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Singlets in gauge theories with fundamental matter

Ed Bennett Orcid Logo, Ho Hsiao Orcid Logo, Jong-Wan Lee Orcid Logo, Biagio Lucini Orcid Logo, Axel Maas Orcid Logo, Maurizio Piai Orcid Logo, Fabian Zierler Orcid Logo, Fabian Zierler

Physical Review D, Volume: 109, Issue: 3

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

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DOI (Published version): 10.1103/physrevd.109.034504

Abstract

We provide the first determination of the mass of the lightest flavor-singlet pseudoscalar and scalar bound states (mesons), in the Sp(4) Yang-Mills theory coupled to two flavors of fundamental fermions, using lattice methods. This theory has applications both to composite Higgs and strongly interac...

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Published in: Physical Review D
ISSN: 2470-0010 2470-0029
Published: American Physical Society (APS) 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa65228
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spelling 2024-04-10T09:46:29.6360581 v2 65228 2023-12-06 Singlets in gauge theories with fundamental matter 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 7eb526fdce1693fc0b79f33e74cc182d Fabian Zierler Fabian Zierler true false 2023-12-06 MACS We provide the first determination of the mass of the lightest flavor-singlet pseudoscalar and scalar bound states (mesons), in the Sp(4) Yang-Mills theory coupled to two flavors of fundamental fermions, using lattice methods. This theory has applications both to composite Higgs and strongly interacting dark matter scenarios. We find the singlets to have masses comparable to those of the light flavored states, which might have important implications for phenomenological models. We focus on regions of parameter space corresponding to a moderately heavy mass regime for the fermions. We compare the spectra we computed to existing and new results for SU(2) and SU(3) theories, uncovering an intriguing degree of commonality. As a by-product, in order to perform the aforementioned measurements, we implemented and tested, in the context of symplectic lattice gauge theories, several strategies for the treatment of disconnected-diagram contributions to two point correlation functions. These technical advances set the stage for future studies of the singlet sector in broader portions of parameter space of this and other lattice theories with a symplectic gauge group. Journal Article Physical Review D 109 3 American Physical Society (APS) 2470-0010 2470-0029 5 2 2024 2024-02-05 10.1103/physrevd.109.034504 COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University SU Library paid the OA fee (TA Institutional Deal) UKRI Science and Technology Facilities Council (STFC), Austrian Science Fund, ExaTEPP project, National Research Foundation of Korea (NRF) grant, IBS STRONG-DM (FG1) EP/V052489/1, EP/X017168/1. (MSIT) (NRF-2018R1C1B3001379), IBS-R018-D1, ST/P00055X/1, ST/T000813/1. 2024-04-10T09:46:29.6360581 2023-12-06T14:30:42.0611060 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ed Bennett 0000-0002-1678-6701 1 Ho Hsiao 0000-0002-8522-5190 2 Jong-Wan Lee 0000-0002-4616-2422 3 Biagio Lucini 0000-0001-8974-8266 4 Axel Maas 0000-0002-4621-2151 5 Maurizio Piai 0000-0002-2251-0111 6 Fabian Zierler 0000-0002-8670-4054 7 Fabian Zierler 8 65228__29966__5584be7d1d064c569976b32c3566da4f.pdf 65228.VOR.pdf 2024-04-10T09:43:59.7570883 Output 1027112 application/pdf Version of Record true Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. true eng https://creativecommons.org/licenses/by/4.0/ 222 Fabian Zierler fabian.zierler@swansea.ac.uk true 10.48550/arXiv.2304.07191 false
title Singlets in gauge theories with fundamental matter
spellingShingle Singlets in gauge theories with fundamental matter
Ed Bennett
Biagio Lucini
Maurizio Piai
Fabian Zierler
title_short Singlets in gauge theories with fundamental matter
title_full Singlets in gauge theories with fundamental matter
title_fullStr Singlets in gauge theories with fundamental matter
title_full_unstemmed Singlets in gauge theories with fundamental matter
title_sort Singlets in gauge theories with fundamental matter
author_id_str_mv e1a8e7927d2b093acdc54e74eac95e38
7e6fcfe060e07a351090e2a8aba363cf
3ce295f2c7cc318bac7da18f9989d8c3
7eb526fdce1693fc0b79f33e74cc182d
author_id_fullname_str_mv e1a8e7927d2b093acdc54e74eac95e38_***_Ed Bennett
7e6fcfe060e07a351090e2a8aba363cf_***_Biagio Lucini
3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
7eb526fdce1693fc0b79f33e74cc182d_***_Fabian Zierler
author Ed Bennett
Biagio Lucini
Maurizio Piai
Fabian Zierler
author2 Ed Bennett
Ho Hsiao
Jong-Wan Lee
Biagio Lucini
Axel Maas
Maurizio Piai
Fabian Zierler
Fabian Zierler
format Journal article
container_title Physical Review D
container_volume 109
container_issue 3
publishDate 2024
institution Swansea University
issn 2470-0010
2470-0029
doi_str_mv 10.1103/physrevd.109.034504
publisher American Physical Society (APS)
college_str Faculty of Science and Engineering
hierarchytype
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
document_store_str 1
active_str 0
description We provide the first determination of the mass of the lightest flavor-singlet pseudoscalar and scalar bound states (mesons), in the Sp(4) Yang-Mills theory coupled to two flavors of fundamental fermions, using lattice methods. This theory has applications both to composite Higgs and strongly interacting dark matter scenarios. We find the singlets to have masses comparable to those of the light flavored states, which might have important implications for phenomenological models. We focus on regions of parameter space corresponding to a moderately heavy mass regime for the fermions. We compare the spectra we computed to existing and new results for SU(2) and SU(3) theories, uncovering an intriguing degree of commonality. As a by-product, in order to perform the aforementioned measurements, we implemented and tested, in the context of symplectic lattice gauge theories, several strategies for the treatment of disconnected-diagram contributions to two point correlation functions. These technical advances set the stage for future studies of the singlet sector in broader portions of parameter space of this and other lattice theories with a symplectic gauge group.
published_date 2024-02-05T08:30:46Z
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score 11.048064

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