Quarkonium in media

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Quarkonia can provide a valuable tool for studying matter produced in heavy ion (HI) collisions, in particular they can probe deconfinement. In order to use quarkonia as probes the following prerequsits are needed

1) Understanding of quarkonium properties in thermal QGP

2) Understanding of cold nuclear matter effetcs

3) Dynamical models to relate infromation from thermal QCD to experimanetal data

These issues will be discussed below.

Quarkonium properties and quarkonium spectral functions in finite temperature QCD

Color screening in high temperature QCD

One of the most important features of QGP is screening of color charges

Color screening in lattice QCD

Quarkonia properties at finite temperature : potential models, effective field theory, sum rules

Potential models

Resummed perturbative calculations

Sum rule approach

Spectral functions and lattice QCD

Introduction to spectral functions

Spectral functions of point current correlators

Correlators of extended meson operators

Cold Nuclear Matter (CNM) Effects on quarkonium production

General Remarks


Some experimental observations

Nuclear modification of the parton distribution functions (“shadowing”)

Initial state parton energy loss

Final state absorption

Models inspired by gluon satuartions and CNM effects

Quarkonium production in AA collisions

Mechanism of quarkonium production

NRQCD and color singlet model

Experimental results

Nuclear modification factor from SPS to RHIC

Dynamical models for quarkonium productions in HI collisions

Models based on sequential suppression

Models based on recombination of uncorrelated pairs

Models based on recombination of correlated pairs

Models based on heavy quark diffusion

Useful Links


Quarkonium Working Group (QWG)

RHIC II Science

QWG document 2010

Heavy quarkonium: progress, puzzles, and opportunities

Recent review articles

Heavy Flavor in heavy-ion collisions at RHIC and RHIC II (report from RHIC II Heavy Flavor Working Group by A. D. Frawley, T. Ullrich, R. Vogt)

Charmonium and bottomonium production in heavy-ion collisions (by R.Rapp, D.Blaschke, P.Crochet)

Quarkonium at Finite Temperature (by A. Bazavov, P. Petreczky, A. Velytsky)

Heavy Quarks in the Quark-Gluon Plasma (by R. Rapp and H. van Hees)

Upcoming meetings

Quarkonia in Deconfined Matter ( 28-30 September, 2011, Acitrezza, Italy)

International Workshop on Heavy Quarkonium 2011 ( 3 - 7 October, 2011, GSI)

Past meetings

Brookhaven Summer Program Quarkonium Production in Elementary and Heavy Ion Collisions ( 6-18 June 2011 at BNL)

Quarkonium production : Probing QCD at the LHC( 18 – 21 April, 2011 Vienna)

International Workshop on Heavy Quarkonium 2010 (May 18-21, 2010 at FERMILAB)

Quarkonia in hot matter : from QCD to experiment (CATHIE-INT program, June 16-26, 2009)

Heavy Quarkonia Production in Heavy-Ion Collisions (ECT* Trento (May 25-29, 2009)

Characterization of the Quark Gluon Plasma with Heavy Quarks