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Hadron
MEPP2VGamma.h
1
// -*- C++ -*-
2
#ifndef HERWIG_MEPP2VGamma_H
3
#define HERWIG_MEPP2VGamma_H
4
//
5
// This is the declaration of the MEPP2VGamma class.
6
//
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8
#include "Herwig/MatrixElement/HwMEBase.h"
9
#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
10
#include "ThePEG/Helicity/Vertex/AbstractVVVVertex.h"
11
#include "Herwig/MatrixElement/ProductionMatrixElement.h"
12
13
namespace
Herwig
{
14
15
using namespace
ThePEG
;
16
23
class
MEPP2VGamma
:
public
HwMEBase
{
24
25
public
:
26
30
MEPP2VGamma
();
31
38
virtual
unsigned
int
orderInAlphaS
()
const
;
39
44
virtual
unsigned
int
orderInAlphaEW
()
const
;
45
53
virtual
double
me2
()
const
;
54
58
virtual
Energy2
scale
()
const
;
59
63
virtual
void
getDiagrams
()
const
;
64
73
virtual
Selector<DiagramIndex>
diagrams
(
const
DiagramVector
& dv)
const
;
74
82
virtual
Selector<const ColourLines *>
83
colourGeometries
(tcDiagPtr diag)
const
;
84
88
virtual
void
constructVertex
(
tSubProPtr
);
90
91
92
public
:
93
100
void
persistentOutput
(
PersistentOStream
& os)
const
;
101
107
void
persistentInput
(
PersistentIStream
& is,
int
version);
109
116
static
void
Init
();
117
118
protected
:
119
128
double
WGammaME
(vector<SpinorWaveFunction> & f1,
129
vector<SpinorBarWaveFunction> & a1,
130
vector<VectorWaveFunction> & v1,
131
vector<VectorWaveFunction> & v2,
132
bool
me)
const
;
133
142
double
ZGammaME
(vector<SpinorWaveFunction> & f1,
143
vector<SpinorBarWaveFunction> & a1,
144
vector<VectorWaveFunction> & v1,
145
vector<VectorWaveFunction> & v2,
146
bool
me)
const
;
147
148
protected
:
149
156
virtual
IBPtr
clone
()
const
;
157
162
virtual
IBPtr
fullclone
()
const
;
164
165
protected
:
166
174
virtual
void
doinit
();
176
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private
:
178
183
MEPP2VGamma
&
operator=
(
const
MEPP2VGamma
&) =
delete
;
184
185
private
:
186
194
AbstractFFVVertexPtr
FFPvertex_
;
195
199
AbstractFFVVertexPtr
FFWvertex_
;
200
204
AbstractFFVVertexPtr
FFZvertex_
;
205
209
AbstractVVVVertexPtr
WWWvertex_
;
211
215
unsigned
int
process_
;
216
220
int
maxflavour_
;
221
225
unsigned
int
massOption_
;
226
230
mutable
ProductionMatrixElement
me_
;
231
};
232
233
}
234
235
#endif
/* HERWIG_MEPP2VGamma_H */
Herwig::HwMEBase
The HwMEBase class serves a number of purposes.
Definition:
HwMEBase.h:35
Herwig::MEPP2VGamma
The MEPP2VGamma class implements the .
Definition:
MEPP2VGamma.h:23
Herwig::MEPP2VGamma::Init
static void Init()
The standard Init function used to initialize the interfaces.
Herwig::MEPP2VGamma::getDiagrams
virtual void getDiagrams() const
Add all possible diagrams with the add() function.
Herwig::MEPP2VGamma::colourGeometries
virtual Selector< const ColourLines * > colourGeometries(tcDiagPtr diag) const
Return a Selector with possible colour geometries for the selected diagram weighted by their relative...
Herwig::MEPP2VGamma::orderInAlphaS
virtual unsigned int orderInAlphaS() const
Return the order in in which this matrix element is given.
Herwig::MEPP2VGamma::constructVertex
virtual void constructVertex(tSubProPtr)
Construct the vertex of spin correlations.
Herwig::MEPP2VGamma::FFPvertex_
AbstractFFVVertexPtr FFPvertex_
Vertices.
Definition:
MEPP2VGamma.h:194
Herwig::MEPP2VGamma::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Herwig::MEPP2VGamma::me_
ProductionMatrixElement me_
The matrix element.
Definition:
MEPP2VGamma.h:230
Herwig::MEPP2VGamma::WGammaME
double WGammaME(vector< SpinorWaveFunction > &f1, vector< SpinorBarWaveFunction > &a1, vector< VectorWaveFunction > &v1, vector< VectorWaveFunction > &v2, bool me) const
Matrix element for .
Herwig::MEPP2VGamma::massOption_
unsigned int massOption_
Treatment of the the boson masses.
Definition:
MEPP2VGamma.h:225
Herwig::MEPP2VGamma::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Herwig::MEPP2VGamma::maxflavour_
int maxflavour_
Allowed flavours of the incoming quarks.
Definition:
MEPP2VGamma.h:220
Herwig::MEPP2VGamma::diagrams
virtual Selector< DiagramIndex > diagrams(const DiagramVector &dv) const
Get diagram selector.
Herwig::MEPP2VGamma::doinit
virtual void doinit()
Initialize this object after the setup phase before saving an EventGenerator to disk.
Herwig::MEPP2VGamma::WWWvertex_
AbstractVVVVertexPtr WWWvertex_
WWW Vertex.
Definition:
MEPP2VGamma.h:209
Herwig::MEPP2VGamma::persistentInput
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
Herwig::MEPP2VGamma::operator=
MEPP2VGamma & operator=(const MEPP2VGamma &)=delete
The assignment operator is private and must never be called.
Herwig::MEPP2VGamma::ZGammaME
double ZGammaME(vector< SpinorWaveFunction > &f1, vector< SpinorBarWaveFunction > &a1, vector< VectorWaveFunction > &v1, vector< VectorWaveFunction > &v2, bool me) const
Matrix element for .
Herwig::MEPP2VGamma::MEPP2VGamma
MEPP2VGamma()
The default constructor.
Herwig::MEPP2VGamma::FFWvertex_
AbstractFFVVertexPtr FFWvertex_
FFWVertex.
Definition:
MEPP2VGamma.h:199
Herwig::MEPP2VGamma::FFZvertex_
AbstractFFVVertexPtr FFZvertex_
FFZVertex.
Definition:
MEPP2VGamma.h:204
Herwig::MEPP2VGamma::persistentOutput
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
Herwig::MEPP2VGamma::process_
unsigned int process_
Processes.
Definition:
MEPP2VGamma.h:215
Herwig::MEPP2VGamma::orderInAlphaEW
virtual unsigned int orderInAlphaEW() const
Return the order in in which this matrix element is given.
Herwig::MEPP2VGamma::me2
virtual double me2() const
The matrix element for the kinematical configuration previously provided by the last call to setKinem...
Herwig::MEPP2VGamma::scale
virtual Energy2 scale() const
Return the scale associated with the last set phase space point.
Herwig::ProductionMatrixElement
The storage of the helicity amplitude expression for the matrix element of a hard process.
Definition:
ProductionMatrixElement.h:34
ThePEG::MEBase::DiagramVector
vector< DiagPtr > DiagramVector
ThePEG::PersistentIStream
ThePEG::PersistentOStream
ThePEG::Selector
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG::tSubProPtr
ThePEG::Ptr< SubProcess >::transient_pointer tSubProPtr
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