High Energy Physics - Phenomenology
[Submitted on 10 Jul 1998]
Title:An operator expansion for the elastic limit
View PDFAbstract: A leading twist expansion in terms of bi-local operators is proposed for the structure functions of deeply inelastic scattering near the elastic limit $x \to 1$, which is also applicable to a range of other processes. Operators of increasing dimensions contribute to logarithmically enhanced terms which are supressed by corresponding powers of $1-x$. For the longitudinal structure function, in moment ($N$) space, all the logarithmic contributions of order $\ln^k N/N$ are shown to be resummable in terms of the anomalous dimension of the leading operator in the expansion.
Submission history
From: Michael G. Sotiropoulos [view email][v1] Fri, 10 Jul 1998 15:24:03 UTC (10 KB)
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