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Herwig
7.2.1
Shower
QTilde
Couplings
ShowerAlphaQED.h
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// -*- C++ -*-
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//
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// ShowerAlphaQED.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_ShowerAlphaQED_H
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#define HERWIG_ShowerAlphaQED_H
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//
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// This is the declaration of the ShowerAlphaQED class.
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//
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#include "Herwig/Shower/ShowerAlpha.h"
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namespace
Herwig
{
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using namespace
ThePEG
;
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class
ShowerAlphaQED
:
public
ShowerAlpha
{
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public
:
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ShowerAlphaQED
() :
ShowerAlpha
(), _alpha(1./137.), couplingSource_(1)
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{}
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public
:
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virtual
double
value(
const
Energy2 scale)
const
;
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virtual
double
overestimateValue()
const
;
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virtual
double
ratio(
const
Energy2 scale,
double
factor=1.)
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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inline
virtual
IBPtr
clone
()
const
{
return
new_ptr(*
this
);}
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inline
virtual
IBPtr
fullclone
()
const
{
return
new_ptr(*
this
);}
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protected
:
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virtual
void
doinit();
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private
:
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static
ClassDescription<ShowerAlphaQED>
initShowerAlphaQED
;
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ShowerAlphaQED
& operator=(
const
ShowerAlphaQED
&) =
delete
;
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private
:
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double
_alpha
;
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unsigned
int
couplingSource_
;
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};
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}
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#include "ThePEG/Utilities/ClassTraits.h"
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namespace
ThePEG
{
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template
<>
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struct
BaseClassTrait
<Herwig::
ShowerAlphaQED
,1> {
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typedef
Herwig::ShowerAlpha
NthBase;
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};
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template
<>
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struct
ClassTraits
<Herwig::
ShowerAlphaQED
>
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:
public
ClassTraitsBase
<Herwig::ShowerAlphaQED> {
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static
string
className() {
return
"Herwig::ShowerAlphaQED"
; }
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static
string
library() {
return
"HwShower.so"
; }
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};
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}
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#endif
/* HERWIG_ShowerAlphaQED_H */
ThePEG::PersistentIStream
Herwig::ShowerAlphaQED::ShowerAlphaQED
ShowerAlphaQED()
The default constructor.
Definition:
ShowerAlphaQED.h:43
ThePEG::ClassDescription
ThePEG::PersistentOStream
ThePEG::IBPtr
ThePEG::Ptr< InterfacedBase >::pointer IBPtr
Herwig::ShowerAlphaQED::_alpha
double _alpha
The value of the coupling, as we are producing real photons this is always .
Definition:
ShowerAlphaQED.h:148
Herwig::ShowerAlphaQED::fullclone
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
Definition:
ShowerAlphaQED.h:116
ThePEG
Herwig::ShowerAlphaQED
This concrete class provides the definition of the pure virtual function value(scale) for ...
Definition:
ShowerAlphaQED.h:34
Herwig::ShowerAlphaQED::clone
virtual IBPtr clone() const
Make a simple clone of this object.
Definition:
ShowerAlphaQED.h:110
Herwig::ShowerAlphaQED::initShowerAlphaQED
static ClassDescription< ShowerAlphaQED > initShowerAlphaQED
The static object used to initialize the description of this class.
Definition:
ShowerAlphaQED.h:134
Herwig::ShowerAlpha
This class is the abstract class from which all types of running couplings used in the Showering deri...
Definition:
ShowerAlpha.h:49
Herwig
-*- C++ -*-
Definition:
BasicConsistency.h:17
ThePEG::ClassTraits
Herwig::ShowerAlphaQED::couplingSource_
unsigned int couplingSource_
Source of coupling value.
Definition:
ShowerAlphaQED.h:153
ThePEG::BaseClassTrait
ThePEG::ClassTraitsBase
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