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Chimera baryon spectrum in the Sp(4) completion of composite Higgs models

Ho Hsiao, Ed Bennett Orcid Logo, Deog Ki Hong, Jong-Wan Lee, C.-J. David Lin, Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo, Davide Vadacchino

Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023), Volume: 453

Swansea University Authors: Ed Bennett Orcid Logo, Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo

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DOI (Published version): 10.22323/1.453.0089

Abstract

In strongly coupled gauge theories that serve as completions of composite Higgs models, the fermionic bound states formed by fermions (hyperquarks) transforming in different representations, called chimera baryons, could serve as top partners, by embedding of the Standard Model appropriately. We rep...

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Published in: Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023)
ISSN: 1824-8039
Published: Trieste, Italy Sissa Medialab 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa65420
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We report our results on the spectrum of chimera baryons in the Sp(4) gauge theorywith hyperquarks transforming in fundamental and two-index antisymmetric representations. For this study, we adopt the quenched approximation. We investigate the mass hierarchy between the lightest chimera baryons with different quantum numbers, as a function of the lattice parameters. 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spelling v2 65420 2024-01-08 Chimera baryon spectrum in the Sp(4) completion of composite Higgs models e1a8e7927d2b093acdc54e74eac95e38 0000-0002-1678-6701 Ed Bennett Ed Bennett true false 7e6fcfe060e07a351090e2a8aba363cf 0000-0001-8974-8266 Biagio Lucini Biagio Lucini true false 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2024-01-08 MACS In strongly coupled gauge theories that serve as completions of composite Higgs models, the fermionic bound states formed by fermions (hyperquarks) transforming in different representations, called chimera baryons, could serve as top partners, by embedding of the Standard Model appropriately. We report our results on the spectrum of chimera baryons in the Sp(4) gauge theorywith hyperquarks transforming in fundamental and two-index antisymmetric representations. For this study, we adopt the quenched approximation. We investigate the mass hierarchy between the lightest chimera baryons with different quantum numbers, as a function of the lattice parameters. Inspired by baryon chiral effective field theory, and the Akaike Information Criterion,we perform a first extrapolation to the continuum and massless-hyperquark limit. Conference Paper/Proceeding/Abstract Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023) 453 Sissa Medialab Trieste, Italy 1824-8039 27 12 2023 2023-12-27 10.22323/1.453.0089 http://dx.doi.org/10.22323/1.453.0089 Research Data Access Statement:The results for Sp(4) are based on preliminary analysis. Further analysis and the data generated for this manuscript will be released together with an upcoming publication [17]. Alternatively, data and code can be obtained from the authors upon request. COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University Not Required The work of BLis further supported in part by the Royal Society Wolfson Research Merit Award WM170010 and by the Leverhulme Trust Research Fellowship No. RF-2020-4619. The work of DV is supported by STFC under Consolidated Grant No. ST/X000680/1. Numerical simulations have been performed on the Swansea University SUNBIRD cluster (part of the Supercomputing Wales project) and AccelerateAI A100 GPU system, on the local HPC clusters in Pusan National University (PNU) and in National Yang Ming Chiao Tung University (NYCU), and on the DiRAC Data Intensive service at Leicester. The Swansea University SUNBIRD system and AccelerateAI are part funded by the European Regional Development Fund (ERDF) via Welsh Government. The DiRAC Data Intensive service at Leicester is operated by the University of Leicester IT Services, which forms part of the STFC DiRAC HPC Facility (www.dirac.ac.uk). The DiRAC Data Intensive service equipment at Leicester was funded by BEIS capital funding via STFC capital grants ST/K000373/1 and ST/R002363/1 and STFC DiRAC Operations grant ST/R001014/1. DiRAC is part of the National e-Infrastructure. 2024-06-19T16:08:07.6709134 2024-01-08T08:48:13.4074306 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ho Hsiao 1 Ed Bennett 0000-0002-1678-6701 2 Deog Ki Hong 3 Jong-Wan Lee 4 C.-J. David Lin 5 Biagio Lucini 0000-0001-8974-8266 6 Maurizio Piai 0000-0002-2251-0111 7 Davide Vadacchino 8 65420__29398__c459e53e0bef4177b88a58e07d7af003.pdf LATTICE2023_089.pdf 2024-01-08T08:51:56.0814855 Output 723441 application/pdf Accepted Manuscript true Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. true eng https://creativecommons.org/licenses/by-nc-nd/4.0/ 227 Ed Bennett 0000-0002-1678-6701 E.J.Bennett@Swansea.ac.uk false
title Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
spellingShingle Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
Ed Bennett
Biagio Lucini
Maurizio Piai
title_short Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
title_full Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
title_fullStr Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
title_full_unstemmed Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
title_sort Chimera baryon spectrum in the Sp(4) completion of composite Higgs models
author_id_str_mv e1a8e7927d2b093acdc54e74eac95e38
7e6fcfe060e07a351090e2a8aba363cf
3ce295f2c7cc318bac7da18f9989d8c3
author_id_fullname_str_mv e1a8e7927d2b093acdc54e74eac95e38_***_Ed Bennett
7e6fcfe060e07a351090e2a8aba363cf_***_Biagio Lucini
3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
author Ed Bennett
Biagio Lucini
Maurizio Piai
author2 Ho Hsiao
Ed Bennett
Deog Ki Hong
Jong-Wan Lee
C.-J. David Lin
Biagio Lucini
Maurizio Piai
Davide Vadacchino
format Conference Paper/Proceeding/Abstract
container_title Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023)
container_volume 453
publishDate 2023
institution Swansea University
issn 1824-8039
doi_str_mv 10.22323/1.453.0089
publisher Sissa Medialab
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://dx.doi.org/10.22323/1.453.0089
document_store_str 1
active_str 0
description In strongly coupled gauge theories that serve as completions of composite Higgs models, the fermionic bound states formed by fermions (hyperquarks) transforming in different representations, called chimera baryons, could serve as top partners, by embedding of the Standard Model appropriately. We report our results on the spectrum of chimera baryons in the Sp(4) gauge theorywith hyperquarks transforming in fundamental and two-index antisymmetric representations. For this study, we adopt the quenched approximation. We investigate the mass hierarchy between the lightest chimera baryons with different quantum numbers, as a function of the lattice parameters. Inspired by baryon chiral effective field theory, and the Akaike Information Criterion,we perform a first extrapolation to the continuum and massless-hyperquark limit.
published_date 2023-12-27T16:08:06Z
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score 11.037603

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