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Herwig
7.2.1
MatrixElement
General
MEff2vs.h
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// -*- C++ -*-
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//
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// MEff2vs.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_MEff2vs_H
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#define HERWIG_MEff2vs_H
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//
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// This is the declaration of the MEff2vs class.
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//
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#include "GeneralHardME.h"
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#include "ThePEG/Helicity/Vertex/AbstractFFSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractFFVVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVSSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractVVSVertex.h"
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#include "ThePEG/Helicity/Vertex/AbstractFFVSVertex.h"
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#include "ThePEG/Helicity/WaveFunction/SpinorWaveFunction.h"
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#include "ThePEG/Helicity/WaveFunction/SpinorBarWaveFunction.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 "Herwig/MatrixElement/ProductionMatrixElement.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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using
Helicity::SpinorWaveFunction
;
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using
Helicity::SpinorBarWaveFunction
;
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using
Helicity::VectorWaveFunction
;
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using
Helicity::ScalarWaveFunction
;
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class
MEff2vs
:
public
GeneralHardME
{
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public
:
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typedef
vector<SpinorWaveFunction>
SpinorVector
;
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typedef
vector<SpinorBarWaveFunction>
SpinorBarVector
;
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typedef
vector<VectorWaveFunction>
VBVector
;
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public
:
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MEff2vs
() : scalar_(0), vector_(0), fermion_(0) {}
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virtual
double
me2()
const
;
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virtual
void
constructVertex(
tSubProPtr
sub);
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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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MEff2vs
& operator=(
const
MEff2vs
&) =
delete
;
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private
:
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ProductionMatrixElement
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ffb2vsHeME(SpinorVector & sp, SpinorBarVector & spbar,
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VBVector & vec,
ScalarWaveFunction
& sca,
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double
& me2,
bool
first)
const
;
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private
:
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vector<pair<AbstractFFSVertexPtr, AbstractVSSVertexPtr> >
scalar_
;
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vector<pair<AbstractFFVVertexPtr, AbstractVVSVertexPtr> >
vector_
;
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vector<pair<AbstractFFVVertexPtr, AbstractFFSVertexPtr> >
fermion_
;
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vector<AbstractFFVSVertexPtr>
four_
;
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};
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}
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#endif
/* HERWIG_MEff2vs_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::MEff2vs::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Definition:
MEff2vs.h:137
Herwig::MEff2vs::fermion_
vector< pair< AbstractFFVVertexPtr, AbstractFFSVertexPtr > > fermion_
Storage for dynamically cast vertices for a diagram with intermediate fermion.
Definition:
MEff2vs.h:195
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::MEff2vs::SpinorVector
vector< SpinorWaveFunction > SpinorVector
A vector of SpinorWaveFunctions.
Definition:
MEff2vs.h:53
Herwig::MEff2vs::four_
vector< AbstractFFVSVertexPtr > four_
Four point vertices.
Definition:
MEff2vs.h:200
ThePEG
ThePEG::Helicity::SpinorWaveFunction
ThePEG::Helicity::VectorWaveFunction
Herwig::MEff2vs::vector_
vector< pair< AbstractFFVVertexPtr, AbstractVVSVertexPtr > > vector_
Storage for dynamically cast vertices for a diagram with intermediate vector.
Definition:
MEff2vs.h:189
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::MEff2vs::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Definition:
MEff2vs.h:143
ThePEG::Helicity::SpinorBarWaveFunction
ThePEG::tSubProPtr
ThePEG::Ptr< SubProcess >::transient_pointer tSubProPtr
Herwig::MEff2vs
The MEff2vs class is designed to implement the matrix element for a fermion-antifermion to vector-sca...
Definition:
MEff2vs.h:44
Herwig::MEff2vs::scalar_
vector< pair< AbstractFFSVertexPtr, AbstractVSSVertexPtr > > scalar_
Storage for dynamically cast vertices for a diagram with intermediate scalar.
Definition:
MEff2vs.h:183
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::MEff2vs::VBVector
vector< VectorWaveFunction > VBVector
A vector of VectorWaveFunctions.
Definition:
MEff2vs.h:63
Herwig::MEff2vs::SpinorBarVector
vector< SpinorBarWaveFunction > SpinorBarVector
A vector of SpinorWaveBarFunctions.
Definition:
MEff2vs.h:58
Herwig::MEff2vs::MEff2vs
MEff2vs()
The default constructor.
Definition:
MEff2vs.h:71
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