Proton-nucleus scattering and cross section fluctuations at RHIC and LHC

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dc.creatorGuzey, V.
dc.creatorStrikman, M.
dc.date2005-05-11
dc.date2008-05-31
dc.date.accessioned2026-07-07T11:43:33Z
dc.date.available2026-07-07T11:43:33Z
dc.descriptionWe consider high-energy proton-heavy nucleus scattering within the framework of the Glauber-Gribov approximation and taking into account cross section fluctuations. Fixing parameters of the model for cross section fluctuations by the available data, we make predictions for the total, elastic and coherent diffractive dissociation proton-nucleus cross sections for the RHIC and LHC energy range. We predict a strong change of the A-dependence of diffraction dissociation from A^{0.42} at RHIC energies to A^{0.27} at LHC energies. Based on the obtained results, we discuss the approach of the interactions to the black body (unitarity) limit. We estimate the electromagnetic contribution to coherent pA diffraction and find that it dominates the coherent diffractive cross section on heavy nuclear targets in the RHIC and LHC kinematics.
dc.description18 pages, LaTeX, 1 table, 4 figures. This is the final version published in Phys. Lett. B 633 (2006) 245, with recent corrections published as Erratum in Phys. Lett. B 663 (2008) 456. The Erratum concerns Section 5 of the paper: we corrected the Lorentz factor for the calculation of the e.m. contribution and modified Fig.4
dc.identifierhttps://arxiv.org/abs/hep-ph/0505088
dc.identifierhttp://arxiv.org/abs/hep-ph/0505088
dc.identifierPhys.Lett.B633:245-252,2006; Phys.Lett.B663:456,2008
dc.identifierdoi:10.1016/j.physletb.2005.11.065 10.1016/j.physletb.2008.04.010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201280
dc.subjectHigh Energy Physics - Phenomenology
dc.titleProton-nucleus scattering and cross section fluctuations at RHIC and LHC
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