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VOLUME 105 (2017) | ISSUE 4 | PAGE 209
Effect of meson cloud on the jet nuclear modification factor in pA collisions
DOI: 10.7868/S0370274X17040026
Abstract
We study the effect of the nucleon meson cloud on centrality dependence of the jet nuclear modification factor RpA. We find that the meson-baryon Fock components may lead to a noticeable deviation of RpA from unity. Our results for RpA show the same tendency as that observed by ATLAS in p+Pb collisions at \sqrt{s}=5.02 TeV. The meson cloud suppresses the central jet events and enhances the peripheral jet events. But quantitatively the effect is somewhat smaller than in the data.