Quarkonium Suppression from Coherent Energy Loss in Fixed-Target Experiments Using LHC Beams-Reference-Cited by-同舟云学术

Quarkonium Suppression from Coherent Energy Loss in Fixed-Target Experiments Using LHC Beams

Published:2015 Issue: Volume:2015 Page:1-6
ISSN:1687-7357
Container-title:Advances in High Energy Physics
language:en
Short-container-title:Advances in High Energy Physics

Author:

Arleo François¹,Peigné Stéphane²

Affiliation:

1. Laboratoire Leprince-Ringuet (LLR), École Polytechnique, CNRS/IN2P3, 91128 Palaiseau, France

2. SUBATECH, UMR 6457, Université de Nantes, Ecole des Mines de Nantes, IN2P3/CNRS, 4 rue Alfred Kastler, 44307 Nantes Cedex 3, France

Abstract

Quarkonium production in proton-nucleus collisions is a powerful tool to disentangle cold nuclear matter effects. A model based on coherent energy loss is able to explain the available quarkonium suppression data in a broad range of rapidities, from fixed-target to collider energies, suggesting coherent energy loss in cold nuclear matter to be the dominant effect in quarkonium suppression in p-A collisions. This could be further tested in a high-energy fixed-target experiment using a proton or nucleus beam. The nuclear modification factors ofJ/ψandΥas a function of rapidity are computed in p-A collisions ats=114.6 GeV, and in p-Pb and Pb-Pb collisions ats=72 GeV. These center-of-mass energies correspond to the collision on fixed-target nuclei of 7 TeV protons and 2.76 TeV (per nucleon) lead nuclei available at the LHC.

Publisher

Hindawi Limited

Subject

Nuclear and High Energy Physics

Link

http://downloads.hindawi.com/journals/ahep/2015/961951.pdf

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