Twist-4 Gluon Recombination Corrections for Deep Inelastic Structure Functions

Details Twist-4 Gluon Recombination Corrections for Deep Inelastic Structure Functions Twist-4 Gluon Recombination Corrections for Deep Inelastic Structure Functions

2001-02-02

arxiv.org/abs/hep-ph/0102025v2

Phys.Lett. B504 (2001) 235-240

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages LATEX, 2 style file, 3 eps-files

Scientific paper

10.1016/S0370-2693(01)00305-7

We calculate twist--4 coefficient functions for the deep inelastic structure function $F_2(x,Q^2)$ associated to 4--gluon operator matrix elements for general values of the Bjorken variable $x$ and study the numerical effect on the slope $\partial F_2(x,Q^2)/\partial \log Q^2$. It is shown that these contributions diminish the strongly rising twist--2 terms towards small values of $x$.

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