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Herwig
7.2.1
MatrixElement
Matchbox
Matching
QTildeMatching.h
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// -*- C++ -*-
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//
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// QTildeMatching.h is a part of Herwig - A multi-purpose Monte Carlo event generator
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// Copyright (C) 2002-2019 The Herwig Collaboration
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//
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// Herwig is licenced under version 3 of the GPL, see COPYING for details.
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// Please respect the MCnet academic guidelines, see GUIDELINES for details.
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//
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#ifndef Herwig_QTildeMatching_H
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#define Herwig_QTildeMatching_H
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//
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// This is the declaration of the QTildeMatching class.
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//
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#include "Herwig/MatrixElement/Matchbox/Matching/ShowerApproximation.h"
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#include "Herwig/Shower/ShowerHandler.h"
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#include "Herwig/Shower/QTilde/Base/PartnerFinder.h"
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#include "Herwig/Shower/QTilde/SplittingFunctions/SudakovFormFactor.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
QTildeMatching
:
public
Herwig::ShowerApproximation
{
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public
:
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QTildeMatching
();
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virtual
~
QTildeMatching
();
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public
:
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virtual
CrossSection dSigHatDR()
const
;
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virtual
double
me2()
const
;
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virtual
void
checkCutoff();
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virtual
void
getShowerVariables();
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protected
:
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virtual
bool
isInShowerPhasespace()
const
;
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virtual
bool
isAboveCutoff()
const
;
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void
calculateShowerVariables()
const
;
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double
splitFn(
const
pair<Energy2,double>&)
const
;
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public
:
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void
persistentOutput(
PersistentOStream
& os)
const
;
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void
persistentInput(
PersistentIStream
& is,
int
version);
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static
void
Init();
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protected
:
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virtual
IBPtr
clone()
const
;
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virtual
IBPtr
fullclone()
const
;
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// If needed, insert declarations of virtual function defined in the
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// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
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protected
:
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virtual
void
doinit();
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virtual
void
doinitrun();
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private
:
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QTildeMatching
& operator=(
const
QTildeMatching
&) =
delete
;
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Ptr<ShowerHandler>::ptr
theShowerHandler
;
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Ptr<PartnerFinder>::ptr
theQTildeFinder
;
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Ptr<SudakovFormFactor>::ptr
theQTildeSudakov
;
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bool
theCorrectForXZMismatch
;
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};
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}
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#endif
/* Herwig_QTildeMatching_H */
ThePEG::PersistentIStream
Herwig::QTildeMatching::theQTildeSudakov
Ptr< SudakovFormFactor >::ptr theQTildeSudakov
The qtilde Sudakov to access the cutoff.
Definition:
QTildeMatching.h:189
Herwig::ShowerApproximation
ShowerApproximation describes the shower emission to be used in NLO matching.
Definition:
ShowerApproximation.h:35
ThePEG::PersistentOStream
Herwig::QTildeMatching::theCorrectForXZMismatch
bool theCorrectForXZMismatch
True, if PDF weight should be corrected for z/x mismatch at the hard phase space boundary.
Definition:
QTildeMatching.h:195
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG
Herwig::QTildeMatching::theShowerHandler
Ptr< ShowerHandler >::ptr theShowerHandler
The shower handler to be used.
Definition:
QTildeMatching.h:179
Herwig::QTildeMatching
QTildeMatching implements NLO matching with the default shower.
Definition:
QTildeMatching.h:31
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::QTildeMatching::theQTildeFinder
Ptr< PartnerFinder >::ptr theQTildeFinder
The qtilde partner finder for calculating the hard scales.
Definition:
QTildeMatching.h:184
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