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Herwig
7.2.1
Decay
Partonic
WeakPartonicDecayer.h
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// -*- C++ -*-
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//
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// WeakPartonicDecayer.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_WeakPartonicDecayer_H
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#define HERWIG_WeakPartonicDecayer_H
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//
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// This is the declaration of the WeakPartonicDecayer class.
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//
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#include "PartonicDecayerBase.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
WeakPartonicDecayer
:
public
PartonicDecayerBase
{
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public
:
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WeakPartonicDecayer
();
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virtual
bool
accept(
tcPDPtr
parent,
const
tPDVector
& children)
const
;
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virtual
ParticleVector
decay(
const
Particle
& parent,
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const
tPDVector
& children)
const
;
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virtual
void
dataBaseOutput(ofstream & os,
bool
header)
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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public
:
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static
double
VAWt(Energy2, Energy2, Energy2, InvEnergy4);
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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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void
threeBodyMatrixElement(
tcPDPtr
dec,Lorentz5Momentum & pdec,
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ParticleVector
& partons)
const
;
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double
fourBodyMatrixElement(Lorentz5Momentum & p0,Lorentz5Momentum & p1,
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Lorentz5Momentum & p2,Lorentz5Momentum & p3,
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Lorentz5Momentum & pg,
bool
Wcol,
bool
& initial)
const
;
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private
:
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WeakPartonicDecayer
& operator=(
const
WeakPartonicDecayer
&) =
delete
;
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private
:
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int
MECode
;
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double
_radprob
;
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unsigned
int
_maxtry
;
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double
_threemax
;
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double
_fourmax
;
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};
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}
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#endif
/* HERWIG_WeakPartonicDecayer_H */
Herwig::WeakPartonicDecayer::_maxtry
unsigned int _maxtry
Maximum number of tries to generate the kinematics.
Definition:
WeakPartonicDecayer.h:183
ThePEG::PersistentIStream
ThePEG::Particle
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::WeakPartonicDecayer::_radprob
double _radprob
Probablilty of radiation giving an extra quark-antiquark pair.
Definition:
WeakPartonicDecayer.h:178
ThePEG
ThePEG::tPDVector
vector< tPDPtr > tPDVector
Herwig::WeakPartonicDecayer
The WeakPartonicDecayer class is designed to replace the HeavyDecayer class which implements the part...
Definition:
WeakPartonicDecayer.h:52
ThePEG::tcPDPtr
ThePEG::Ptr< ParticleData >::transient_const_pointer tcPDPtr
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
Herwig::PartonicDecayerBase
Here is the documentation of the PartonicDecayerBase class.
Definition:
PartonicDecayerBase.h:38
ThePEG::ParticleVector
vector< PPtr > ParticleVector
Herwig::WeakPartonicDecayer::MECode
int MECode
The code for the matrix element being used.
Definition:
WeakPartonicDecayer.h:173
Herwig::WeakPartonicDecayer::_fourmax
double _fourmax
Maximum weight for four-body decays.
Definition:
WeakPartonicDecayer.h:193
Herwig::WeakPartonicDecayer::_threemax
double _threemax
Maximum weight for three-body decays.
Definition:
WeakPartonicDecayer.h:188
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