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FS_GtoGGSplitFun.h
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FS_GtoGGSplitFun.h
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// -*- C++ -*-
#ifndef HERWIG_FS_GtoGGSplitFun_H
#define HERWIG_FS_GtoGGSplitFun_H
//
// This is the declaration of the <!id>FS_GtoGGSplitFun<!!id> class.
//
// CLASSDOC SUBSECTION Description:
//
// This (concrete) class provides the exact Next-to-Leading-Order (NLO) <BR>
// Final State splitting function <I>G->GG</I>. <BR>
// If you want to use instead the Leading-Order (LO) one, then <BR>
// do *not* define the virtual methods below.
//
// CLASSDOC SUBSECTION See also:
//
// <a href="http:GtoGGSplitFun.html">GtoGGSplitFun.h</a>, <BR>
// <a href="http:IS_GtoGGSplitFun.html">IS_GtoGGSplitFun.h</a>.
//
#include
"GtoGGSplitFun.h"
namespace
Herwig
{
using
namespace
Pythia7
;
class
FS_GtoGGSplitFun
:
public
GtoGGSplitFun
{
public
:
inline
FS_GtoGGSplitFun
();
inline
FS_GtoGGSplitFun
(
const
FS_GtoGGSplitFun
&
);
virtual
~
FS_GtoGGSplitFun
();
// Standard ctors and dtor.
// virtual Complex fullFun( const double z, const double phi );
// virtual Complex integratedFun( const double z );
// virtual Complex fullFunWithHelicities( const double z, const double phi,
// const int h0, const int h1, const int h2 );
// virtual Complex integratedFunWithHelicities( const double z,
// const int h0, const int h1, const int h2 );
// These methods should be defined only if you want to
// use the exact Next-to-Leading-Order (NLO) values of the
// Final State splitting function <I>G->GG</I>, evaluated in terms of
// some combinations of:
// <!id>z<!!id> variable, <!id>phi<!!id> azimuthal angle, and
// helicities of the three particles.
// Notice that if you are happy with the LO splitting function, then
// you should *not* override the virtual methods defined in the
// base class <!class>GtoGGSplitFun<!!class>.
private
:
FS_GtoGGSplitFun
&
operator
=
(
const
FS_GtoGGSplitFun
&
);
// Private and non-existent assignment operator.
};
}
#include
"FS_GtoGGSplitFun.icc"
#endif
/* HERWIG_FS_GtoGGSplitFun_H */
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