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Azimuthal asymmetry of J/Psi suppression in non-central heavy-ion collisions | Xin-Nian Wang
; Feng Yuan
; | Date: |
6 Feb 2002 | Journal: | Phys.Lett. B540 (2002) 62-67 | Subject: | nucl-th hep-ph | Abstract: | The azimuthal asymmetry of $J/psi$ suppression in non-central heavy-ion collisions is studied within a dynamic model of $J/psi$ suppression in a deconfined partonic medium. Within this model, $J/psi$ suppression in heavy-ion collisions is caused mainly by the initial state nuclear absorption and dissociation via gluon-$J/psi$ scattering in deconfined partonic medium. Only the second mechanism gives arise to azimuthal asymmetry of the final $J/psi$ 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 $J/psi$ at the RHIC energy. | Source: | arXiv, nucl-th/0202018 | Services: | Forum | Review | PDF | Favorites |
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