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Analytic resummation and power corrections for DIS and Drell--Yan

Abstract

Dimensional continuation is applied to resummed expressions for the DIS and Drell-Yan partonic cross sections, to regularize the Landau pole. Simple analytic expression are obtained, encoding information about nonperturbative power--suppressed effects.Comment: 6 pages, talk delivered at DIS 2001, Bologna (Italy), 27/4-1/5 200

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