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Herwig
7.2.1
MatrixElement
MEMinBias.h
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// -*- C++ -*-
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#ifndef HERWIG_MEMinBias_H
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#define HERWIG_MEMinBias_H
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//
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// This is the declaration of the MEMinBias class.
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//
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#include "Herwig/MatrixElement/HwMEBase.h"
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#include "Herwig/Shower/UEBase.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
MEMinBias
:
public
HwMEBase
{
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public
:
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MEMinBias
() : csNorm_(1.), Scale_(2.*GeV) {}
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public
:
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virtual
unsigned
int
orderInAlphaS()
const
;
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virtual
unsigned
int
orderInAlphaEW()
const
;
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virtual
double
me2()
const
;
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double
correctionweight()
const
;
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virtual
Energy2 scale()
const
;
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virtual
void
setKinematics();
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virtual
int
nDim()
const
;
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virtual
bool
generateKinematics(
const
double
* r);
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virtual
CrossSection dSigHatDR()
const
;
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virtual
void
getDiagrams()
const
;
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virtual
Selector<DiagramIndex>
diagrams(
const
DiagramVector
& dv)
const
;
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virtual
Selector<const ColourLines *>
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colourGeometries(tcDiagPtr diag)
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
IBPtr
clone()
const
;
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virtual
IBPtr
fullclone()
const
;
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// If needed, insert declarations of virtual function defined in the
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// InterfacedBase class here (using ThePEG-interfaced-decl in Emacs).
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private
:
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double
csNorm_
;
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Energy
Scale_
;
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bool
onlyValQuarks_=
true
;
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UEBasePtr
MPIHandler_
;
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MEMinBias
& operator=(
const
MEMinBias
&) =
delete
;
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};
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}
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#endif
/* HERWIG_MEMinBias_H */
ThePEG::PersistentIStream
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG
Herwig::MEMinBias
The MEMinBias class provides a simple colour singlet exchange matrix element to be used in the soft c...
Definition:
MEMinBias.h:23
Herwig::MEMinBias::MEMinBias
MEMinBias()
The default constructor.
Definition:
MEMinBias.h:30
Herwig::MEMinBias::MPIHandler_
UEBasePtr MPIHandler_
a MPIHandler to administer the creation of several (semihard) partonic interactions.
Definition:
MEMinBias.h:205
Herwig::MEMinBias::csNorm_
double csNorm_
Normalization of the min-bias cross section.
Definition:
MEMinBias.h:188
ThePEG::Selector
ThePEG::MEBase::DiagramVector
vector< DiagPtr > DiagramVector
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::HwMEBase
The HwMEBase class serves a number of purposes.
Definition:
HwMEBase.h:35
Herwig::MEMinBias::Scale_
Energy Scale_
Scale for the Min Bias matrix element.
Definition:
MEMinBias.h:193
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