Scaling approach to higher-twist corrections

Details Scaling approach to higher-twist corrections Scaling approach to higher-twist corrections

1996-04-21

arxiv.org/abs/hep-ph/9604377v1

Phys.Lett. B383 (1996) 233-237

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 5 figures

Scientific paper

10.1016/0370-2693(96)00734-4

Bjorken scaling is violetd. At large $x$-values ($0.7 \lesssim x \leq 1$) the violation is mainly attributed to $\propto 1/Q^2$ (higher-twist) corrections. We discuss how to incorporate such corrections by using a new scaling variable $\bar x(x,Q^2)$ which accounts for the non-perturbative effects due to the confining parton interaction in the final state. The approach can accomodate also the remaining QCD logarithmic corrections and the behaviour of the $F_2(x,Q^2)$ structure functions is reproduced, in a quite natural way, within a wide kinematical range.

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