Charmonium at high temperature in two-flavor QCD

Abstract

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/psi and eta_c) survive up to temperatures close to 2Tc, while the P-waves (chi_c0 and chi_c1) melt away below 1.2Tc.

11 pages, 19 figures. v2: expanded discussion and modified conclusions. One figure changed. To appear in PRD

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