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File indexing completed on 2026-06-02 08:17:12

0001 //
0002 // APFEL++ 2017
0003 //
0004 // Author: Valerio Bertone: valerio.bertone@cern.ch
0005 //
0006 
0007 #pragma once
0008 
0009 namespace apfel
0010 {
0011   /**
0012    * @name GammaV anomalous dimension.
0013    * Coefficients of the &gamma;<SUB>F</SUB> anomalous dimension. The
0014    * expressions are taken from eq. (58)
0015    * https://arxiv.org/pdf/1705.07167.pdf.
0016    */
0017   ///@{
0018   /// Quark &alpha;<SUB>s</SUB> term
0019   double gammaFq0();
0020 
0021   /// Quark &alpha;<SUB>s</SUB><SUP>2</SUP> term
0022   double gammaFq1(int const& nf);
0023 
0024   /// Quark &alpha;<SUB>s</SUB><SUP>3</SUP> term
0025   double gammaFq2(int const& nf);
0026 
0027   /// Gluon &alpha;<SUB>s</SUB> term
0028   double gammaFg0(int const& nf);
0029 
0030   /// Gluon &alpha;<SUB>s</SUB><SUP>2</SUP> term
0031   double gammaFg1(int const& nf);
0032 
0033   /// Gluon &alpha;<SUB>s</SUB><SUP>3</SUP> term
0034   double gammaFg2(int const& nf);
0035   ///@}
0036 }