Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice

Aoki, Yasumichi; Aoyama, Tatsumi; Bennett, Ed; Maskawa, Toshihide; Miura, Kohtaroh; Ohki, Hiroshi; Rinaldi, Enrico; Shibata, Akihiro; Yamawaki, Koichi; Yamazaki, Takeshi; Collaboration), (LatKMI

doi:10.1103/vnml-g6nx

Journal article 113 views 5 downloads

Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice

Yasumichi Aoki

, Tatsumi Aoyama, Ed Bennett

, Toshihide Maskawa, Kohtaroh Miura

, Hiroshi Ohki, Enrico Rinaldi

, Akihiro Shibata, Koichi Yamawaki, Takeshi Yamazaki, (LatKMI Collaboration)

Physical Review D, Volume: 112, Issue: 11

Swansea University Author: Ed Bennett

PDF | Version of Record

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.
Download (3.35MB)

Check full text

DOI (Published version): 10.1103/vnml-g6nx

Abstract

SU(3) gauge theories with an increasing number of light fermions are the templates of strongly interacting sectors and studying their low-energy dynamics and spectrum is important, both forunderstanding the strong dynamics of QCD itself, and for discovering viable UV completions ofbeyond the Standar...

Full description

Published in:	Physical Review D
ISSN:	2470-0010 2470-0029
Published:	American Physical Society (APS) 2025
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa70956

first_indexed	2025-11-21T10:48:50Z
last_indexed	2026-01-13T05:32:07Z
id	cronfa70956
recordtype	SURis
fullrecord	<?xml version="1.0"?><rfc1807 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><datestamp>2026-01-12T21:17:41.8823825</datestamp><bib-version>v2</bib-version><id>70956</id><entry>2025-11-21</entry><title>Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice</title><swanseaauthors><author><sid>e1a8e7927d2b093acdc54e74eac95e38</sid><ORCID>0000-0002-1678-6701</ORCID><firstname>Ed</firstname><surname>Bennett</surname><name>Ed Bennett</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2025-11-21</date><deptcode>MACS</deptcode><abstract>SU(3) gauge theories with an increasing number of light fermions are the templates of strongly interacting sectors and studying their low-energy dynamics and spectrum is important, both forunderstanding the strong dynamics of QCD itself, and for discovering viable UV completions ofbeyond the Standard Model physics. In order to contrast many-flavor strongly interacting theories with QCD on a quantitative footing, we use lattice field theory simulations. We focus on the study of the flavor-singlet spectrum in the scalar and pseudoscalar channels: This is an interesting probe of thedynamics of the strongly interacting sector, as reminded by the QCD case with the f0(500) (σ) and η'mesons. The hierarchy of the spectrum of a strongly coupled new gauge sector of the Standard Modeldefines the potential reach of future colliders for new physics discoveries. In addition to a novel hierarchy with light scalars, introducing many light flavors at fixed number of colors can influence the dynamics of the lightest flavor-singlet pseudoscalar. We present a complete lattice study of both of these flavor-singlet channels on high-statistics gauge ensembles generated by the LatKMI Collaboration with 4, 8, and 12 copies of light mass-degenerate fermions. We also present other hadron masses on the lightest ensemble for Nf = 8 generated by the LatKMI Collaboration and discuss the chiral extrapolation of the spectrum in this particular theory. We contrast the results to Nf = 4 simulations and previous results of Nf = 12 simulations.</abstract><type>Journal Article</type><journal>Physical Review D</journal><volume>112</volume><journalNumber>11</journalNumber><paginationStart/><paginationEnd/><publisher>American Physical Society (APS)</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2470-0010</issnPrint><issnElectronic>2470-0029</issnElectronic><keywords/><publishedDay>3</publishedDay><publishedMonth>12</publishedMonth><publishedYear>2025</publishedYear><publishedDate>2025-12-03</publishedDate><doi>10.1103/vnml-g6nx</doi><url/><notes/><college>COLLEGE NANME</college><department>Mathematics and Computer Science School</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>MACS</DepartmentCode><institution>Swansea University</institution><apcterm>Not Required</apcterm><funders>This work is supported by the JSPS Grants-in-Aid for Scientific Research (S) Grants No. 22224003, (C) No. 16K05320 (Y. A.) for Young Scientists (A) No. 16H06002 (T. Y.), (B) No. 25800138 (T. Y.), (B) No. 25800139 (H. O.), and (B) No. 15K17644 (K. M.). E. B. acknowledges the support of the UKRI Science and Technology Facilities Council Research Software Engineering Fellowship No. EP/V052489/1, the EPSRC ExCALIBUR program ExaTEPP (Project No. EP/X017168/1), the STFC Consolidated Grant No. ST/T000813/1, and the Supercomputing Wales program, which is partially funded by the European Regional Development Fund via the Welsh Government. K. M. is supported by the OCEVU Labex (Grant No. ANR-11-LABX-0060) and the A*MIDEX project (Grant No. ANR11-IDEX-0001-02) funded by the “Investissements d’Avenir” French government program and managed by the ANR. H. O. is supported in part by the JSPS KAKENHI (Grants No. 21K03554 and No. 22H00138). T. Y. is supported in part by Grants-in-Aid for Scientific Research (Grants No. 19H01892, No. 23H01195, and No, 23K25891) and MEXT as “Program for Promoting Researches on the Supercomputer Fugaku” Grant No. JPMXP1020230409. This work is supported by the Japan Lattice Data Grid constructed over the Science Information NETwork 6 of NII.</funders><projectreference/><lastEdited>2026-01-12T21:17:41.8823825</lastEdited><Created>2025-11-21T10:37:14.8838609</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Mathematics and Computer Science - Mathematics</level></path><authors><author><firstname>Yasumichi</firstname><surname>Aoki</surname><orcid>0000-0003-4096-8836</orcid><order>1</order></author><author><firstname>Tatsumi</firstname><surname>Aoyama</surname><order>2</order></author><author><firstname>Ed</firstname><surname>Bennett</surname><orcid>0000-0002-1678-6701</orcid><order>3</order></author><author><firstname>Toshihide</firstname><surname>Maskawa</surname><order>4</order></author><author><firstname>Kohtaroh</firstname><surname>Miura</surname><orcid>0000-0002-6975-0446</orcid><order>5</order></author><author><firstname>Hiroshi</firstname><surname>Ohki</surname><order>6</order></author><author><firstname>Enrico</firstname><surname>Rinaldi</surname><orcid>0000-0003-4134-809x</orcid><order>7</order></author><author><firstname>Akihiro</firstname><surname>Shibata</surname><order>8</order></author><author><firstname>Koichi</firstname><surname>Yamawaki</surname><order>9</order></author><author><firstname>Takeshi</firstname><surname>Yamazaki</surname><order>10</order></author><author><firstname>(LatKMI</firstname><surname>Collaboration)</surname><order>11</order></author></authors><documents><document><filename>70956__35967__91abcafa19f844b5aa059979a082a2f8.pdf</filename><originalFilename>70956.VoR.pdf</originalFilename><uploaded>2026-01-12T21:15:21.7519434</uploaded><type>Output</type><contentLength>3513803</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>https://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs><OutputDur><Id>342</Id><DataControllerName>Ed Bennett</DataControllerName><DataControllerOrcid>0000-0002-1678-6701</DataControllerOrcid><DataControllerEmail>e.j.bennett@swansea.ac.uk</DataControllerEmail><IsDataAvailableOnline>true</IsDataAvailableOnline><DataNotAvailableOnlineReasonId xsi:nil="true"/><DurUrl>https://doi.org/10.5281/zenodo.17037868</DurUrl><IsDurRestrictions>false</IsDurRestrictions><DurRestrictionReasonId xsi:nil="true"/><DurEmbargoDate xsi:nil="true"/></OutputDur></OutputDurs></rfc1807>
spelling	2026-01-12T21:17:41.8823825 v2 70956 2025-11-21 Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice e1a8e7927d2b093acdc54e74eac95e38 0000-0002-1678-6701 Ed Bennett Ed Bennett true false 2025-11-21 MACS SU(3) gauge theories with an increasing number of light fermions are the templates of strongly interacting sectors and studying their low-energy dynamics and spectrum is important, both forunderstanding the strong dynamics of QCD itself, and for discovering viable UV completions ofbeyond the Standard Model physics. In order to contrast many-flavor strongly interacting theories with QCD on a quantitative footing, we use lattice field theory simulations. We focus on the study of the flavor-singlet spectrum in the scalar and pseudoscalar channels: This is an interesting probe of thedynamics of the strongly interacting sector, as reminded by the QCD case with the f0(500) (σ) and η'mesons. The hierarchy of the spectrum of a strongly coupled new gauge sector of the Standard Modeldefines the potential reach of future colliders for new physics discoveries. In addition to a novel hierarchy with light scalars, introducing many light flavors at fixed number of colors can influence the dynamics of the lightest flavor-singlet pseudoscalar. We present a complete lattice study of both of these flavor-singlet channels on high-statistics gauge ensembles generated by the LatKMI Collaboration with 4, 8, and 12 copies of light mass-degenerate fermions. We also present other hadron masses on the lightest ensemble for Nf = 8 generated by the LatKMI Collaboration and discuss the chiral extrapolation of the spectrum in this particular theory. We contrast the results to Nf = 4 simulations and previous results of Nf = 12 simulations. Journal Article Physical Review D 112 11 American Physical Society (APS) 2470-0010 2470-0029 3 12 2025 2025-12-03 10.1103/vnml-g6nx COLLEGE NANME Mathematics and Computer Science School COLLEGE CODE MACS Swansea University Not Required This work is supported by the JSPS Grants-in-Aid for Scientific Research (S) Grants No. 22224003, (C) No. 16K05320 (Y. A.) for Young Scientists (A) No. 16H06002 (T. Y.), (B) No. 25800138 (T. Y.), (B) No. 25800139 (H. O.), and (B) No. 15K17644 (K. M.). E. B. acknowledges the support of the UKRI Science and Technology Facilities Council Research Software Engineering Fellowship No. EP/V052489/1, the EPSRC ExCALIBUR program ExaTEPP (Project No. EP/X017168/1), the STFC Consolidated Grant No. ST/T000813/1, and the Supercomputing Wales program, which is partially funded by the European Regional Development Fund via the Welsh Government. K. M. is supported by the OCEVU Labex (Grant No. ANR-11-LABX-0060) and the A*MIDEX project (Grant No. ANR11-IDEX-0001-02) funded by the “Investissements d’Avenir” French government program and managed by the ANR. H. O. is supported in part by the JSPS KAKENHI (Grants No. 21K03554 and No. 22H00138). T. Y. is supported in part by Grants-in-Aid for Scientific Research (Grants No. 19H01892, No. 23H01195, and No, 23K25891) and MEXT as “Program for Promoting Researches on the Supercomputer Fugaku” Grant No. JPMXP1020230409. This work is supported by the Japan Lattice Data Grid constructed over the Science Information NETwork 6 of NII. 2026-01-12T21:17:41.8823825 2025-11-21T10:37:14.8838609 Faculty of Science and Engineering School of Mathematics and Computer Science - Mathematics Yasumichi Aoki 0000-0003-4096-8836 1 Tatsumi Aoyama 2 Ed Bennett 0000-0002-1678-6701 3 Toshihide Maskawa 4 Kohtaroh Miura 0000-0002-6975-0446 5 Hiroshi Ohki 6 Enrico Rinaldi 0000-0003-4134-809x 7 Akihiro Shibata 8 Koichi Yamawaki 9 Takeshi Yamazaki 10 (LatKMI Collaboration) 11 70956__35967__91abcafa19f844b5aa059979a082a2f8.pdf 70956.VoR.pdf 2026-01-12T21:15:21.7519434 Output 3513803 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/ 342 Ed Bennett 0000-0002-1678-6701 e.j.bennett@swansea.ac.uk true https://doi.org/10.5281/zenodo.17037868 false
title	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
spellingShingle	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice Ed Bennett
title_short	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
title_full	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
title_fullStr	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
title_full_unstemmed	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
title_sort	Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice
author_id_str_mv	e1a8e7927d2b093acdc54e74eac95e38
author_id_fullname_str_mv	e1a8e7927d2b093acdc54e74eac95e38_***_Ed Bennett
author	Ed Bennett
author2	Yasumichi Aoki Tatsumi Aoyama Ed Bennett Toshihide Maskawa Kohtaroh Miura Hiroshi Ohki Enrico Rinaldi Akihiro Shibata Koichi Yamawaki Takeshi Yamazaki (LatKMI Collaboration)
format	Journal article
container_title	Physical Review D
container_volume	112
container_issue	11
publishDate	2025
institution	Swansea University
issn	2470-0010 2470-0029
doi_str_mv	10.1103/vnml-g6nx
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 Mathematics and Computer Science - Mathematics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Mathematics and Computer Science - Mathematics
document_store_str	1
active_str	0
description	SU(3) gauge theories with an increasing number of light fermions are the templates of strongly interacting sectors and studying their low-energy dynamics and spectrum is important, both forunderstanding the strong dynamics of QCD itself, and for discovering viable UV completions ofbeyond the Standard Model physics. In order to contrast many-flavor strongly interacting theories with QCD on a quantitative footing, we use lattice field theory simulations. We focus on the study of the flavor-singlet spectrum in the scalar and pseudoscalar channels: This is an interesting probe of thedynamics of the strongly interacting sector, as reminded by the QCD case with the f0(500) (σ) and η'mesons. The hierarchy of the spectrum of a strongly coupled new gauge sector of the Standard Modeldefines the potential reach of future colliders for new physics discoveries. In addition to a novel hierarchy with light scalars, introducing many light flavors at fixed number of colors can influence the dynamics of the lightest flavor-singlet pseudoscalar. We present a complete lattice study of both of these flavor-singlet channels on high-statistics gauge ensembles generated by the LatKMI Collaboration with 4, 8, and 12 copies of light mass-degenerate fermions. We also present other hadron masses on the lightest ensemble for Nf = 8 generated by the LatKMI Collaboration and discuss the chiral extrapolation of the spectrum in this particular theory. We contrast the results to Nf = 4 simulations and previous results of Nf = 12 simulations.
published_date	2025-12-03T05:34:03Z
_version_	1856987037309075456
score	11.09613

Novel view of the flavor-singlet spectrum from multi-flavor QCD on the lattice

Similar Items