News from Lattice QCD on Heavy Quark Potentials and Spectral Functions of Heavy Quark States

Abstract

We discuss recent lattice results on in-medium properties of hadrons and focus on thermal properties of heavy quark bound states. We will clarify the relation between heavy quark free energies and potentials used to analyze the melting of heavy quark bound states. Furthermore, we present calculations of meson spectral functions which indicate that the charmonium ground states, J/psi and eta_c, persist in the quark gluon plasma as well defined resonances with no significant change of their zero temperature masses at least up to T ~ 1.5 T_c. We also briefly comment on the current status of lattice calculations at non-vanishing baryon number density.

arXiv commentPlenary talk at the 17th International Conference on Ultra Relativistic Nucleus-Nucleus Collisions (Quark Matter 2004), Oakland, California, 11-17 Jan 2004. Submitted to J.Phys.G

References in corpus (16)

• The QCD phase diagram for small densities from imaginary chemical potential
• Lattice determination of the critical point of QCD at finite T and μ
• The QCD thermal phase transition in the presence of a small chemical potential
• Hadron production in Au-Au collisions at RHIC
• $J/\psi$ and ${\eta }_c$ in the Deconfined Plasma from Lattice QCD
• Heavy Quark Anti-Quark Free Energy and the Renormalized Polyakov Loop
• Behavior of Charmonium Systems after Deconfinement
• The Equation of State for Two Flavor QCD at Non-zero Chemical Potential
• The Pressure in 2, 2+1 and 3 Flavour QCD
• Quarkonium Feed-Down and Sequential Suppression
• Thermodynamics at Non-Zero Baryon Number Density: A Comparison of Lattice and Hadron Resonance Gas Model Calculations
• Pressure and non-linear susceptibilities in QCD at finite chemical potentials
• The QCD equation of state at nonzero densities: lattice result
• Hadronic Spectral Functions in Lattice QCD
• Study of Charmonia near the deconfining transition on an anisotropic lattice with O(a) improved quark action
• Non-perturbative formulation of the static color octet potential

Cited by in corpus (17)

• The PHOBOS Perspective on Discoveries at RHIC
• Collective Flow signals the Quark Gluon Plasma
• Dynamical phase trajectories for relativistic nuclear collisions
• Open and hidden charm in proton-nucleus and heavy-ion collisions
• J/psi transport in QGP and Pt distribution at SPS and RHIC
• Gluon screening mass at finite temperature from Landau gauge gluon propagator in lattice QCD
• Signals of spinodal hadronization: strangeness trapping
• Charmonium properties in deconfinement phase in anisotropic lattice QCD
• Thermodynamic Properties of Strongly Interacting Matter at Non-zero Baryon Number Density
• QCD Thermodynamics on lattice
• Charmonium dynamics in nucleus-nucleus collisions at SPS and FAIR energies
• Hydrodynamic models
• Collective flow of open and hidden charm in Au+Au collisions at $\sqrt{s}$ = 200 GeV
• Nonequilibrium Models of Relativistic Heavy-Ion Collisions
• Charmonium dynamics in Au+Au collisions at sqrt(S)=200 GeV
• Consequences of energy conservation in relativistic heavy-ion collisions
• Charmonium properties at finite temperature on quenched anisotropic lattices