No Cover Image

Journal article 166 views 35 downloads

Tetraquark mass relations in quark and diquark models

Muhammad Anwar Orcid Logo, Timothy Burns Orcid Logo

Physics Letters B, Volume: 847, Start page: 138248

Swansea University Authors: Muhammad Anwar Orcid Logo, Timothy Burns Orcid Logo

  • 64764.pdf

    PDF | Version of Record

    Crown Copyright © 2023 Published by Elsevier B.V. Distributed under the terms of a Creative Commons Attribution 4.0 International License (CC BY 4.0).

    Download (481.69KB)

Check full text

DOI (Published version): 10.1016/j.physletb.2023.138248

Abstract

We present new linear relations among the masses of S-wave tetraquarks with either one flavour (QQQ¯Q¯) or two (QQq¯q¯). Because the relations are sensitive to the hidden-colour, spin, and spatial degrees of freedom, comparison to experimental data can help to reveal the internal structure of tetraq...

Full description

Published in: Physics Letters B
ISSN: 0370-2693 1873-2445
Published: Elsevier BV 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa64764
Tags: Add Tag
No Tags, Be the first to tag this record!
first_indexed 2023-10-18T07:31:01Z
last_indexed 2023-10-18T07:31:01Z
id cronfa64764
recordtype SURis
fullrecord <?xml version="1.0" encoding="utf-8"?><rfc1807 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><bib-version>v2</bib-version><id>64764</id><entry>2023-10-18</entry><title>Tetraquark mass relations in quark and diquark models</title><swanseaauthors><author><sid>5bc959853ea1ac141e88196468cd6d3e</sid><ORCID>0000-0002-9774-8781</ORCID><firstname>Muhammad</firstname><surname>Anwar</surname><name>Muhammad Anwar</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>00c358e0adea90df98f1d4a5188cb3ed</sid><ORCID>0000-0002-7201-6437</ORCID><firstname>Timothy</firstname><surname>Burns</surname><name>Timothy Burns</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2023-10-18</date><deptcode>FGSEN</deptcode><abstract>We present new linear relations among the masses of S-wave tetraquarks with either one flavour (QQQ¯Q¯) or two (QQq¯q¯). Because the relations are sensitive to the hidden-colour, spin, and spatial degrees of freedom, comparison to experimental data can help to reveal the internal structure of tetraquarks, and discriminate among different theoretical models. Depending on the model, the relations are either exact, or valid in perturbation theory, and a thorough comparison with existing literature confirms their validity at the MeV level. Additionally, we explore the connections among tetraquark models, and show how those with effective (quark or diquark) masses are related to dynamical potential models. We also show how the spectrum of diquark models is effectively a limiting case of (more general) quark models, and in particular, that the diquark concept is most relevant in the particular combination QQq¯q¯, where Q is much heavier than q¯.</abstract><type>Journal Article</type><journal>Physics Letters B</journal><volume>847</volume><journalNumber/><paginationStart>138248</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0370-2693</issnPrint><issnElectronic>1873-2445</issnElectronic><keywords/><publishedDay>10</publishedDay><publishedMonth>12</publishedMonth><publishedYear>2023</publishedYear><publishedDate>2023-12-10</publishedDate><doi>10.1016/j.physletb.2023.138248</doi><url>http://dx.doi.org/10.1016/j.physletb.2023.138248</url><notes/><college>COLLEGE NANME</college><department>Science and Engineering - Faculty</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>FGSEN</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>This work is supported by The Royal Society through Newton International Fellowship (grant number NIF\R1\211991).</funders><projectreference/><lastEdited>2023-11-27T14:39:47.5312182</lastEdited><Created>2023-10-18T08:27:31.8920755</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>Muhammad</firstname><surname>Anwar</surname><orcid>0000-0002-9774-8781</orcid><order>1</order></author><author><firstname>Timothy</firstname><surname>Burns</surname><orcid>0000-0002-7201-6437</orcid><order>2</order></author></authors><documents><document><filename>64764__28971__348a33a3f3db490dbafc38d908908851.pdf</filename><originalFilename>64764.pdf</originalFilename><uploaded>2023-11-08T12:21:46.7202082</uploaded><type>Output</type><contentLength>493254</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>Crown Copyright © 2023 Published by Elsevier B.V. Distributed under the terms of a Creative Commons Attribution 4.0 International License (CC BY 4.0).</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>http://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling v2 64764 2023-10-18 Tetraquark mass relations in quark and diquark models 5bc959853ea1ac141e88196468cd6d3e 0000-0002-9774-8781 Muhammad Anwar Muhammad Anwar true false 00c358e0adea90df98f1d4a5188cb3ed 0000-0002-7201-6437 Timothy Burns Timothy Burns true false 2023-10-18 FGSEN We present new linear relations among the masses of S-wave tetraquarks with either one flavour (QQQ¯Q¯) or two (QQq¯q¯). Because the relations are sensitive to the hidden-colour, spin, and spatial degrees of freedom, comparison to experimental data can help to reveal the internal structure of tetraquarks, and discriminate among different theoretical models. Depending on the model, the relations are either exact, or valid in perturbation theory, and a thorough comparison with existing literature confirms their validity at the MeV level. Additionally, we explore the connections among tetraquark models, and show how those with effective (quark or diquark) masses are related to dynamical potential models. We also show how the spectrum of diquark models is effectively a limiting case of (more general) quark models, and in particular, that the diquark concept is most relevant in the particular combination QQq¯q¯, where Q is much heavier than q¯. Journal Article Physics Letters B 847 138248 Elsevier BV 0370-2693 1873-2445 10 12 2023 2023-12-10 10.1016/j.physletb.2023.138248 http://dx.doi.org/10.1016/j.physletb.2023.138248 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University This work is supported by The Royal Society through Newton International Fellowship (grant number NIF\R1\211991). 2023-11-27T14:39:47.5312182 2023-10-18T08:27:31.8920755 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Muhammad Anwar 0000-0002-9774-8781 1 Timothy Burns 0000-0002-7201-6437 2 64764__28971__348a33a3f3db490dbafc38d908908851.pdf 64764.pdf 2023-11-08T12:21:46.7202082 Output 493254 application/pdf Version of Record true Crown Copyright © 2023 Published by Elsevier B.V. Distributed under the terms of a Creative Commons Attribution 4.0 International License (CC BY 4.0). true eng http://creativecommons.org/licenses/by/4.0/
title Tetraquark mass relations in quark and diquark models
spellingShingle Tetraquark mass relations in quark and diquark models
Muhammad Anwar
Timothy Burns
title_short Tetraquark mass relations in quark and diquark models
title_full Tetraquark mass relations in quark and diquark models
title_fullStr Tetraquark mass relations in quark and diquark models
title_full_unstemmed Tetraquark mass relations in quark and diquark models
title_sort Tetraquark mass relations in quark and diquark models
author_id_str_mv 5bc959853ea1ac141e88196468cd6d3e
00c358e0adea90df98f1d4a5188cb3ed
author_id_fullname_str_mv 5bc959853ea1ac141e88196468cd6d3e_***_Muhammad Anwar
00c358e0adea90df98f1d4a5188cb3ed_***_Timothy Burns
author Muhammad Anwar
Timothy Burns
author2 Muhammad Anwar
Timothy Burns
format Journal article
container_title Physics Letters B
container_volume 847
container_start_page 138248
publishDate 2023
institution Swansea University
issn 0370-2693
1873-2445
doi_str_mv 10.1016/j.physletb.2023.138248
publisher Elsevier BV
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
url http://dx.doi.org/10.1016/j.physletb.2023.138248
document_store_str 1
active_str 0
description We present new linear relations among the masses of S-wave tetraquarks with either one flavour (QQQ¯Q¯) or two (QQq¯q¯). Because the relations are sensitive to the hidden-colour, spin, and spatial degrees of freedom, comparison to experimental data can help to reveal the internal structure of tetraquarks, and discriminate among different theoretical models. Depending on the model, the relations are either exact, or valid in perturbation theory, and a thorough comparison with existing literature confirms their validity at the MeV level. Additionally, we explore the connections among tetraquark models, and show how those with effective (quark or diquark) masses are related to dynamical potential models. We also show how the spectrum of diquark models is effectively a limiting case of (more general) quark models, and in particular, that the diquark concept is most relevant in the particular combination QQq¯q¯, where Q is much heavier than q¯.
published_date 2023-12-10T14:39:48Z
_version_ 1783728426953211904
score 11.013619

Similar Items