Jul 21 – 27, 2013
The University of Birmingham
GB timezone
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Semi-classical approach to J/psi suppression in high energy heavy-ion collisions

Jul 26, 2013, 3:20 PM
Arts Large Lecture Theatre - Room 120 (The University of Birmingham)

Arts Large Lecture Theatre - Room 120

The University of Birmingham

Birmingham B15 2TT United Kingdom


Mr Roland Katz (SUBATECH)


Quarkonia suppression in heavy ion collisions has been investigated as a probe to Quark-Gluon Plasma properties and was indeed observed at SPS. However, the saturation of the suppression observed at RHIC and then is decrease at LHC has triggered the interest of our community and leads to consider alternate schemes as those based on sequential suppression in a stationary medium. In our contribution, we study the evolution of a quark-antiquark pair in a cooling isotropic QGP medium. For this purpose we use two different approaches: a) the semi-classical evolution equation proposed by C. Young and E. Shuryak [1] and b) a quantum evolution equation of the open QQbar system, better suited to study the evolution of bound states. We consider for both approaches different color screening potentials, temperature scenarios at RHIC and LHC, charmonium and bottomonium bound states, and thermalisation processes. A comparison to previous results [1][2][3] is finally carried out. [1] C. Young and E. Shuryak, Phys. Rev. C 79, 034907 (2009) [2] Y. Akamatsu and A. Rothkopf, Phys.Rev. D85 (2012) 105011 [3] M. Strickland and D. Bazow, Nuclear Physics A 879, 25-58 (2012)

Primary authors

Roland Katz (Subatech) Mr Roland Katz (SUBATECH)


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