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Herwig
7.3.0
Decay
General
SRFDecayer.h
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// -*- C++ -*-
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//
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// SRFDecayer.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_SRFDecayer_H
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#define HERWIG_SRFDecayer_H
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//
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// This is the declaration of the SRFDecayer class.
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//
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#include "GeneralTwoBodyDecayer.h"
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#include "ThePEG/Repository/EventGenerator.h"
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#include "ThePEG/Helicity/Vertex/Scalar/RFSVertex.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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using
Helicity::RFSVertexPtr;
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class
SRFDecayer
:
public
GeneralTwoBodyDecayer
{
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public
:
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SRFDecayer
() {}
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double
me2
(
const
int
ichan,
const
Particle
& part,
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const
tPDVector
&
outgoing
,
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const
vector<Lorentz5Momentum> & momenta,
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MEOption
meopt)
const
;
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virtual
void
constructSpinInfo
(
const
Particle
& part,
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ParticleVector
outgoing
)
const
;
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virtual
Energy
partialWidth
(
PMPair
inpart,
PMPair
outa,
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PMPair
outb)
const
;
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virtual
void
setDecayInfo
(
PDPtr
incoming
,
PDPair
outgoing
,
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vector<VertexBasePtr>,
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map<ShowerInteraction,VertexBasePtr> &,
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const
vector<map<ShowerInteraction,VertexBasePtr> > &,
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map<ShowerInteraction,VertexBasePtr>);
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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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private
:
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SRFDecayer
&
operator=
(
const
SRFDecayer
&) =
delete
;
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private
:
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vector<AbstractRFSVertexPtr>
vertex_
;
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vector<RFSVertexPtr>
perturbativeVertex_
;
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mutable
RhoDMatrix
rho_
;
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mutable
ScalarWaveFunction
swave_
;
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mutable
vector<SpinorWaveFunction>
wave_
;
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mutable
vector<SpinorBarWaveFunction>
wavebar_
;
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mutable
vector<RSSpinorWaveFunction>
RSwave_
;
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mutable
vector<RSSpinorBarWaveFunction>
RSwavebar_
;
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};
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}
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#endif
/* HERWIG_SRFDecayer_H */
Herwig::DecayIntegrator::MEOption
MEOption
Enum for the matrix element option.
Definition:
DecayIntegrator.h:72
Herwig::GeneralTwoBodyDecayer
The GeneralTwoBodyDecayer class is designed to be the base class for 2 body decays for some general m...
Definition:
GeneralTwoBodyDecayer.h:38
Herwig::GeneralTwoBodyDecayer::PMPair
pair< tcPDPtr, Energy > PMPair
A ParticleData ptr and (possible) mass pair.
Definition:
GeneralTwoBodyDecayer.h:43
Herwig::SRFDecayer
The SRFDecayer class implements the decay of a scalar to spin-3/2 and spin-1/2 fermion in a general m...
Definition:
SRFDecayer.h:32
Herwig::SRFDecayer::Init
static void Init()
The standard Init function used to initialize the interfaces.
Herwig::SRFDecayer::vertex_
vector< AbstractRFSVertexPtr > vertex_
Abstract pointer to AbstractFFSVertex.
Definition:
SRFDecayer.h:138
Herwig::SRFDecayer::constructSpinInfo
virtual void constructSpinInfo(const Particle &part, ParticleVector outgoing) const
Construct the SpinInfos for the particles produced in the decay.
Herwig::SRFDecayer::me2
double me2(const int ichan, const Particle &part, const tPDVector &outgoing, const vector< Lorentz5Momentum > &momenta, MEOption meopt) const
Return the matrix element squared for a given mode and phase-space channel.
Herwig::SRFDecayer::RSwave_
vector< RSSpinorWaveFunction > RSwave_
RS Spinor wavefunction.
Definition:
SRFDecayer.h:168
Herwig::SRFDecayer::setDecayInfo
virtual void setDecayInfo(PDPtr incoming, PDPair outgoing, vector< VertexBasePtr >, map< ShowerInteraction, VertexBasePtr > &, const vector< map< ShowerInteraction, VertexBasePtr > > &, map< ShowerInteraction, VertexBasePtr >)
Set the information on the decay.
Herwig::SRFDecayer::rho_
RhoDMatrix rho_
Spin density matrix.
Definition:
SRFDecayer.h:148
Herwig::SRFDecayer::operator=
SRFDecayer & operator=(const SRFDecayer &)=delete
The assignment operator is private and must never be called.
Herwig::SRFDecayer::wavebar_
vector< SpinorBarWaveFunction > wavebar_
Barred spinor wavefunction.
Definition:
SRFDecayer.h:163
Herwig::SRFDecayer::swave_
ScalarWaveFunction swave_
Scalar wavefunction.
Definition:
SRFDecayer.h:153
Herwig::SRFDecayer::SRFDecayer
SRFDecayer()
The default constructor.
Definition:
SRFDecayer.h:39
Herwig::SRFDecayer::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Herwig::SRFDecayer::RSwavebar_
vector< RSSpinorBarWaveFunction > RSwavebar_
Barred RS spinor wavefunction.
Definition:
SRFDecayer.h:173
Herwig::SRFDecayer::perturbativeVertex_
vector< RFSVertexPtr > perturbativeVertex_
Pointer to the perturbative vertex.
Definition:
SRFDecayer.h:143
Herwig::SRFDecayer::wave_
vector< SpinorWaveFunction > wave_
Spinor wavefunction.
Definition:
SRFDecayer.h:158
Herwig::SRFDecayer::persistentInput
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
Herwig::SRFDecayer::persistentOutput
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.
Herwig::SRFDecayer::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Herwig::SRFDecayer::partialWidth
virtual Energy partialWidth(PMPair inpart, PMPair outa, PMPair outb) const
Function to return partial Width.
ThePEG::Helicity::ScalarWaveFunction
ThePEG::Particle
ThePEG::PersistentIStream
ThePEG::PersistentOStream
ThePEG::RhoDMatrix
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::Helicity::outgoing
outgoing
ThePEG::Helicity::incoming
incoming
ThePEG
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
ThePEG::tPDVector
vector< tPDPtr > tPDVector
ThePEG::ParticleVector
vector< PPtr > ParticleVector
ThePEG::PDPtr
ThePEG::Ptr< ParticleData >::pointer PDPtr
ThePEG::PDPair
pair< PDPtr, PDPtr > PDPair
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