APFEL 4.8.0
A PDF evolution library in C++
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Public Member Functions | List of all members

The O(αs) non-singlet matching function for Sivers PDFs (see Eq. (A.9) of https://arxiv.org/pdf/2009.10710.pdf). More...

#include <matchingfunctionspdf.h>

Inheritance diagram for apfel::C1nspdfSivers:
apfel::Expression

Public Member Functions

 C1nspdfSivers ()
 
double Regular (double const &x) const
 Virtual regular term.
 
double Local (double const &) 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 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.
 
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).
 

Additional Inherited Members

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

Detailed Description

The O(αs) non-singlet matching function for Sivers PDFs (see Eq. (A.9) of https://arxiv.org/pdf/2009.10710.pdf).

Constructor & Destructor Documentation

◆ C1nspdfSivers()

apfel::C1nspdfSivers::C1nspdfSivers ( )

Member Function Documentation

◆ Local()

double apfel::C1nspdfSivers::Local ( double const & ) const
virtual

Virtual local term.

Returns
The local term at x

Reimplemented from apfel::Expression.

◆ Regular()

double apfel::C1nspdfSivers::Regular ( double const & ) const
virtual

Virtual regular term.

Returns
The regular term at x

Reimplemented from apfel::Expression.


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