We report first results for spectral functions of charmonium in 2-flavour QCD. The spectral functions are determined from vector and pseudoscalar correlators on a dynamical, anisotropic lattice. J/psi and eta_c are found to survive well into the deconfined phase before melting away at T<~2T_c. Current systematic uncertainties prevent us from drawing any definite conclusions at this stage.
@article{arxiv.hep-lat/0511028,
title = {Mesons at high temperature in Nf=2 QCD},
author = {Gert Aarts and Chris Allton and Richie Morrin and Alan O Cais and Mehmet Bugrahan Oktay and Mike Peardon and Jon-Ivar Skullerud},
journal= {arXiv preprint arXiv:hep-lat/0511028},
year = {2011}
}
Comments
4 pages, 4 figures, to appear in proceedings of Computational Hadron Physics, Nicosia, 14-17 Sep 2005