Friday, February 6, 2009, 2:00 pm — Small Seminar Room, Bldg. 510
The properties of quarkonia in equilibrium QCD matter are studied
and put into context with observables in ultrarelativistic heavy-ion
collisions at SPS, RHIC and LHC. In the first part of the talk we
focus on applications of potential models utilizing input from
heavy-quark free energies computed in lattice-QCD. Applications to
Euclidean correlation functions (independently computed in lattice
QCD) currently exhibit a degeneracy of scenarios with small and large
J/psi dissociation temperatures, due to an interplay of in-medium
binding energies and heavy-quark masses. We also elaborate on the
impact of color screening on quarkonium dissociation mechanisms in
the Quark-GLuon Plasma.
In the second part of the talk we address the current status of the
phenomenology at SPS and RHIC, in particular the competition between
dissociation and regeneration mechanisms and which observables might
be most promising for discriminating them (including the LHC).
Hosted by: Gregory Soyez
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