Heavy Quark Interactions and Quarkonium Binding

Abstract

We consider heavy quark interactions in quenched and unquenched lattice QCD. In a region just above the deconfinement point, non-Abelian gluon polarization leads to a strong increase in the binding. Comparing quark-antiquark and quark-quark interaction, the dependence of the binding on the separation distance $r$ is found to be the same for the colorless singlet $Q\bar{Q}$ and the colored anti-triplet $QQ$ state. In a potential model description of in-medium $J/\Psi$ behavior, this enhancement of the binding leads to a survival up to temperatures of 1.5 $T_c$ or higher; it could also result in $J/\Psi$ flow.

8 pages, 8 Figures; invited talk at "Strangeness in Quark Matter 2008", Beijing/China, to appear in the Proceedings

References in corpus (9)

• Real-time static potential in hot QCD
• Static quark-antiquark pairs at finite temperature
• Real and imaginary-time $Q\bar{Q}$ correlators in a thermal medium
• Renormalized Polyakov loops in many representations
• Heavy quarkonium in any channel in resummed hot QCD
• Color Screening and Quark-Quark Interactions in Finite Temperature QCD
• Quarkonia and Quark Drip Lines in Quark-Gluon Plasma
• Static potentials for quarkonia at finite temperatures
• Existence of mesons after deconfinement

Cited by in corpus (14)

• Charmonium and bottomonium production in heavy-ion collisions
• Static quark-antiquark potential in the quark-gluon plasma from lattice QCD
• Quarkonia and Heavy-Quark Relaxation Times in the Quark-Gluon Plasma
• Equation of State and Heavy-Quark Free Energy at Finite Temperature and Density in Two Flavor Lattice QCD with Wilson Quark Action
• Quarkonium at finite temperature: Towards realistic phenomenology from first principles
• Disentangling the timescales behind the non-perturbative heavy quark potential
• Complex heavy-quark potential and Debye mass in a gluonic medium from lattice QCD
• Quarkonium in-medium properties from realistic lattice NRQCD
• In-medium P-wave quarkonium from the complex lattice QCD potential
• Quarkonium Binding and Entropic Force
• Proper heavy-quark potential from a spectral decomposition of the thermal Wilson loop
• Temperature-dependent cross sections for meson-meson nonresonant reactions in hadronic matter
• Quarkonia and QGP studies
• In-medium heavy-quarkonium from lattice QCD spectral functions