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Herwig
7.2.1
Decay
ScalarMeson
EtaPiPiPiDecayer.h
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// -*- C++ -*-
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//
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// EtaPiPiPiDecayer.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_EtaPiPiPiDecayer_H
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#define HERWIG_EtaPiPiPiDecayer_H
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// This is the declaration of the EtaPiPiPiDecayer class.
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#include "Herwig/Decay/DecayIntegrator.h"
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#include "Herwig/Decay/DecayPhaseSpaceMode.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
EtaPiPiPiDecayer
:
public
DecayIntegrator
{
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public
:
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EtaPiPiPiDecayer
();
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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,
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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EtaPiPiPiDecayer
& operator=(
const
EtaPiPiPiDecayer
&) =
delete
;
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private
:
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vector<int>
_incoming
;
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vector<int>
_outgoing
;
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vector<bool>
_charged
;
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vector<double>
_prefactor
;
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//*{
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vector<double>
_a
;
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vector<double>
_b
;
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vector<double>
_c
;
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vector<double>
_maxweight
;
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unsigned
int
_initsize
;
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mutable
RhoDMatrix
_rho
;
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};
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}
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#endif
/* HERWIG_EtaPiPiPiDecayer_H */
ThePEG::PersistentIStream
ThePEG::Particle
Herwig::EtaPiPiPiDecayer::_c
vector< double > _c
The constant.
Definition:
EtaPiPiPiDecayer.h:204
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::EtaPiPiPiDecayer::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Definition:
EtaPiPiPiDecayer.h:138
ThePEG
Herwig::EtaPiPiPiDecayer::_prefactor
vector< double > _prefactor
the prefactor for the decay
Definition:
EtaPiPiPiDecayer.h:185
Herwig::EtaPiPiPiDecayer::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Definition:
EtaPiPiPiDecayer.h:132
Herwig::EtaPiPiPiDecayer::_incoming
vector< int > _incoming
the id of the incoming particle
Definition:
EtaPiPiPiDecayer.h:170
Herwig::EtaPiPiPiDecayer::_a
vector< double > _a
The constants for the matrix elements.
Definition:
EtaPiPiPiDecayer.h:194
Herwig::DecayIntegrator::MEOption
MEOption
Enum for the matrix element option.
Definition:
DecayIntegrator.h:79
ThePEG::tPDVector
vector< tPDPtr > tPDVector
Herwig::EtaPiPiPiDecayer::_b
vector< double > _b
The constant.
Definition:
EtaPiPiPiDecayer.h:199
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::EtaPiPiPiDecayer::_initsize
unsigned int _initsize
Initial size of the vectors.
Definition:
EtaPiPiPiDecayer.h:215
Herwig::EtaPiPiPiDecayer::_outgoing
vector< int > _outgoing
the id of the last neutral meson
Definition:
EtaPiPiPiDecayer.h:175
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::DecayMode
Herwig::EtaPiPiPiDecayer
The EtaPiPiPiDecayer class is designed for the simulation of the decay of the or to either or and...
Definition:
EtaPiPiPiDecayer.h:44
Herwig::EtaPiPiPiDecayer::_charged
vector< bool > _charged
whether the pions are charged or neutral
Definition:
EtaPiPiPiDecayer.h:180
Herwig::EtaPiPiPiDecayer::_maxweight
vector< double > _maxweight
maximum weights
Definition:
EtaPiPiPiDecayer.h:210
ThePEG::ParticleVector
vector< PPtr > ParticleVector
ThePEG::RhoDMatrix
Herwig::EtaPiPiPiDecayer::_rho
RhoDMatrix _rho
Spin density matrix.
Definition:
EtaPiPiPiDecayer.h:220
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