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Azimuthal asymmetry of J/Psi suppression in non-central heavy-ion collisions

Xin-Nian Wang·Feng Yuan
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Abstract

The azimuthal asymmetry of $J/ψ$ suppression in non-central heavy-ion collisions is studied within a dynamic model of $J/ψ$ suppression in a deconfined partonic medium. Within this model, $J/ψ$ suppression in heavy-ion collisions is caused mainly by the initial state nuclear absorption and dissociation via gluon-$J/ψ$ scattering in deconfined partonic medium. Only the second mechanism gives arise to azimuthal asymmetry of the final $J/ψ$ production. We demonstrate that if there is an onset of suppression by quark-gluon plasma (QGP) in the NA50 data, it must be accompanied by the non-vanishing azimuthal asymmetry. Using the same critical density above which the QGP effect enters, we predict the azimuthal asymmetric coefficient $v_2$ as well as the survival probability for $J/ψ$ at the RHIC energy.

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Xin-Nian Wang, Feng Yuan. 2002-07-09. Azimuthal asymmetry of J/Psi suppression in non-central heavy-ion collisions. https://doi.org/10.1016/s0370-2693(02)02121-4

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