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Author Martin, A. D. ♦ Roberts, R. G. ♦ Stirling, W. J. ♦ Thorne, R. S.
Source arXiv.org
Content type Text
File Format PDF
Date of Submission 1998-08-20
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics
Subject Keyword High Energy Physics - Phenomenology ♦ physics:hep-ph
Abstract We extend a recent global analysis of nucleon parton distributions carried out at next-to-leading order (NLO) in the MSbar scheme to provide distributions in the so-called DIS scheme. We pay particular attention to the translation of the heavy quark distributions in going from the MSbar to the DIS scheme. We repeat the global analysis at leading order (LO) and comment on the major effects produced when going from LO to NLO. Finally we include in the global analysis a freely parameterised form of possible higher twist contributions to make an exploratory study of the size of these effects as a function of x.
Description Reference: Phys.Lett. B443 (1998) 301-307
Educational Use Research
Learning Resource Type Article


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