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VOLUME 105 | ISSUE 4 | PAGE 209
Effect of meson cloud on the jet nuclear modification factor in pA collisions
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.