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Herwig
7.2.1
MatrixElement
Matchbox
Builtin
Amplitudes
MatchboxAmplitudelnuqqbar.h
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// -*- C++ -*-
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//
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// MatchboxAmplitudelnuqqbar.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_MatchboxAmplitudelnuqqbar_H
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#define Herwig_MatchboxAmplitudelnuqqbar_H
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//
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// This is the declaration of the MatchboxAmplitudelnuqqbar 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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#include "ThePEG/StandardModel/StandardModelBase.h"
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#include "ThePEG/Interface/ClassDocumentation.h"
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#include "ThePEG/EventRecord/Particle.h"
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#include "ThePEG/Repository/UseRandom.h"
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#include "ThePEG/Repository/EventGenerator.h"
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#include "ThePEG/Utilities/DescribeClass.h"
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#include "ThePEG/Persistency/PersistentOStream.h"
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#include "ThePEG/Persistency/PersistentIStream.h"
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#include "ThePEG/PDT/EnumParticles.h"
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#include "Herwig/MatrixElement/Matchbox/Utility/SU2Helper.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
MatchboxAmplitudelnuqqbar
:
public
MatchboxAmplitude
,
public
MatchboxCurrents
{
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public
:
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MatchboxAmplitudelnuqqbar
();
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virtual
~
MatchboxAmplitudelnuqqbar
();
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virtual
unsigned
int
orderInGs
()
const
{
return
0; }
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virtual
unsigned
int
orderInGem
()
const
{
return
2; }
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virtual
bool
haveOneLoop
()
const
{
return
true
; }
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virtual
bool
canHandle(
const
PDVector
&)
const
;
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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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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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virtual
void
doinit();
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virtual
void
doinitrun();
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private
:
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bool
theDiagonal
;
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vector< vector<Complex> >
theCKM
;
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MatchboxAmplitudelnuqqbar
& operator=(
const
MatchboxAmplitudelnuqqbar
&) =
delete
;
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};
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}
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#endif
/* Herwig_MatchboxAmplitudelnuqqbar_H */
ThePEG::PersistentIStream
ThePEG::Complex
std::complex< double > Complex
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::SpinorHelicity::AmplitudeCache< pair< size_t, size_t > >::reset
void reset() const
Reset flags.
ThePEG
Herwig::MatchboxAmplitude
MatchboxAmplitude is the base class for amplitude implementations inside Matchbox.
Definition:
MatchboxAmplitude.h:108
Herwig::MatchboxAmplitudelnuqqbar::orderInGem
virtual unsigned int orderInGem() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudelnuqqbar.h:62
Herwig::MatchboxAmplitudelnuqqbar::haveOneLoop
virtual bool haveOneLoop() const
Return true, if this amplitude is capable of calculating one-loop (QCD) corrections.
Definition:
MatchboxAmplitudelnuqqbar.h:68
Herwig::MatchboxAmplitudelnuqqbar::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitudelnuqqbar.h:109
Herwig::MatchboxAmplitudelnuqqbar::orderInGs
virtual unsigned int orderInGs() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudelnuqqbar.h:56
Herwig::MatchboxAmplitude::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitude.h:566
Herwig::MatchboxAmplitudelnuqqbar::theCKM
vector< vector< Complex > > theCKM
The ckm.
Definition:
MatchboxAmplitudelnuqqbar.h:173
Herwig::MatchboxAmplitudelnuqqbar::isBDK
virtual bool isBDK() const
Return true, if one loop corrections are given in the conventions of BDK.
Definition:
MatchboxAmplitudelnuqqbar.h:97
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::PDVector
vector< PDPtr > PDVector
Herwig::MatchboxAmplitudelnuqqbar::theDiagonal
bool theDiagonal
True, if a diagonal CKM matrix should be assumed.
Definition:
MatchboxAmplitudelnuqqbar.h:168
Herwig::MatchboxAmplitudelnuqqbar::mu2
virtual Energy2 mu2() const
Return the value of the dimensional regularization parameter.
Definition:
MatchboxAmplitudelnuqqbar.h:104
Herwig::MatchboxCurrents
MatchboxCurrents.
Definition:
MatchboxCurrents.h:31
Herwig::MatchboxAmplitudelnuqqbar
MatchboxAmplitudelnuqqbar.
Definition:
MatchboxAmplitudelnuqqbar.h:38
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