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Semi-classical approach to $J/\psi$ suppression in high energy heavy-ion collisions

Abstract : We study the heavy quark/antiquark pair dynamics in strongly-coupled quark gluon plasma. A semi-classical approach, based on the Wigner distribution and Langevin dynamics, is applied to a color screened $c{\bar c}$ pair, in a hydrodynamically cooling fireball, to evaluate the total $J/\psi$ suppression at both RHIC and LHC energies. Although its limitation is observed, this approach results to a $J/\psi$ suppression of around 0.30 at RHIC and 0.25 at LHC.
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http://hal.in2p3.fr/in2p3-00926277
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Submitted on : Thursday, January 9, 2014 - 12:47:13 PM
Last modification on : Thursday, January 30, 2020 - 3:30:33 PM

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R. Katz, Pol-Bernard Gossiaux. Semi-classical approach to $J/\psi$ suppression in high energy heavy-ion collisions. 14th International Conference on Strangeness in Quark Matter (SQM2013), Jul 2013, Birmingham, United Kingdom. pp.012095, ⟨10.1088/1742-6596/509/1/012095⟩. ⟨in2p3-00926277⟩

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