A geometrizing higher twist effect on nuclear target

Details A geometrizing higher twist effect on nuclear target A geometrizing higher twist effect on nuclear target

2004-08-30

arxiv.org/abs/hep-ph/0408328v4

Nucl.Phys. A753 (2005) 206-232

Physics

High Energy Physics

High Energy Physics - Phenomenology

40 pages, 21 figures, replaced with revised version and missing figures, accepted for publication in Nucl. Phys. A

Scientific paper

10.1016/j.nuclphysa.2005.02.085

The higher twist effects in deep inelastic scattering on the nuclear target are studied using time ordered perturbation theory. We showed that the collinear rescattering of the outgoing quark on the extra nucleons via the contacting gluon-pair is dominant in nuclear size-dependent effects. The Qiu-Vitev resummation is proved by using the geometric properties of the higher twist amplitudes. The leading contributions of nuclear-enhanced effect to the DGLAP evolution equation are resummed in the same framework.

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