Charmonium spectral functions in N_f=2 QCD at high temperature

Details Charmonium spectral functions in N_f=2 QCD at high temperature Charmonium spectral functions in N_f=2 QCD at high temperature

2006-10-10

arxiv.org/abs/hep-lat/0610065v1

PoS LAT2006:126,2006

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, talk presented at Lattice06 (High Temperature and Density), Tuscon, Arizon, July 2006

Scientific paper

Charmonium systems in two-flavour QCD at non-zero temperature are studied at, and above the deconfining transition. Using anisotropic lattices the MEM approach is used to extract spectral functions for these channels. By carefully varying some of the irrelevant parameters in the MEM procedure, we confirm that our systematic effects are under control. The eta_c and J/psi states are found to persist at temperatures >~ 1.3 T_c in agreement with our previous dynamical studies.

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