Double scaling violations

Abstract

We discuss the theoretical implications of the scaling properties of F_2^p at small x observed in recent HERA experiments. We show that low Q^2 data display double scaling violations which are adequately described by NL ln Q^2 corrections. Scaling violations due to summations of leading and subleading ln 1/x beyond NLO in ln Q^2 are however disfavoured by the data.

arXiv comment6 pages, 6 figures, plain LaTeX misprint corrected

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