Conference Paper/Proceeding/Abstract 677 views 90 downloads
Hyperons in Thermal QCD from the Lattice
Springer Proceedings in Physics, Volume: 250, Pages: 29 - 35
Swansea University Authors: Gert Aarts , Chris Allton , Davide De Boni, Jonas Glesaaen , Simon Hands
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DOI (Published version): 10.1007/978-3-030-53448-6_4
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...
Published in: | Springer Proceedings in Physics |
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ISBN: | 9783030534479 9783030534486 |
ISSN: | 0930-8989 1867-4941 |
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Springer International Publishing
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa53124 |
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2022-06-14T16:25:12.7714822 v2 53124 2020-01-07 Hyperons in Thermal QCD from the Lattice 1ba0dad382dfe18348ec32fc65f3f3de 0000-0002-6038-3782 Gert Aarts Gert Aarts true false de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 7526a40d13a3c8f6c6a27d0e6f10ef5c Davide De Boni Davide De Boni true false 51fe9facda6c4c34c27aa5bed0c96c6b 0000-0003-2257-8869 Jonas Glesaaen Jonas Glesaaen true false b34293f7370adc1d2cac9b93717a61c7 Simon Hands Simon Hands true false 2020-01-07 SPH 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. Conference Paper/Proceeding/Abstract Springer Proceedings in Physics 250 29 35 Springer International Publishing Cham 9783030534479 9783030534486 0930-8989 1867-4941 4 10 2020 2020-10-04 10.1007/978-3-030-53448-6_4 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University We acknowledge PRACE for awarding us access to Marconi at CINECA, Italy. This work used the STFC DiRAC Blue Gene Q system at the University of Edinburgh, U.K. We have been supported by the STFC grant ST/P00055X/1, and the Swansea Academy for Advanced Computing. 2022-06-14T16:25:12.7714822 2020-01-07T09:53:52.8544986 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Gert Aarts 0000-0002-6038-3782 1 Chris Allton 0000-0003-0795-124X 2 Davide De Boni 3 Jonas Glesaaen 0000-0003-2257-8869 4 Simon Hands 5 Benjamin Jäger 6 Jon-Ivar Skullerud 7 53124__16211__e80c8d95e21b48c887492ed370600a9e.pdf 1911.01449-2.pdf 2020-01-07T09:57:04.2839401 Output 712723 application/pdf Accepted Manuscript true 2021-10-04T00:00:00.0000000 true English |
title |
Hyperons in Thermal QCD from the Lattice |
spellingShingle |
Hyperons in Thermal QCD from the Lattice Gert Aarts Chris Allton Davide De Boni Jonas Glesaaen Simon Hands |
title_short |
Hyperons in Thermal QCD from the Lattice |
title_full |
Hyperons in Thermal QCD from the Lattice |
title_fullStr |
Hyperons in Thermal QCD from the Lattice |
title_full_unstemmed |
Hyperons in Thermal QCD from the Lattice |
title_sort |
Hyperons in Thermal QCD from the Lattice |
author_id_str_mv |
1ba0dad382dfe18348ec32fc65f3f3de de706a260fa1e1e47430693e135f41c7 7526a40d13a3c8f6c6a27d0e6f10ef5c 51fe9facda6c4c34c27aa5bed0c96c6b b34293f7370adc1d2cac9b93717a61c7 |
author_id_fullname_str_mv |
1ba0dad382dfe18348ec32fc65f3f3de_***_Gert Aarts de706a260fa1e1e47430693e135f41c7_***_Chris Allton 7526a40d13a3c8f6c6a27d0e6f10ef5c_***_Davide De Boni 51fe9facda6c4c34c27aa5bed0c96c6b_***_Jonas Glesaaen b34293f7370adc1d2cac9b93717a61c7_***_Simon Hands |
author |
Gert Aarts Chris Allton Davide De Boni Jonas Glesaaen Simon Hands |
author2 |
Gert Aarts Chris Allton Davide De Boni Jonas Glesaaen Simon Hands Benjamin Jäger Jon-Ivar Skullerud |
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Conference Paper/Proceeding/Abstract |
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Springer Proceedings in Physics |
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250 |
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10.1007/978-3-030-53448-6_4 |
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Springer International Publishing |
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Faculty of Science and Engineering |
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description |
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. |
published_date |
2020-10-04T04:05:57Z |
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1763753441135427584 |
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11.016235 |