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Charmonium at high temperature in two-flavor QCD Gert Aarts,1
 

Summary: Charmonium at high temperature in two-flavor QCD
Gert Aarts,1
Chris Allton,1
Mehmet Bugrahan Oktay,2
Mike Peardon,2
and Jon-Ivar Skullerud2,*
1
Department of Physics, Swansea University, Singleton Park, Swansea SA2 8PP, Wales, United Kingdom
2
School of Mathematics, Trinity College, Dublin 2, Ireland
(Received 15 May 2007; published 28 November 2007)
We compute charmonium spectral functions in 2-flavor QCD on anisotropic lattices using the
maximum entropy method. Our results suggest that the S-waves (J= and c) survive up to temperatures
close to 2Tc, while the P-waves (c0 and c1) melt away below 1:2Tc.
DOI: 10.1103/PhysRevD.76.094513 PACS numbers: 12.38.Gc, 14.40.Gx, 25.75.Nq
I. INTRODUCTION
The properties of hadrons or hadronic resonances above
the deconfinement transition is a subject at the heart of the
current experimental program at the Relativistic Heavy-Ion
Collider (RHIC). Questions of interest include the issue of

  

Source: Aarts, Gert - Department of Physics, University of Wales Swansea

 

Collections: Physics