Experimental moments of the nucleon stru
β
M. Osipenko; W. Melnitchouk; S. Simula; S. Kulagin; G. Ricco
π
Article
π
2007
π
Elsevier Science
π
English
β 206 KB
The difference between NLO and NNLO is small with respect to uncertainties of the data 2 , (1) where LT n is the leading, twist-2 moment, Ξ± S is the running coupling constant, ΞΌ 2 is an arbitrary scale (taken to be 10 (GeV/c) 2 ), a Ο n is the matrix element of corresponding QCD operators, Ξ³ Ο n i