Truncated Moments of Nonsinglet Parton Distributions in the double logarithmic $ln^2x$ approximation

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dc.creatorKotlorz, D.
dc.creatorKotlorz, A.
dc.date2004-03-05
dc.date.accessioned2026-07-07T03:52:12Z
dc.date.available2026-07-07T03:52:12Z
dc.descriptionThe method of truncated Mellin moments in a solving QCD evolution equations of the nonsinglet structure functions $F_2^{NS}(x,Q^2)$ and $g_1^{NS}(x,Q^2)$ is presented. All calculations are performed within double logarithmic $ln^2x$ approximation. An equation for truncated moments which incorporates $ln^2x$ effects is formulated and solved for the unintegrated structure function $f^{NS}(x,Q^2)$. The contribution to the Bjorken sum rule coming from the region of very small $x$ is quantified. Further possible improvement of this approach is also discussed.
dc.description17 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0403061
dc.identifierhttp://arxiv.org/abs/hep-ph/0403061
dc.identifierActa Phys.Polon. B35 (2004) 705-721
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/43379
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTruncated Moments of Nonsinglet Parton Distributions in the double logarithmic $ln^2x$ approximation
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