#include "Herwig/Shower/QTilde/SplittingFunctions/SplittingFunction.h"
16
17namespace Herwig {
18
19using namespace ThePEG;
20
41
42public:
43
49 virtual bool accept(const IdList & ids) const;
50
63 virtual double P(const double z, const Energy2 t, const IdList & ids,
64 const bool mass, const RhoDMatrix & rho) const;
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
119 virtual vector<pair<int,Complex> >
120 generatePhiForward(const double z, const Energy2 t, const IdList & ids,
121 const RhoDMatrix &);
122
131 virtual vector<pair<int,Complex> >
132 generatePhiBackward(const double z, const Energy2 t, const IdList & ids,
133 const RhoDMatrix &);
134
142 virtual DecayMEPtr matrixElement(const double z, const Energy2 t,
143 const IdList & ids, const double phi, bool timeLike);
144
145public:
146
153 static void Init();
154
155protected:
156
163 virtual IBPtr clone() const {return new_ptr(*this);}
164
169 virtual IBPtr fullclone() const {return new_ptr(*this);}
171
172private:
173
179
180};
181
182}
183
184#endif /* HERWIG_OneOneOneSplitFn_H */
This class provides the concrete implementation of the exact leading-order splitting function for .
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 vector< pair< int, Complex > > generatePhiBackward(const double z, const Energy2 t, const IdList &ids, const RhoDMatrix &)
Method to calculate the azimuthal angle for backward evolution.
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
virtual double overestimateP(const double z, const IdList &ids) const
The concrete implementation of the overestimate of the splitting function, .
virtual vector< pair< int, Complex > > generatePhiForward(const double z, const Energy2 t, const IdList &ids, const RhoDMatrix &)
Method to calculate the azimuthal angle for forward evolution.
static void Init()
The standard Init function used to initialize the interfaces.
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 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 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 bool accept(const IdList &ids) const
Concrete implementation of the method to determine whether this splitting function can be used for a ...
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,...
virtual IBPtr clone() const
Make a simple clone of this object.
OneOneOneSplitFn & operator=(const OneOneOneSplitFn &)=delete
The assignment operator is private and must never be called.
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