# Production of one or two vector mesons in peripheral high-energy collisions of heavy ions

ArticleinPhysical Review C 86(4) · June 2012with3 Reads
Impact Factor: 3.73 · DOI: 10.1103/PhysRevC.86.045203 · Source: arXiv
Abstract

We study the production of spin-one mesons in high-energy heavy-ion collisions with peripheral kinematics in the framework of quantum electrodynamics (QED). The cross sections of the production of a single vector meson and of two different ones are presented. The explicit dependence on the virtuality of the intermediate vector meson is obtained within a quark model. The effect of Reggeization of the intermediate vector-meson state in the case of the production of two vector mesons is taken into account.

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• ##### Coherent photoproduction of ψ and Υ mesons in ultraperipheral pPb and PbPb collisions at the CERN Large Hadron Collider at √sNN=5 TeV and √sNN=2.76 TeV
[Hide abstract] ABSTRACT: Exclusive photoproduction of vector mesons in the perturbative two-gluon exchange formalism depends significantly on nucleon and nuclear gluon distributions. In the present study we calculate total cross sections and rapidity distributions of J/ψ(1s), ψ(2s), Υ(1s), Υ(2s), and Υ(3s) in ultraperipheral proton-lead (pPb) and lead-lead (PbPb) collisions at the CERN Large Hadron Collider (LHC) at √sNN=5 TeV and √sNN=2.76 TeV, respectively. Effects of gluon shadowing are investigated and potentials for constraining nuclear gluon modifications are discussed.
No preview · Article · Feb 2013 · Physical Review C

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