apfel::C2nsmff Class Reference

The O(α_s²) quark-antiquark matching function for FFs (references: https://arxiv.org/pdf/1604.07869.pdf and https://arxiv.org/pdf/1706.01473.pdf). More...

#include <matchingfunctionsff.h>

Inheritance diagram for apfel::C2nsmff:

Public Member Functions
	C2nsmff (int const &nf)
double	Regular (double const &x) const
	Virtual regular term.
double	Singular (double const &x) const
	Virtual singular term.
double	Local (double const &x) const
	Virtual local term.
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	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.
virtual double	SingularPV (double const &) const
	Virtual singular term for principal-valued integrals in the DGLAP region (i.e. with pole in x in the interval (0,1)).
virtual double	LocalPV (double const &) const
	Virtual local term for principal-valued integrals a la DGLAP with singularity in the interval (0,1).

Protected Attributes
int const	_nf
double	_A2
Protected Attributes inherited from apfel::Expression
double	_extvar
	External kinematic variable.
double const	_eta
	Scaling parameter.

Detailed Description

The O(α_s²) quark-antiquark matching function for FFs (references: https://arxiv.org/pdf/1604.07869.pdf and https://arxiv.org/pdf/1706.01473.pdf).

Constructor & Destructor Documentation

C2nsmff()

apfel::C2nsmff::C2nsmff

(

int const &

nf

)

Member Function Documentation

Local()

double apfel::C2nsmff::Local ( double const & ) const

virtual

Virtual local term.

Returns

The local term at x

Reimplemented from apfel::Expression.

Regular()

double apfel::C2nsmff::Regular ( double const & ) const

virtual

Virtual regular term.

Returns

The regular term at x

Reimplemented from apfel::Expression.

Singular()

double apfel::C2nsmff::Singular ( double const & ) const

virtual

Virtual singular term.

Returns

The singular term at x

Reimplemented from apfel::Expression.

Member Data Documentation

_A2

double apfel::C2nsmff::_A2

protected

_nf

int const apfel::C2nsmff::_nf

protected

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

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