Spectral properties of light and charm mesons from $N_f=2+1$ anisotropic lattice QCD
R. Quinn*, J. Glesaaen, A. Rothkopf and J.I. Skullerud
September 12, 2019
September 26, 2019
We compute temporal correlators and spectral functions for light, open charm and charmonium mesons in the pseudoscalar and vector channel for a range of temperatures below and above the deconfinement transition. The study is carried out using anisotropic lattice QCD with 2+1 dynamical flavours, $a_s=0.123\,$fm and $a_s/a_\tau=3.5$. The high-temperature results are benchmarked by comparing them to reconstructed correlators obtained by direct summation of the zero temperature correlator. We use two Bayesian methods to reconstruct the spectral functions: the maximum entropy method and the more recent BR method.
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