herwig
is hosted by
Hepforge
,
IPPP Durham
Herwig
7.3.0
MatrixElement
General
MEff2tv.h
1
// -*- C++ -*-
2
#ifndef HERWIG_MEff2tv_H
3
#define HERWIG_MEff2tv_H
4
//
5
// This is the declaration of the MEff2tv class.
6
//
7
8
#include "GeneralHardME.h"
9
#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
10
#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.h"
11
#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
12
#include "ThePEG/Helicity/WaveFunction/TensorWaveFunction.h"
13
#include "ThePEG/Helicity/Vertex/AbstractFFTVertex.h"
14
#include "ThePEG/Helicity/Vertex/AbstractVVTVertex.h"
15
#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
16
#include "ThePEG/Helicity/Vertex/AbstractFFVTVertex.h"
17
18
namespace
Herwig
{
19
20
using namespace
ThePEG
;
21
using
Helicity::SpinorWaveFunction
;
22
using
Helicity::SpinorBarWaveFunction
;
23
using
Helicity::VectorWaveFunction
;
24
using
Helicity::TensorWaveFunction
;
25
31
class
MEff2tv
:
public
GeneralHardME
{
32
33
public
:
34
40
typedef
vector<SpinorWaveFunction>
SpinorVector
;
41
45
typedef
vector<SpinorBarWaveFunction>
SpinorBarVector
;
46
50
typedef
vector<VectorWaveFunction>
VBVector
;
51
55
typedef
vector<TensorWaveFunction>
TBVector
;
57
58
public
:
59
63
MEff2tv
() :
fermion_
(0),
vector_
(0),
fourPoint_
(0) {}
64
72
virtual
double
me2
()
const
;
73
78
virtual
void
constructVertex
(
tSubProPtr
sub);
79
80
public
:
81
88
void
persistentOutput
(
PersistentOStream
& os)
const
;
89
95
void
persistentInput
(
PersistentIStream
& is,
int
version);
97
104
static
void
Init
();
105
106
protected
:
107
114
virtual
IBPtr
clone
()
const
;
115
120
virtual
IBPtr
fullclone
()
const
;
122
123
protected
:
124
132
void
doinit
();
134
135
private
:
136
141
MEff2tv
&
operator=
(
const
MEff2tv
&) =
delete
;
142
143
private
:
144
159
ProductionMatrixElement
160
ffb2tvHeME
(
SpinorVector
& sp,
SpinorBarVector
& spbar,
161
TBVector
& ten,
VBVector
& vec,
162
double
&
me2
,
bool
first)
const
;
164
170
virtual
void
debug
(
double
me2
)
const
;
171
172
private
:
173
177
vector<pair<AbstractFFTVertexPtr, AbstractFFVVertexPtr> >
fermion_
;
178
182
vector<pair<AbstractFFVVertexPtr, AbstractVVTVertexPtr> >
vector_
;
183
187
vector<AbstractFFVTVertexPtr>
fourPoint_
;
188
189
};
190
191
}
192
193
#endif
/* HERWIG_MEff2tv_H */
Herwig::GeneralHardME
This defines the GeneralHardME class that is designed to serve as a base class for matrix elements of...
Definition:
GeneralHardME.h:40
Herwig::MEff2tv
The documentation of the MEff2tv class implements the general matrix element for vector vectro to ten...
Definition:
MEff2tv.h:31
Herwig::MEff2tv::debug
virtual void debug(double me2) const
A debugging function to test the value of me2 against an analytic function.
Herwig::MEff2tv::fourPoint_
vector< AbstractFFVTVertexPtr > fourPoint_
The four point vertex.
Definition:
MEff2tv.h:187
Herwig::MEff2tv::ffb2tvHeME
ProductionMatrixElement ffb2tvHeME(SpinorVector &sp, SpinorBarVector &spbar, TBVector &ten, VBVector &vec, double &me2, bool first) const
Compute the matrix element for .
Herwig::MEff2tv::persistentInput
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
Herwig::MEff2tv::doinit
void doinit()
Initialize this object after the setup phase before saving an EventGenerator to disk.
Herwig::MEff2tv::persistentOutput
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
Herwig::MEff2tv::fermion_
vector< pair< AbstractFFTVertexPtr, AbstractFFVVertexPtr > > fermion_
Store a pair of FFTVertex and FFVVertex pointers
Definition:
MEff2tv.h:177
Herwig::MEff2tv::constructVertex
virtual void constructVertex(tSubProPtr sub)
Construct the vertex information for the spin correlations.
Herwig::MEff2tv::MEff2tv
MEff2tv()
The default constructor.
Definition:
MEff2tv.h:63
Herwig::MEff2tv::Init
static void Init()
The standard Init function used to initialize the interfaces.
Herwig::MEff2tv::TBVector
vector< TensorWaveFunction > TBVector
A vector of VectorWaveFunctions.
Definition:
MEff2tv.h:55
Herwig::MEff2tv::SpinorVector
vector< SpinorWaveFunction > SpinorVector
A vector of SpinorWaveFunctions.
Definition:
MEff2tv.h:40
Herwig::MEff2tv::operator=
MEff2tv & operator=(const MEff2tv &)=delete
The assignment operator is private and must never be called.
Herwig::MEff2tv::VBVector
vector< VectorWaveFunction > VBVector
A vector of VectorWaveFunctions.
Definition:
MEff2tv.h:50
Herwig::MEff2tv::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Herwig::MEff2tv::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Herwig::MEff2tv::vector_
vector< pair< AbstractFFVVertexPtr, AbstractVVTVertexPtr > > vector_
Store a pair of FFTVertex and VVTVertex pointers.
Definition:
MEff2tv.h:182
Herwig::MEff2tv::SpinorBarVector
vector< SpinorBarWaveFunction > SpinorBarVector
A vector of SpinorWaveBarFunctions.
Definition:
MEff2tv.h:45
Herwig::MEff2tv::me2
virtual double me2() const
The matrix element for the kinematical configuration previously provided by the last call to setKinem...
Herwig::ProductionMatrixElement
The storage of the helicity amplitude expression for the matrix element of a hard process.
Definition:
ProductionMatrixElement.h:34
ThePEG::Helicity::SpinorBarWaveFunction
ThePEG::Helicity::SpinorWaveFunction
ThePEG::Helicity::TensorWaveFunction
ThePEG::Helicity::VectorWaveFunction
ThePEG::PersistentIStream
ThePEG::PersistentOStream
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG::tSubProPtr
ThePEG::Ptr< SubProcess >::transient_pointer tSubProPtr
Generated on Thu Jun 20 2024 17:50:52 for Herwig by
1.9.6