apfel::Cgtmd1polgg Class Reference

The O(α_s) gluon-gluon longitudinally polarised matching function for GTMDs. More...

#include <gmatchingfunctions.h>

Inheritance diagram for apfel::Cgtmd1polgg:

Public Member Functions
	Cgtmd1polgg (double const &xi)
double	Regular (double const &x) const
	Virtual regular term.
double	Local (double const &) const
	Virtual local term.
double	SingularPV (double const &x) const
	Virtual singular term for principal-valued integrals in the DGLAP region (i.e. with pole in x in the interval (0,1)).
double	LocalPV (double const &x) const
	Virtual local term for principal-valued integrals a la DGLAP with singularity in the interval (0,1).
Public Member Functions inherited from apfel::Expression
virtual	~Expression ()=default
void	SetExternalVariable (double const &extvar) const
	Function that sets the value of a possible external variable.
double	eta () const
	Function that returns the value of the scaling parameter eta.
	Expression (double const &eta=1)
	The "Expression" constructor.
virtual double	Singular (double const &) const
	Virtual singular term.
virtual double	LocalPP (double const &) const
	Virtual local term for principal-valued integrals a la ERBL with singularity at x = 1, i.e. corresponding to the ++-prescription.

Additional Inherited Members
Protected Attributes inherited from apfel::Expression
double	_extvar
	External kinematic variable.
double const	_eta
	Scaling parameter.

Detailed Description

The O(α_s) gluon-gluon longitudinally polarised matching function for GTMDs.

Constructor & Destructor Documentation

Cgtmd1polgg()

apfel::Cgtmd1polgg::Cgtmd1polgg

(

double const &

xi

)

Member Function Documentation

Local()

double apfel::Cgtmd1polgg::Local ( double const & ) const

virtual

Virtual local term.

Returns

The local term at x

Reimplemented from apfel::Expression.

LocalPV()

double apfel::Cgtmd1polgg::LocalPV ( double const & ) const

virtual

Virtual local term for principal-valued integrals a la DGLAP with singularity in the interval (0,1).

Returns

The local term for principal-valued distributions at x

Reimplemented from apfel::Expression.

Regular()

double apfel::Cgtmd1polgg::Regular ( double const & ) const

virtual

Virtual regular term.

Returns

The regular term at x

Reimplemented from apfel::Expression.

SingularPV()

double apfel::Cgtmd1polgg::SingularPV ( double const & ) const

virtual

Virtual singular term for principal-valued integrals in the DGLAP region (i.e. with pole in x in the interval (0,1)).

Returns

The singular term for principal-valued distributions at x

Reimplemented from apfel::Expression.

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The documentation for this class was generated from the following file:

• /Users/vb262523/Codes/apfelxx/inc/apfel/gmatchingfunctions.h