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Herwig
7.2.1
Models
General
ResonantProcessConstructor.h
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// -*- C++ -*-
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//
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// ResonantProcessConstructor.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_ResonantProcessConstructor_H
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#define HERWIG_ResonantProcessConstructor_H
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//
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// This is the declaration of the ResonantProcessConstructor class.
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//
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#include "HardProcessConstructor.h"
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#include "ThePEG/Utilities/Exception.h"
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#include "ResonantProcessConstructor.fh"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
ResonantProcessConstructor
:
public
HardProcessConstructor
{
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public
:
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typedef
set<tPDPtr>
tPDSet
;
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typedef
vector<vector<double> >
CFMatrix
;
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enum
direction
{
incoming
,
outgoing
};
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public
:
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ResonantProcessConstructor
() :
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processOption_(0), scaleChoice_(1), scaleFactor_(1.),
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incoming_(0), intermediates_(0),
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outgoing_(0), diagrams_(0)
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{}
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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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void
constructDiagrams() ;
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protected
:
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virtual
IBPtr
clone()
const
;
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virtual
IBPtr
fullclone()
const
;
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protected
:
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virtual
void
doinit();
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private
:
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void
constructVertex2(
IDPair
in, VertexBasePtr vertex,
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PDPtr
partc);
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void
makeResonantDiagram(
IDPair
in,
PDPtr
offshell,
long
outa,
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long
outb,
VBPair
vertices);
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tPDSet search(VertexBasePtr vertex,
long
part1,
direction
d1,
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long
part2,
direction
d2,
direction
d3 = outgoing);
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IDPair
find
(
long
part,
const
PDVector
& out)
const
;
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void
createMatrixElement(
const
HPDiagram
& diag)
const
;
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string
MEClassname(
const
tcPDVector
& extpart,
tcPDPtr
inter,
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string
& objname)
const
;
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private
:
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ResonantProcessConstructor
& operator=(
const
ResonantProcessConstructor
&) =
delete
;
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private
:
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unsigned
int
processOption_
;
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unsigned
int
scaleChoice_
;
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double
scaleFactor_
;
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vector<PDPtr>
incoming_
;
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vector<PDPtr>
intermediates_
;
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vector<PDPtr>
outgoing_
;
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vector<HPDiagram>
diagrams_
;
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};
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class
RPConstructorError
:
public
Exception
{};
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}
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#endif
/* HERWIG_ResonantProcessConstructor_H */
ThePEG::PersistentIStream
Herwig::ResonantProcessConstructor::scaleFactor_
double scaleFactor_
Prefactor for the scale calculation.
Definition:
ResonantProcessConstructor.h:181
Herwig::ResonantProcessConstructor::ResonantProcessConstructor
ResonantProcessConstructor()
The default constructor.
Definition:
ResonantProcessConstructor.h:48
Herwig::ResonantProcessConstructor::outgoing_
vector< PDPtr > outgoing_
Storage for the required intermediate particles.
Definition:
ResonantProcessConstructor.h:196
ThePEG::PersistentOStream
ThePEG::tcPDVector
vector< tcPDPtr > tcPDVector
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::ResonantProcessConstructor::scaleChoice_
unsigned int scaleChoice_
Scale choice.
Definition:
ResonantProcessConstructor.h:176
Herwig::RPConstructorError
Exception class indicating setup problem.
Definition:
ResonantProcessConstructor.h:206
Herwig::ResonantProcessConstructor::processOption_
unsigned int processOption_
Which types of processes to generate.
Definition:
ResonantProcessConstructor.h:171
ThePEG::Helicity::incoming
incoming
ThePEG
Herwig::IDPair
pair< long, long > IDPair
Pair of particle ids.
Definition:
HPDiagram.h:24
Herwig::ResonantProcessConstructor::direction
direction
Enumeration for the direction.
Definition:
ResonantProcessConstructor.h:41
find
Iterator find(IteratorRange< Iterator > r, const T &t)
ThePEG::Helicity::outgoing
outgoing
Herwig::VBPair
pair< VBPtr, VBPtr > VBPair
Pair of VertexBasePtrs.
Definition:
HPDiagram.h:33
Herwig::ResonantProcessConstructor::incoming_
vector< PDPtr > incoming_
Storage for the required intermediate particles.
Definition:
ResonantProcessConstructor.h:186
ThePEG::tcPDPtr
ThePEG::Ptr< ParticleData >::transient_const_pointer tcPDPtr
Herwig::ResonantProcessConstructor::intermediates_
vector< PDPtr > intermediates_
Storage for the required intermediate particles.
Definition:
ResonantProcessConstructor.h:191
ThePEG::PDPtr
ThePEG::Ptr< ParticleData >::pointer PDPtr
Herwig::ResonantProcessConstructor
This class is designed to construct the diagrams for resonant processes using a provdided set of part...
Definition:
ResonantProcessConstructor.h:30
Herwig::ResonantProcessConstructor::tPDSet
set< tPDPtr > tPDSet
Set of ParticleData pointers.
Definition:
ResonantProcessConstructor.h:35
ThePEG::Exception
Herwig::ResonantProcessConstructor::CFMatrix
vector< vector< double > > CFMatrix
Nested vector of doubles.
Definition:
ResonantProcessConstructor.h:38
Herwig::ResonantProcessConstructor::diagrams_
vector< HPDiagram > diagrams_
Storage for the diagrams.
Definition:
ResonantProcessConstructor.h:201
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::PDVector
vector< PDPtr > PDVector
Herwig::HPDiagram
The HPDiagram struct contains information about a 2->2 hard-process that has been automatically gener...
Definition:
HPDiagram.h:42
Herwig::HardProcessConstructor
Here is the documentation of the HardProcessConstructor class.
Definition:
HardProcessConstructor.h:27
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