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arxiv: 1005.3772 · v1 · pith:KO4ASALUnew · submitted 2010-05-20 · ✦ hep-ph

New type of parametrizations for parton distributions

classification ✦ hep-ph
keywords largepartontypeasymptoticsconstructeddglapdistributiondistributions
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New type of parametrization for parton distribution functions, based on an exact their Q^2-evolution at large and small x values, is constructed for valence quarks. It preserves exactly the low x and large x asymptotics of the solution of the DGLAP equation and obeys the Gross-Llewellyn-Smith sum rule.

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