Higher twists in deep inelastic scattering

Details Higher twists in deep inelastic scattering Higher twists in deep inelastic scattering

1998-02-19

arxiv.org/abs/hep-ph/9802366v2

Phys.Lett. B431 (1998) 395-404

Physics

High Energy Physics

High Energy Physics - Phenomenology

The sign of the gluon rescattering twist-4 component has been corrected and the manuscript modified accordingly

Scientific paper

10.1016/S0370-2693(98)00571-1

We perform an exploratory study of higher twist contributions to deep inelastic scattering. We estimate the size of two major sources of higher twist, namely absorptive corrections and the vector meson dominance (VMD) contribution. We find that they give a sizeable higher twist component of F_2. For example at x = 0.01 it is about 8% (17%) at Q^2 = 10 GeV^2 (4 GeV^2), reaching up to 27% at x = 10^{-4} and Q^2 = 4 GeV^2. At the smaller x value the largest contribution comes from absorptive corrections, while at the larger values of x the VMD term dominates.

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