Nuclear shadowing in Glauber-Gribov theory with Q2-evolution

Details Nuclear shadowing in Glauber-Gribov theory with Q2-evolution Nuclear shadowing in Glauber-Gribov theory with Q2-evolution

2010-03-15

arxiv.org/abs/1003.2947v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 9 figures

Scientific paper

We consider deep inelastic scattering off nuclei in the Regge limit within the Glauber-Gribov model. Using unitarized parton distribution functions for the proton, we find sizeable shadowing effects on the nuclear total and longitudinal structure functions, $F_2^A$ and $F_L^A$, in the low-x limit. Extending a fan-diagram analysis for the large-mass region of coherent diffraction off nuclei to high Q2, we also find significant shadowing effects in this kinematical regime. Finally, we discuss shortcomings of our approach and possible extensions of the model to other kinematical regimes.

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