Gross–Llevellyn Smith sum rule: higher twist terms contribution

V. L. Khandramai ; O. P. Solovtsova ; V. G. Teplyakov

Problemy fiziki, matematiki i tehniki, no. 1 (2012), pp. 46-50.

Résumé

Four-loop QCD analysis of the Gross–Llewellyn Smith sum rule was performed. The extraction of the twist-4 term from the experimental data and comparison with the corresponding results obtained from the Bjorken sum rules was made. It is shown that within the error the value of the twist-4 term in the Gross–Llewellyn Smith sum rule differs from the corresponding value extracted from the Bjorken sum rule.

Détail

Keywords: deep-inelastic lepton-hadron scattering, Gross–Llevellyn Smith sum rule, perturbative theory, higher twists, quantum chromodinamics (QCD).

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