Charmonium spectral functions in two-flavour QCD
G. Aarts, C. R. Allton, R. Morrin, A. O. Cais, M. B. Oktay, M. J., Peardon, J. I. Skullerud
TL;DR
This study investigates charmonium spectral functions in two-flavour QCD using lattice simulations and the maximum entropy method, revealing the temperature-dependent survival of different charmonium states.
Contribution
First lattice QCD study to analyze charmonium spectral functions with anisotropic lattices and maximum entropy method for two-flavour QCD.
Findings
S-wave states (J/psi, eta_c) survive up to nearly 2T_c
P-wave states (chi_c0, chi_c1) melt below 1.3T_c
Spectral functions provide insight into quarkonium dissociation temperatures.
Abstract
We compute charmonium spectral functions in 2-flavour QCD using the maximum entropy method and anisotropic lattices. We find that the S-waves (J/psi and eta_c) survive up to temperatures close to 2T_c, while the P-waves (chi_c0 and chi_c1) melt away below 1.3T_c.
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