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Herwig
7.2.1
MatrixElement
General
MEvv2ss.h
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// -*- C++ -*-
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//
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// MEvv2ss.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_MEvv2ss_H
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#define HERWIG_MEvv2ss_H
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//
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// This is the declaration of the MEvv2ss class.
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//
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#include "GeneralHardME.h"
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#include "ThePEG/Helicity/WaveFunction/VectorWaveFunction.h"
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#include "ThePEG/Helicity/WaveFunction/ScalarWaveFunction.h"
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#include "ThePEG/Helicity/Vertex/AbstractVVSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVSSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVVVVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVVTVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractSSTVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVVSSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractSSSVertex.h"
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#include "Herwig/MatrixElement/ProductionMatrixElement.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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using
ThePEG::Helicity::VectorWaveFunction
;
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using
ThePEG::Helicity::ScalarWaveFunction
;
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class
MEvv2ss
:
public
GeneralHardME
{
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public
:
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typedef
vector<VectorWaveFunction>
VBVector
;
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public
:
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virtual
double
me2()
const
;
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virtual
void
constructVertex(
tSubProPtr
sub);
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private
:
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ProductionMatrixElement
vv2ssME(
const
VBVector & v1,
const
VBVector & v2,
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const
ScalarWaveFunction
& sca1,
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const
ScalarWaveFunction
& sca2,
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double
& me2,
bool
first)
const
;
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protected
:
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virtual
void
debug(
double
me2)
const
;
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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
void
doinit();
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protected
:
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virtual
IBPtr
clone
()
const
{
return
new_ptr(*
this
);}
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virtual
IBPtr
fullclone
()
const
{
return
new_ptr(*
this
);}
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private
:
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MEvv2ss
& operator=(
const
MEvv2ss
&) =
delete
;
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private
:
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vector<pair<AbstractVVSVertexPtr, AbstractSSSVertexPtr> >
scalar1_
;
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vector<pair<AbstractVSSVertexPtr, AbstractVSSVertexPtr> >
scalar2_
;
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vector<pair<AbstractVVSVertexPtr, AbstractVVSVertexPtr> >
scalar3_
;
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vector<pair<AbstractVVVVertexPtr, AbstractVSSVertexPtr> >
vector_
;
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vector<pair<AbstractVVTVertexPtr, AbstractSSTVertexPtr> >
tensor_
;
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vector<AbstractVVSSVertexPtr>
contact_
;
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};
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}
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#endif
/* HERWIG_MEvv2ss_H */
ThePEG::PersistentIStream
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::MEvv2ss::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Definition:
MEvv2ss.h:148
Herwig::MEvv2ss::VBVector
vector< VectorWaveFunction > VBVector
A vector of VectorWaveFunction objects.
Definition:
MEvv2ss.h:46
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::MEvv2ss::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Definition:
MEvv2ss.h:142
ThePEG
Herwig::MEvv2ss
This is the implementation of the matrix element for the process vector-vector to scalar-scalar...
Definition:
MEvv2ss.h:41
ThePEG::Helicity::VectorWaveFunction
ThePEG::Helicity::ScalarWaveFunction
Herwig::ProductionMatrixElement
The storage of the helicity amplitude expression for the matrix element of a hard process...
Definition:
ProductionMatrixElement.h:34
Herwig::MEvv2ss::scalar2_
vector< pair< AbstractVSSVertexPtr, AbstractVSSVertexPtr > > scalar2_
Intermediate t-channel scalar.
Definition:
MEvv2ss.h:171
Herwig::MEvv2ss::tensor_
vector< pair< AbstractVVTVertexPtr, AbstractSSTVertexPtr > > tensor_
Intermediate s-channel tensor.
Definition:
MEvv2ss.h:186
Herwig::MEvv2ss::contact_
vector< AbstractVVSSVertexPtr > contact_
The contact vertex.
Definition:
MEvv2ss.h:191
ThePEG::tSubProPtr
ThePEG::Ptr< SubProcess >::transient_pointer tSubProPtr
Herwig::MEvv2ss::scalar3_
vector< pair< AbstractVVSVertexPtr, AbstractVVSVertexPtr > > scalar3_
Intermediate t-channel scalar.
Definition:
MEvv2ss.h:176
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::MEvv2ss::vector_
vector< pair< AbstractVVVVertexPtr, AbstractVSSVertexPtr > > vector_
Intermediate s-channel vector.
Definition:
MEvv2ss.h:181
Herwig::MEvv2ss::scalar1_
vector< pair< AbstractVVSVertexPtr, AbstractSSSVertexPtr > > scalar1_
Intermediate s-channel scalar.
Definition:
MEvv2ss.h:166
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