Non-Singlet QCD Analysis of the Structure Function F_2 in 3-Loops

Details Non-Singlet QCD Analysis of the Structure Function F_2 in 3-Loops Non-Singlet QCD Analysis of the Structure Function F_2 in 3-Loops

2004-07-07

arxiv.org/abs/hep-ph/0407089v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

1 Latex file, 1 style file, 2 figures Current World average on alpha_s added

Scientific paper

10.1016/j.nuclphysbps.2004.09.05

First results of a non--singlet QCD analysis of the structure function $F_2(x,Q^2)$ in 3--loop order based on the non--singlet world data are presented. Correlated errors are determined and their propagation through the evolution equations is performed analytically. The value for $\alpha_s(M_Z)$ is determined to be $0.1135 +/- 0.0023/0.0026$ compatible with results from other QCD analyses. Low moments for $u_v(x)$, $d_v(x)$ and $u_v(x) - d_v(x)$ with correlated errors are calculated which may be compared with results from lattice simulations.

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