Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
The static energy in 2+1+1-flavor QCD
S. Steinbeisser*, N. Brambilla, R.L. Delgado, A. Kronfeld, V. Leino, P. Petreczky, A. Vairo and J.H. Weber
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Pre-published on: May 16, 2022
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Abstract
We report on the status of the analysis of the static energy in $2+1+1$-flavor QCD.
The static energy is obtained by measuring Wilson line correlators in Coulomb gauge using the HISQ action, yielding the scales $r_{0}/a$, $r_{1}/a$, $r_{2}/a$, their ratios, and the string tension $\sigma r_{i}^{2}$.
We put emphasis on the possible effects due to the dynamical charm-quark by comparing the lattice results to continuum results of the static energy with and without a massive flavor at two-loop accuracy.
We employ gauge-field ensembles from the HotQCD and MILC Collaborations.
DOI: https://doi.org/10.22323/1.396.0521
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