Abstract
The effect of parton energy loss in cold nuclear matter on the suppression of quarkonia (J/ψ, ϒ) in heavy-ion collisions is investigated, by extrapolating a model based on coherent radiative energy loss recently shown to describe successfully J/ψ and ϒ 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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Arleo, F., Peigné, S. Quarkonium suppression in heavy-ion collisions from coherent energy loss in cold nuclear matter. J. High Energ. Phys. 2014, 73 (2014). https://doi.org/10.1007/JHEP10(2014)073
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DOI: https://doi.org/10.1007/JHEP10(2014)073