APFEL 4.8.0
A PDF evolution library in C++
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Namespaces
betaqcd.h File Reference

Go to the source code of this file.

Namespaces

namespace  apfel
 Namespace for all APFEL++ functions and classes.
 

Functions

QCD beta function

Coefficients of the QCD $\beta$ function. Reference: https://arxiv.org/pdf/1701.01404.pdf

double apfel::beta0qcd (int const &nf)
 LO coefficient of the QCD $\beta$ function.
 
double apfel::beta1qcd (int const &nf)
 NLO coefficient of the QCD $\beta$ function.
 
double apfel::beta2qcd (int const &nf)
 NNLO coefficient of the QCD $\beta$ function.
 
double apfel::beta3qcd (int const &nf)
 NNNLO coefficient of the QCD $\beta$ function.
 
double apfel::beta4qcd (int const &nf)
 N4LO coefficient of the QCD $\beta$ function.