$J/\ensuremath{\Psi}$ production in ultraperipheral Pb+Pb and $p$+Pb collisions at energies available at the CERN Large Hadron Collider

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$J / Ψ$ production in ultraperipheral Pb+Pb and $p$ +Pb collisions at energies available at the CERN Large Hadron Collider

T. Lappi and H. Mäntysaari

Phys. Rev. C 87, 032201(R) – Published 25 March 2013

Abstract

We compute cross sections for incoherent and coherent diffractive $J / Ψ$ production in ultraperipheral nucleus-nucleus and proton-nucleus collisions using two different dipole models fitted to HERA data. We obtain a reasonably good description of the available ALICE data for coherent $J / Ψ$ production and present our prediction for the incoherent cross section. We also find that, while the normalization of the cross section depends quite strongly on the dipole model and vector meson wave function used, the rapidity dependence is very well constrained.

Received 23 January 2013

DOI:https://doi.org/10.1103/PhysRevC.87.032201

Authors & Affiliations

T. Lappi^1,2 and H. Mäntysaari¹

¹Department of Physics, P.O. Box 35, 40014 University of Jyväskylä, Finland
²Helsinki Institute of Physics, P.O. Box 64, 00014 University of Helsinki, Finland

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Vol. 87, Iss. 3 — March 2013

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Physical Review C

covering nuclear physics

$J / Ψ$ production in ultraperipheral Pb+Pb and $p$ +Pb collisions at energies available at the CERN Large Hadron Collider

T. Lappi and H. Mäntysaari

Phys. Rev. C 87, 032201(R) – Published 25 March 2013

Abstract

Authors & Affiliations

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Physical Review C

covering nuclear physics

J/Ψ production in ultraperipheral Pb+Pb and p+Pb collisions at energies available at the CERN Large Hadron Collider

T. Lappi and H. Mäntysaari

Phys. Rev. C 87, 032201(R) – Published 25 March 2013

Abstract

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$J / Ψ$ production in ultraperipheral Pb+Pb and $p$ +Pb collisions at energies available at the CERN Large Hadron Collider