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Hyperons in Thermal QCD from the Lattice / Gert Aarts; Chris Allton; Davide De Boni; Jonas Glesaaen; Simon Hands; Benjamin J├Ąger; Jon-Ivar Skullerud

Springer Proceedings in Physics, Pages: 29 - 35

Swansea University Authors: Gert, Aarts, Chris, Allton, Davide, De Boni, Jonas, Glesaaen, Simon, Hands

  • Accepted Manuscript under embargo until: 4th October 2021

Abstract

We study the spectrum of light baryons and hyperons as a function of temperature using lattice gauge theory methods. We find that masses of positive parity states are temperature independent, within errors, in the hadronic phase. The negative parity states decrease in mass as the temperature increas...

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Published in: Springer Proceedings in Physics
ISBN: 9783030534479 9783030534486
ISSN: 0930-8989 1867-4941
Published: Cham Springer International Publishing 2020
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa53124
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Abstract: We study the spectrum of light baryons and hyperons as a function of temperature using lattice gauge theory methods. We find that masses of positive parity states are temperature independent, within errors, in the hadronic phase. The negative parity states decrease in mass as the temperature increases. Above the deconfining temperature, lattice correlators and spectral functions show a degeneracy between parity sectors, i.e. parity doubling. We apply our findings to an in-medium Hadron Resonance Gas model. The techniques used in this study include direct analysis of the hadronic correlation functions, conventional fitting procedures, and the Maximum Entropy Method.
College: College of Science
Start Page: 29
End Page: 35