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Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories

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

Physical Review D, Volume: 109, Issue: 9

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

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DOI (Published version): 10.1103/physrevd.109.094517

Abstract

We report the findings of our extensive study of the spectra of flavoured mesons in lattice gauge theories with symplectic gauge group and fermion matter content treated in the quenched approxi- mation. For the Sp(4), Sp(6), and Sp(8) gauge groups, the (Dirac) fermions transform in either the fundam...

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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/cronfa66071
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spelling v2 66071 2024-04-17 Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories 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 2024-04-17 MACS We report the findings of our extensive study of the spectra of flavoured mesons in lattice gauge theories with symplectic gauge group and fermion matter content treated in the quenched approxi- mation. For the Sp(4), Sp(6), and Sp(8) gauge groups, the (Dirac) fermions transform in either the fundamental, or the 2-index, antisymmetric or symmetric, representations. This study sets the stage for future precision calculations with dynamical fermions in the low mass region of lattice parame- ter space. Our results have potential phenomenological applications ranging from composite Higgs models, to top (partial) compositeness, to dark matter models with composite, strong-coupling dy- namical origin. Having adopted the Wilson flow as a scale-setting procedure, we apply Wilson chiral perturbation theory to extract the continuum and massless limits for the observables of interest. The resulting measurements are used to perform a simplified extrapolation to the large-N limit, hence drawing a preliminary connection with gauge theories with unitary groups. We conclude with a brief discussion of the Weinberg sum rules. Journal Article Physical Review D 109 9 American Physical Society (APS) 2470-0010 2470-0029 29 5 2024 2024-05-29 10.1103/physrevd.109.094517 COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University SU Library paid the OA fee (TA Institutional Deal) Funded by SCOAP3. 2024-06-26T17:21:10.8742942 2024-04-17T07:56:18.1865173 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ed Bennett 0000-0002-1678-6701 1 Jack Holligan 0000-0001-6043-0262 2 Deog Ki Hong 0000-0002-3923-4184 3 Jong-Wan Lee 0000-0002-4616-2422 4 C.-J. David Lin 0000-0003-3743-0840 5 Biagio Lucini 0000-0001-8974-8266 6 Maurizio Piai 0000-0002-2251-0111 7 Davide Vadacchino 0000-0002-5783-5602 8 66071__30765__b06b529d81274c2d83334a3865b59299.pdf 66071.VoR.pdf 2024-06-26T17:19:23.2953267 Output 5558079 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/ 243 Ed Bennett 0000-0002-1678-6701 e.j.bennett@swansea.ac.uk true 10.5281/zenodo.10932403. false 244 Ed Bennett 0000-0002-1678-6701 e.j.bennett@swansea.ac.uk true 10.5281/zenodo.10932407. false
title Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
spellingShingle Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
Ed Bennett
Biagio Lucini
Maurizio Piai
title_short Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
title_full Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
title_fullStr Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
title_full_unstemmed Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
title_sort Spectrum of mesons in quenched ⁢⁡(2⁢) gauge theories
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 Ed Bennett
Jack Holligan
Deog Ki Hong
Jong-Wan Lee
C.-J. David Lin
Biagio Lucini
Maurizio Piai
Davide Vadacchino
format Journal article
container_title Physical Review D
container_volume 109
container_issue 9
publishDate 2024
institution Swansea University
issn 2470-0010
2470-0029
doi_str_mv 10.1103/physrevd.109.094517
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 report the findings of our extensive study of the spectra of flavoured mesons in lattice gauge theories with symplectic gauge group and fermion matter content treated in the quenched approxi- mation. For the Sp(4), Sp(6), and Sp(8) gauge groups, the (Dirac) fermions transform in either the fundamental, or the 2-index, antisymmetric or symmetric, representations. This study sets the stage for future precision calculations with dynamical fermions in the low mass region of lattice parame- ter space. Our results have potential phenomenological applications ranging from composite Higgs models, to top (partial) compositeness, to dark matter models with composite, strong-coupling dy- namical origin. Having adopted the Wilson flow as a scale-setting procedure, we apply Wilson chiral perturbation theory to extract the continuum and massless limits for the observables of interest. The resulting measurements are used to perform a simplified extrapolation to the large-N limit, hence drawing a preliminary connection with gauge theories with unitary groups. We conclude with a brief discussion of the Weinberg sum rules.
published_date 2024-05-29T17:21:09Z
_version_ 1802941360717692928
score 11.037056

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