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Herwig
7.2.1
Decay
VectorMeson
VectorMesonPScalarFermionsDecayer.h
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// -*- C++ -*-
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//
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// VectorMesonPScalarFermionsDecayer.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_VectorMesonPScalarFermionsDecayer_H
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#define HERWIG_VectorMesonPScalarFermionsDecayer_H
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//
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// This is the declaration of the VectorMesonPScalarFermionsDecayer class.
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//
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#include "Herwig/Decay/DecayIntegrator.h"
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#include "Herwig/Decay/DecayPhaseSpaceMode.h"
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#include "ThePEG/Helicity/LorentzPolarizationVector.h"
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#include "ThePEG/Helicity/LorentzSpinorBar.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
VectorMesonPScalarFermionsDecayer
:
public
DecayIntegrator
{
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public
:
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VectorMesonPScalarFermionsDecayer
();
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virtual
int
modeNumber(
bool
& cc,
tcPDPtr
parent,
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const
tPDVector
& children)
const
;
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double
me2(
const
int
ichan,
const
Particle
& part,
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const
ParticleVector
& decay,
MEOption
meopt)
const
;
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virtual
WidthCalculatorBasePtr threeBodyMEIntegrator(
const
DecayMode
& dm)
const
;
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virtual
InvEnergy threeBodydGammads(
const
int
imode,
const
Energy2 q2,
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const
Energy2 s,
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const
Energy m1,
const
Energy m2,
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const
Energy m3)
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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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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protected
:
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virtual
void
doinit();
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virtual
void
doinitrun();
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private
:
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VectorMesonPScalarFermionsDecayer
& operator=(
const
VectorMesonPScalarFermionsDecayer
&) =
delete
;
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private
:
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vector<InvEnergy>
_coupling
;
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vector<int>
_incoming
;
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vector<int>
_outgoingP
;
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vector<int>
_outgoingf
;
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vector<int>
_outgoinga
;
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vector<double>
_maxweight
;
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vector<double>
_weight
;
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vector<int>
_includeVMD
;
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vector<int>
_VMDid
;
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vector<Energy>
_VMDmass
;
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vector<Energy>
_VMDwidth
;
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unsigned
int
_initsize
;
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mutable
RhoDMatrix
_rho
;
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mutable
vector<Helicity::LorentzPolarizationVector>
_vectors
;
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mutable
vector<Helicity::LorentzSpinor <SqrtEnergy> >
_wave
;
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mutable
vector<Helicity::LorentzSpinorBar<SqrtEnergy> >
_wavebar
;
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};
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}
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#endif
/* HERWIG_VectorMesonPScalarFermionsDecayer_H */
ThePEG::PersistentIStream
ThePEG::Particle
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::VectorMesonPScalarFermionsDecayer::_VMDwidth
vector< Energy > _VMDwidth
Width for the VMD form factor.
Definition:
VectorMesonPScalarFermionsDecayer.h:226
Herwig::VectorMesonPScalarFermionsDecayer::_vectors
vector< Helicity::LorentzPolarizationVector > _vectors
Polarization vectors for the decaying particle.
Definition:
VectorMesonPScalarFermionsDecayer.h:241
Herwig::VectorMesonPScalarFermionsDecayer::_weight
vector< double > _weight
Relative weights for the two channels.
Definition:
VectorMesonPScalarFermionsDecayer.h:206
Herwig::VectorMesonPScalarFermionsDecayer::_wavebar
vector< Helicity::LorentzSpinorBar< SqrtEnergy > > _wavebar
Barred spinors for the fermions.
Definition:
VectorMesonPScalarFermionsDecayer.h:251
ThePEG
Herwig::VectorMesonPScalarFermionsDecayer
The VectorMesonPScalarFermionsDecayer class is designed to perform the decay of a vector meson to a p...
Definition:
VectorMesonPScalarFermionsDecayer.h:49
Herwig::VectorMesonPScalarFermionsDecayer::_outgoingf
vector< int > _outgoingf
PDG codes for the outgoing fermion.
Definition:
VectorMesonPScalarFermionsDecayer.h:191
Herwig::VectorMesonPScalarFermionsDecayer::_outgoingP
vector< int > _outgoingP
PDG codes for the outgoing meson.
Definition:
VectorMesonPScalarFermionsDecayer.h:186
Herwig::DecayIntegrator::MEOption
MEOption
Enum for the matrix element option.
Definition:
DecayIntegrator.h:79
Herwig::VectorMesonPScalarFermionsDecayer::_maxweight
vector< double > _maxweight
Maximum weight for a decay.
Definition:
VectorMesonPScalarFermionsDecayer.h:201
Herwig::VectorMesonPScalarFermionsDecayer::_outgoinga
vector< int > _outgoinga
PDG codes for the outgoing antifermion.
Definition:
VectorMesonPScalarFermionsDecayer.h:196
ThePEG::tPDVector
vector< tPDPtr > tPDVector
Herwig::VectorMesonPScalarFermionsDecayer::_incoming
vector< int > _incoming
PDG codes for the incoming particle.
Definition:
VectorMesonPScalarFermionsDecayer.h:181
Herwig::VectorMesonPScalarFermionsDecayer::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Definition:
VectorMesonPScalarFermionsDecayer.h:138
Herwig::DecayIntegrator
Main class for Decayers implementing multi-channel phase space integration.
Definition:
DecayIntegrator.h:62
ThePEG::tcPDPtr
ThePEG::Ptr< ParticleData >::transient_const_pointer tcPDPtr
Herwig::VectorMesonPScalarFermionsDecayer::_wave
vector< Helicity::LorentzSpinor< SqrtEnergy > > _wave
Spinors for the fermions.
Definition:
VectorMesonPScalarFermionsDecayer.h:246
Herwig::VectorMesonPScalarFermionsDecayer::_coupling
vector< InvEnergy > _coupling
coupling for a decay
Definition:
VectorMesonPScalarFermionsDecayer.h:176
Herwig::VectorMesonPScalarFermionsDecayer::_VMDid
vector< int > _VMDid
PDG code for the particle mass and width to use for the VMD form factor.
Definition:
VectorMesonPScalarFermionsDecayer.h:216
Herwig::VectorMesonPScalarFermionsDecayer::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Definition:
VectorMesonPScalarFermionsDecayer.h:144
Herwig::VectorMesonPScalarFermionsDecayer::_initsize
unsigned int _initsize
Initial size of the vectors.
Definition:
VectorMesonPScalarFermionsDecayer.h:231
Herwig::VectorMesonPScalarFermionsDecayer::_rho
RhoDMatrix _rho
Spin density matrixl.
Definition:
VectorMesonPScalarFermionsDecayer.h:236
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::DecayMode
Herwig::VectorMesonPScalarFermionsDecayer::_includeVMD
vector< int > _includeVMD
Include the VMD form factor.
Definition:
VectorMesonPScalarFermionsDecayer.h:211
ThePEG::ParticleVector
vector< PPtr > ParticleVector
ThePEG::RhoDMatrix
Herwig::VectorMesonPScalarFermionsDecayer::_VMDmass
vector< Energy > _VMDmass
Mass for the VMD form factor.
Definition:
VectorMesonPScalarFermionsDecayer.h:221
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