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MatrixElement
MEqq2qq1.h
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// -*- C++ -*-
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//
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// MEqq2qq1.h is a part of ThePEG - Toolkit for HEP Event Generation
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// Copyright (C) 1999-2011 Leif Lonnblad
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//
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// ThePEG is licenced under version 2 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 ThePEG_MEqq2qq_H
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#define ThePEG_MEqq2qq_H
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// This is the declaration of the MEqq2qq class.
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#include "ThePEG/MatrixElement/ME2to2QCD.h"
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namespace
ThePEG {
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class
MEqq2qq
:
public
ME2to2QCD
{
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public
:
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virtual
double
me2
()
const
;
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virtual
void
getDiagrams
()
const
;
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virtual
Selector<const ColourLines *>
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colourGeometries
(
tcDiagPtr
diag)
const
;
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virtual
Selector<DiagramIndex>
diagrams
(
const
DiagramVector
& dv)
const
;
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protected
:
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double
colA
()
const
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{
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return
(sqr(
tHat
()) + sqr(
uHat
()))/sqr(
sHat
()) +
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(
interference
()? -double(sqr(
uHat
())/(3.0*
sHat
()*
tHat
())): 0.0);
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}
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double
colB
()
const
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{
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return
(sqr(
uHat
()) + sqr(
sHat
()))/sqr(
tHat
()) +
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(
interference
()? -double(sqr(
uHat
())/(3.0*
sHat
()*
tHat
())): 0.0);
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}
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public
:
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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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static
NoPIOClassDescription<MEqq2qq>
initMEqq2qq
;
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MEqq2qq
&
operator=
(
const
MEqq2qq
&);
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};
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}
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namespace
ThePEG {
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template
<>
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struct
BaseClassTrait<MEqq2qq,1>:
public
ClassTraitsType {
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typedef
ME2to2QCD
NthBase
;
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};
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template
<>
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struct
ClassTraits<MEqq2qq>:
public
ClassTraitsBase<MEqq2qq> {
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static
string
className
() {
return
"ThePEG::MEqq2qq"
; }
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static
string
library
() {
return
"MEQCD.so"
; }
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};
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}
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#endif
/* ThePEG_MEqq2qq_H */
Generated on Mon Jul 2 2012 16:06:47 for ThePEG by
1.8.1.1