Bulletin of the American Physical Society
2006 Division of Nuclear Physics Annual Meeting
Wednesday–Saturday, October 25–28, 2006; Nashville, Tennessee
Session 2WB: Pre-Meeting Workshop: Properties and Signatures of sQGP II |
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Sponsoring Units: DNP Chair: Charles Maguire, Vanderbilt University Room: Gaylord Opryland Bayou B |
Wednesday, October 25, 2006 2:00PM - 2:30PM |
2WB.00001: Charmonium Properties in the Deconfinement Phase from Lattice QCD Invited Speaker: Charmonium properties have been known as suitable probes to understand the nature of QGP generated by RHIC. Lattice QCD is a powerful first-principle framework to study them, and actually has been revealed quite nontrivial features for the charmonium spectrum above the critical temperature. In this talk, I review the recent progress on the lattice QCD development on charmonium spectrum, in particular, from the viewpoint of distinction between a compact bound state and quark-antiquark scattering state in the spectrum. [Preview Abstract] |
Wednesday, October 25, 2006 2:30PM - 3:00PM |
2WB.00002: $J/\psi$ production and interactions with the medium Invited Speaker: $J/\psi$ production provides a sensitive probe of the properties of the hot and dense medium created in high energy heavy ion collisions at RHIC. $J/\psi$ suppression due to Debye screening was long considered to be a leading signature of Quark Gluon Plasma formation. Recent theoretical studies suggest that such suppression can be compensated by recombination, or explain suppression by decreased feed-dowm from "melted" higher mass quarkonia, while $J/\psi$'s themselves remain unscreened. Measurement of $J/\psi$ production in nucleus-nucleus collisions at RHIC can clarify these questions. Baseline measurements in pp and dAu collisions can be used to distinguish cold nuclear matter effects. In this talk I will review recent results in this field from the PHENIX Experiment. [Preview Abstract] |
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