Probing parity doubling in nucleons at high temperature

Aarts, Gert; Allton, Chris; Hands, Simon; Jaeger, Benjamin; Praki, Chrisanthi; Skullerud, Jon-Ivar

doi:10.22323/1.251.0183

Conference Paper/Proceeding/Abstract 562 views 59 downloads

Probing parity doubling in nucleons at high temperature

Gert Aarts

, Chris Allton

, Simon Hands, Benjamin Jaeger, Chrisanthi Praki, Jon-Ivar Skullerud

Proceedings of The 33rd International Symposium on Lattice Field Theory — PoS(LATTICE 2015), Volume: 251

Swansea University Authors: Gert Aarts , Chris Allton , Simon Hands, Benjamin Jaeger, Chrisanthi Praki

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DOI (Published version): 10.22323/1.251.0183

Abstract

The spectrum of nucleons and their parity partners is studied as a function of temperature spanning the deconfinement transition. We analyse our results using the correlation functions directly,exponential fits in the hadronic phase, and the Maximum Entropy Method. These techniques allindicate that...

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Published in:	Proceedings of The 33rd International Symposium on Lattice Field Theory — PoS(LATTICE 2015)
ISSN:	1824-8039
Published:	Trieste, Italy Sissa Medialab 2016
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We analyse our results using the correlation functions directly,exponential fits in the hadronic phase, and the Maximum Entropy Method. These techniques allindicate that there is degeneracy in the parity partners’ channels in the deconfined phase. Thisis in accordance with the expectation that there is parity doubling and chiral symmetry in thedeconfined phase. In the hadronic phase, we also find that the nucleon ground state is largely independent of temperature, whereas there are substantial temperature effects in the negative parity channel. 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We acknowledge the PRACE Grants 2011040469 and Pra05_1129, European Union Grant Agreement No. 238353 (ITN STRONGnet), the STFC grant ST/L000369/1, and All Souls College Oxford, HPC Wales, the Irish Centre for High-End Computing, the Leverhulme Trust, the Royal Society, STFC, and the Wolfson Foundation for support.</funders><lastEdited>2022-07-12T11:01:45.7208359</lastEdited><Created>2022-06-17T11:37:47.3993939</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Biosciences, Geography and Physics - Physics</level></path><authors><author><firstname>Gert</firstname><surname>Aarts</surname><orcid>0000-0002-6038-3782</orcid><order>1</order></author><author><firstname>Chris</firstname><surname>Allton</surname><orcid>0000-0003-0795-124X</orcid><order>2</order></author><author><firstname>Simon</firstname><surname>Hands</surname><order>3</order></author><author><firstname>Benjamin</firstname><surname>Jaeger</surname><orcid/><order>4</order></author><author><firstname>Chrisanthi</firstname><surname>Praki</surname><order>5</order></author><author><firstname>Jon-Ivar</firstname><surname>Skullerud</surname><order>6</order></author></authors><documents><document><filename>60265__24546__dfe9198392044018b9f37bbb58b3688f.pdf</filename><originalFilename>60265_VoR.pdf</originalFilename><uploaded>2022-07-12T10:59:34.7738784</uploaded><type>Output</type><contentLength>255987</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>Copyright owned by the author(s) under the terms of the Creative Commons Attribution NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>https://creativecommons.org/licenses/by-nc-nd/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling	2022-07-12T11:01:45.7208359 v2 60265 2022-06-17 Probing parity doubling in nucleons at high temperature 1ba0dad382dfe18348ec32fc65f3f3de 0000-0002-6038-3782 Gert Aarts Gert Aarts true false de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false b34293f7370adc1d2cac9b93717a61c7 Simon Hands Simon Hands true false 61634d6117888b1aaa9a6ef4f23cd7f9 Benjamin Jaeger Benjamin Jaeger true false 58a8c6cbf50b0e077ab4083d70125c5d Chrisanthi Praki Chrisanthi Praki true false 2022-06-17 SPH The spectrum of nucleons and their parity partners is studied as a function of temperature spanning the deconfinement transition. We analyse our results using the correlation functions directly,exponential fits in the hadronic phase, and the Maximum Entropy Method. These techniques allindicate that there is degeneracy in the parity partners’ channels in the deconfined phase. Thisis in accordance with the expectation that there is parity doubling and chiral symmetry in thedeconfined phase. In the hadronic phase, we also find that the nucleon ground state is largely independent of temperature, whereas there are substantial temperature effects in the negative parity channel. All results are obtained using our FASTSUM 2+1 flavour ensembles. Conference Paper/Proceeding/Abstract Proceedings of The 33rd International Symposium on Lattice Field Theory — PoS(LATTICE 2015) 251 Sissa Medialab Trieste, Italy 1824-8039 15 7 2016 2016-07-15 10.22323/1.251.0183 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University This work used the DiRAC BlueGene/Q Shared Petaflop system at the University of Edinburgh, operated by the Edinburgh Parallel Computing Centre on behalf of the STFC DiRAC HPC Facility (www.dirac.ac.uk). This equipment was funded by BIS National E-infrastructure capital grant ST/K000411/1, STFC capital grant ST/H008845/1, and STFC DiRAC Operations grants ST/K005804/1 and ST/K005790/1. DiRAC is part of the National E-Infrastructure. We acknowledge the PRACE Grants 2011040469 and Pra05_1129, European Union Grant Agreement No. 238353 (ITN STRONGnet), the STFC grant ST/L000369/1, and All Souls College Oxford, HPC Wales, the Irish Centre for High-End Computing, the Leverhulme Trust, the Royal Society, STFC, and the Wolfson Foundation for support. 2022-07-12T11:01:45.7208359 2022-06-17T11:37:47.3993939 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 Simon Hands 3 Benjamin Jaeger 4 Chrisanthi Praki 5 Jon-Ivar Skullerud 6 60265__24546__dfe9198392044018b9f37bbb58b3688f.pdf 60265_VoR.pdf 2022-07-12T10:59:34.7738784 Output 255987 application/pdf Version of Record true Copyright owned by the author(s) under the terms of the Creative Commons Attribution NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title	Probing parity doubling in nucleons at high temperature
spellingShingle	Probing parity doubling in nucleons at high temperature Gert Aarts Chris Allton Simon Hands Benjamin Jaeger Chrisanthi Praki
title_short	Probing parity doubling in nucleons at high temperature
title_full	Probing parity doubling in nucleons at high temperature
title_fullStr	Probing parity doubling in nucleons at high temperature
title_full_unstemmed	Probing parity doubling in nucleons at high temperature
title_sort	Probing parity doubling in nucleons at high temperature
author_id_str_mv	1ba0dad382dfe18348ec32fc65f3f3de de706a260fa1e1e47430693e135f41c7 b34293f7370adc1d2cac9b93717a61c7 61634d6117888b1aaa9a6ef4f23cd7f9 58a8c6cbf50b0e077ab4083d70125c5d
author_id_fullname_str_mv	1ba0dad382dfe18348ec32fc65f3f3de_*_Gert Aarts de706a260fa1e1e47430693e135f41c7__Chris Allton b34293f7370adc1d2cac9b93717a61c7__Simon Hands 61634d6117888b1aaa9a6ef4f23cd7f9__Benjamin Jaeger 58a8c6cbf50b0e077ab4083d70125c5d_**_Chrisanthi Praki
author	Gert Aarts Chris Allton Simon Hands Benjamin Jaeger Chrisanthi Praki
author2	Gert Aarts Chris Allton Simon Hands Benjamin Jaeger Chrisanthi Praki Jon-Ivar Skullerud
format	Conference Paper/Proceeding/Abstract
container_title	Proceedings of The 33rd International Symposium on Lattice Field Theory — PoS(LATTICE 2015)
container_volume	251
publishDate	2016
institution	Swansea University
issn	1824-8039
doi_str_mv	10.22323/1.251.0183
publisher	Sissa Medialab
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department_str	School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
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description	The spectrum of nucleons and their parity partners is studied as a function of temperature spanning the deconfinement transition. We analyse our results using the correlation functions directly,exponential fits in the hadronic phase, and the Maximum Entropy Method. These techniques allindicate that there is degeneracy in the parity partners’ channels in the deconfined phase. Thisis in accordance with the expectation that there is parity doubling and chiral symmetry in thedeconfined phase. In the hadronic phase, we also find that the nucleon ground state is largely independent of temperature, whereas there are substantial temperature effects in the negative parity channel. All results are obtained using our FASTSUM 2+1 flavour ensembles.
published_date	2016-07-15T04:18:14Z
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score	11.037056

Probing parity doubling in nucleons at high temperature

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