herwig
is hosted by
Hepforge
,
IPPP Durham
Herwig
7.2.1
MatrixElement
Matchbox
Builtin
Amplitudes
MatchboxAmplitudehggg.h
1
// -*- C++ -*-
2
//
3
// MatchboxAmplitudehggg.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_MatchboxAmplitudehggg_H
10
#define Herwig_MatchboxAmplitudehggg_H
11
//
12
// This is the declaration of the MatchboxAmplitudehggg class.
13
//
14
15
#include "Herwig/MatrixElement/Matchbox/Base/MatchboxAmplitude.h"
16
#include "Herwig/MatrixElement/Matchbox/Builtin/Amplitudes/MatchboxCurrents.h"
17
18
namespace
Herwig
{
19
20
using namespace
ThePEG
;
21
28
class
MatchboxAmplitudehggg
:
29
public
MatchboxAmplitude
,
public
MatchboxCurrents
{
30
31
public
:
32
38
MatchboxAmplitudehggg
();
39
43
virtual
~
MatchboxAmplitudehggg
();
45
46
public
:
47
51
virtual
bool
canHandle(
const
PDVector
&)
const
;
52
57
virtual
unsigned
int
orderInGs
()
const
{
return
3; }
58
63
virtual
unsigned
int
orderInGem
()
const
{
return
1; }
64
69
virtual
bool
haveOneLoop
()
const
{
return
false
; }
70
75
virtual
void
prepareAmplitudes(Ptr<MatchboxMEBase>::tcptr);
76
81
virtual
Complex
evaluate(
size_t
,
const
vector<int>&,
Complex
&);
82
87
//virtual Complex evaluateOneLoop(size_t, const vector<int>&);
88
93
virtual
bool
isBDK
()
const
{
return
true
; }
94
100
virtual
Energy2
mu2
()
const
{
return
lastSHat(); }
101
105
virtual
void
flushCaches
() {
106
MatchboxCurrents::reset
();
107
MatchboxAmplitude::flushCaches
();
108
}
109
110
public
:
111
/*
112
* The interfaced THooftMass
113
*/
114
Energy interfaceTHooft;
121
void
persistentOutput(
PersistentOStream
& os)
const
;
122
128
void
persistentInput(
PersistentIStream
& is,
int
version);
130
137
static
void
Init();
138
139
protected
:
140
147
virtual
IBPtr
clone()
const
;
148
153
virtual
IBPtr
fullclone()
const
;
155
156
157
// If needed, insert declarations of virtual function defined in the
158
// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
159
160
protected
:
161
169
virtual
void
doinit();
170
175
virtual
void
doinitrun();
177
178
private
:
179
184
MatchboxAmplitudehggg
& operator=(
const
MatchboxAmplitudehggg
&) =
delete
;
185
186
};
187
188
}
189
190
#endif
/* Herwig_MatchboxAmplitudehggg_H */
191
ThePEG::PersistentIStream
ThePEG::Complex
std::complex< double > Complex
Herwig::MatchboxAmplitudehggg::mu2
virtual Energy2 mu2() const
Return the value of the dimensional regularization parameter.
Definition:
MatchboxAmplitudehggg.h:100
ThePEG::PersistentOStream
Herwig::MatchboxAmplitudehggg::orderInGs
virtual unsigned int orderInGs() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudehggg.h:57
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::MatchboxAmplitudehggg::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitudehggg.h:105
Herwig::MatchboxAmplitude::flushCaches
virtual void flushCaches()
Flush all cashes.
Definition:
MatchboxAmplitude.h:566
Herwig::MatchboxAmplitudehggg::isBDK
virtual bool isBDK() const
Evaluate the amplitude for the given colour tensor id and helicity assignment.
Definition:
MatchboxAmplitudehggg.h:93
Herwig::MatchboxAmplitudehggg
MatchboxAmplitudehggg.
Definition:
MatchboxAmplitudehggg.h:28
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::PDVector
vector< PDPtr > PDVector
Herwig::MatchboxAmplitudehggg::orderInGem
virtual unsigned int orderInGem() const
Return the (tree-level) order in in which this matrix element is given.
Definition:
MatchboxAmplitudehggg.h:63
Herwig::MatchboxAmplitudehggg::haveOneLoop
virtual bool haveOneLoop() const
Return true, if this amplitude is capable of calculating one-loop (QCD) corrections.
Definition:
MatchboxAmplitudehggg.h:69
Herwig::MatchboxCurrents
MatchboxCurrents.
Definition:
MatchboxCurrents.h:31
Generated on Sat Apr 11 2020 14:50:30 for Herwig by
1.8.13