Nonperturbative contribution to the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi and Gribov-Levin-Ryskin equation

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dc.creatorHe, Bo
dc.date1999-04-20
dc.date.accessioned2026-07-07T04:06:53Z
dc.date.available2026-07-07T04:06:53Z
dc.descriptionBy studying the nonperturbative contribution to the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi and Gribov-Levin-Ryskin equation, it is found that (i) the nonperturbative contribution suppresses the evolution rate at the low $Q^2$, small-x region; (ii) the nonperturbative contribution weakens the shadowing effect. The method in this paper suggests a smooth transition from the low $Q^2$ ("soft"), where nonperturbative contribution dominates, to the large $Q^2$ ("hard") region, where the perturbative contribution dominates and the nonperturbative contribution can be neglected. PACS numbers:12.38.Aw, 13.60.Hb
dc.description10 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/9904400
dc.identifierhttp://arxiv.org/abs/hep-ph/9904400
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/48947
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNonperturbative contribution to the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi and Gribov-Levin-Ryskin equation
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