Coherent power corrections to structure functions

Details Coherent power corrections to structure functions Coherent power corrections to structure functions

2005-06-04

arxiv.org/abs/hep-ph/0506039v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Proceedings of the XIII international workshop in Deep Inelastic Scattering DIS 2005. 5 pages 6 figures

Scientific paper

We calculate and resum a perturbative expansion of nuclear enhanced power corrections to the structure functions measured in deeply inelastic scattering of leptons on a nuclear target. Our results for the Bjorken x-, Q**2- and A-dependence of nuclear shadowing in F2(x,Q**2;A) and the nuclear modifications to FL(x,Q**2;A), obtained in terms of the QCD factorization approach, are consistent with the existing data. We predict the dynamical shadowing from final state interactions in neutrino-nucleus reactions for sea and valence quarks in the structure functions F2(x,Q**2;A) and xF3(x,Q**2;A), respectively. In p+A collisions we calculate the centrality and rapidity dependent nuclear suppression of single and double inclusive hadron production at moderate transverse momenta.

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