In-medium static quark potential from spectral functions on realistic HISQ ensembles

Parkar G, Bala D, Kaczmarek O, Larsen R, Mukherjee S, Petreczky P, Rothkopf A, Weber JH (2021)
arXiv:2111.15437.

Preprint | Englisch
 
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Autor*in
Parkar, Gaurang; Bala, DibyenduUniBi; Kaczmarek, OlafUniBi ; Larsen, Rasmus; Mukherjee, Swagato; Petreczky, Peter; Rothkopf, Alexander; Weber, Johannes Heinrich
Abstract / Bemerkung
We explore the interactions between a quark anti-quark pair in a thermal medium based on lattice QCD ensembles with Nf=2+1N_f = 2+1Nf​=2+1 dynamical HISQ flavors. Our dataset spans the phenomenologically relevant temperature range between T=140MeV-2GeV based on lattice sizes Nτ=10,12N_\tau=10,12Nτ​=10,12 and 161616, with an aspect ratio of Nσ/Nτ=4N_\sigma/N_\tau=4Nσ​/Nτ​=4. The peak position Ω\OmegaΩ and the width Γ\GammaΓ of the spectral function of Wilson-line correlators in Coulomb gauge is computed. We assess the information content in the correlation functions and deploy three complementary strategies to reconstruct spectral information: model fits, Padé approximation and the Bayesian BR method. Limitations of each approach are carefully assessed.
Erscheinungsjahr
2021
Zeitschriftentitel
arXiv:2111.15437
Page URI
https://pub.uni-bielefeld.de/record/2963705

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Parkar G, Bala D, Kaczmarek O, et al. In-medium static quark potential from spectral functions on realistic HISQ ensembles. arXiv:2111.15437. 2021.
Parkar, G., Bala, D., Kaczmarek, O., Larsen, R., Mukherjee, S., Petreczky, P., Rothkopf, A., et al. (2021). In-medium static quark potential from spectral functions on realistic HISQ ensembles. arXiv:2111.15437
Parkar, G., Bala, D., Kaczmarek, O., Larsen, R., Mukherjee, S., Petreczky, P., Rothkopf, A., and Weber, J. H. (2021). In-medium static quark potential from spectral functions on realistic HISQ ensembles. arXiv:2111.15437.
Parkar, G., et al., 2021. In-medium static quark potential from spectral functions on realistic HISQ ensembles. arXiv:2111.15437.
G. Parkar, et al., “In-medium static quark potential from spectral functions on realistic HISQ ensembles”, arXiv:2111.15437, 2021.
Parkar, G., Bala, D., Kaczmarek, O., Larsen, R., Mukherjee, S., Petreczky, P., Rothkopf, A., Weber, J.H.: In-medium static quark potential from spectral functions on realistic HISQ ensembles. arXiv:2111.15437. (2021).
Parkar, Gaurang, Bala, Dibyendu, Kaczmarek, Olaf, Larsen, Rasmus, Mukherjee, Swagato, Petreczky, Peter, Rothkopf, Alexander, and Weber, Johannes Heinrich. “In-medium static quark potential from spectral functions on realistic HISQ ensembles”. arXiv:2111.15437 (2021).

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arXiv: 2111.15437

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