Quarkonium suppression in heavy-ion collisions from coherent energy loss in cold nuclear matter

Abstract : The effect of parton energy loss in cold nuclear matter on the suppression of quarkonia (J/psi, Upsilon) in heavy-ion collisions is investigated, by extrapolating a model based on coherent radiative energy loss recently shown to describe successfully J/psi and Upsilon suppression in proton-nucleus collisions. Model predictions in heavy-ion collisions at RHIC (Au-Au, Cu-Cu, and Cu-Au) and LHC (Pb-Pb) show a sizable suppression arising from the sole effect of energy loss in cold matter. This effect should thus be considered in order to get a reliable baseline for cold nuclear matter effects in quarkonium suppression in heavy-ion collisions, in view of disentangling hot from cold nuclear effects.
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Journal of High Energy Physics, Springer, 2014, 1410, pp.73. 〈10.1007/JHEP10(2014)073〉
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https://hal.archives-ouvertes.fr/hal-01178617
Contributeur : Virginie Malaval <>
Soumis le : lundi 20 juillet 2015 - 14:53:06
Dernière modification le : jeudi 10 mai 2018 - 01:58:50

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F. Arleo, S. Peigné. Quarkonium suppression in heavy-ion collisions from coherent energy loss in cold nuclear matter. Journal of High Energy Physics, Springer, 2014, 1410, pp.73. 〈10.1007/JHEP10(2014)073〉. 〈hal-01178617〉

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