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Herwig
7.3.0
MatrixElement
Matchbox
Builtin
Amplitudes
MatchboxAmplitudehgg.h
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// -*- C++ -*-
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//
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// MatchboxAmplitudehgg.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_MatchboxAmplitudehgg_H
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#define Herwig_MatchboxAmplitudehgg_H
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//
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// This is the declaration of the MatchboxAmplitudehgg class.
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//
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#include "Herwig/MatrixElement/Matchbox/Base/MatchboxAmplitude.h"
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#include "Herwig/MatrixElement/Matchbox/Builtin/Amplitudes/MatchboxCurrents.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
MatchboxAmplitudehgg
:
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public
MatchboxAmplitude
,
public
MatchboxCurrents
{
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public
:
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MatchboxAmplitudehgg
();
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public
:
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virtual
bool
canHandle
(
const
PDVector
&)
const
;
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virtual
unsigned
int
orderInGs
()
const
{
return
2; }
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virtual
unsigned
int
orderInGem
()
const
{
return
1; }
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virtual
bool
haveOneLoop
()
const
{
return
true
; }
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virtual
void
prepareAmplitudes
(Ptr<MatchboxMEBase>::tcptr);
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virtual
Complex
evaluate
(
size_t
,
const
vector<int>&,
Complex
&);
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virtual
Complex
evaluateOneLoop
(
size_t
,
const
vector<int>&);
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virtual
bool
isBDK
()
const
{
return
true
; }
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virtual
Energy2
mu2
()
const
{
return
lastSHat
(); }
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virtual
void
flushCaches
() {
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MatchboxCurrents::reset
();
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MatchboxAmplitude::flushCaches
();
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}
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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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/*
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* The interfaced THooftMass
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*/
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Energy interfaceTHooft;
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MatchboxAmplitudehgg
&
operator=
(
const
MatchboxAmplitudehgg
&) =
delete
;
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};
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}
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#endif
/* Herwig_MatchboxAmplitudehgg_H */
Herwig::MatchboxAmplitude
MatchboxAmplitude is the base class for amplitude implementations inside Matchbox.
Definition:
MatchboxAmplitude.h:111
Herwig::MatchboxAmplitude::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitude.h:558
Herwig::MatchboxAmplitudehgg
MatchboxAmplitudehgg.
Definition:
MatchboxAmplitudehgg.h:29
Herwig::MatchboxAmplitudehgg::MatchboxAmplitudehgg
MatchboxAmplitudehgg()
The default constructor.
Herwig::MatchboxAmplitudehgg::isBDK
virtual bool isBDK() const
Return true, if one loop corrections are given in the conventions of BDK.
Definition:
MatchboxAmplitudehgg.h:85
Herwig::MatchboxAmplitudehgg::canHandle
virtual bool canHandle(const PDVector &) const
Return true, if this amplitude can handle the given process.
Herwig::MatchboxAmplitudehgg::evaluate
virtual Complex evaluate(size_t, const vector< int > &, Complex &)
Evaluate the amplitude for the given colour tensor id and helicity assignment.
Herwig::MatchboxAmplitudehgg::operator=
MatchboxAmplitudehgg & operator=(const MatchboxAmplitudehgg &)=delete
The assignment operator is private and must never be called.
Herwig::MatchboxAmplitudehgg::orderInGs
virtual unsigned int orderInGs() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudehgg.h:49
Herwig::MatchboxAmplitudehgg::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Herwig::MatchboxAmplitudehgg::persistentInput
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
Herwig::MatchboxAmplitudehgg::Init
static void Init()
The standard Init function used to initialize the interfaces.
Herwig::MatchboxAmplitudehgg::persistentOutput
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
Herwig::MatchboxAmplitudehgg::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitudehgg.h:97
Herwig::MatchboxAmplitudehgg::orderInGem
virtual unsigned int orderInGem() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudehgg.h:55
Herwig::MatchboxAmplitudehgg::doinit
virtual void doinit()
Initialize this object after the setup phase before saving an EventGenerator to disk.
Herwig::MatchboxAmplitudehgg::evaluateOneLoop
virtual Complex evaluateOneLoop(size_t, const vector< int > &)
Evaluate the amplitude for the given colour tensor id and helicity assignment.
Herwig::MatchboxAmplitudehgg::mu2
virtual Energy2 mu2() const
Return the value of the dimensional regularization parameter.
Definition:
MatchboxAmplitudehgg.h:92
Herwig::MatchboxAmplitudehgg::prepareAmplitudes
virtual void prepareAmplitudes(Ptr< MatchboxMEBase >::tcptr)
Calculate the tree level amplitudes for the phasespace point stored in lastXComb.
Herwig::MatchboxAmplitudehgg::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Herwig::MatchboxAmplitudehgg::haveOneLoop
virtual bool haveOneLoop() const
Return true, if this amplitude is capable of calculating one-loop (QCD) corrections.
Definition:
MatchboxAmplitudehgg.h:61
Herwig::MatchboxAmplitudehgg::doinitrun
virtual void doinitrun()
Initialize this object.
Herwig::SpinorHelicity::AmplitudeCache< pair< size_t, size_t > >::reset
void reset() const
Reset flags.
ThePEG::LastXCombInfo< StandardXComb >::lastSHat
Energy2 lastSHat() const
ThePEG::PersistentIStream
ThePEG::PersistentOStream
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG
ThePEG::PDVector
vector< PDPtr > PDVector
ThePEG::Complex
std::complex< double > Complex
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::MatchboxCurrents
MatchboxCurrents.
Definition:
MatchboxCurrents.h:32
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