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Evidence for Diquarks in Lattice QCD

Ph. de Forcrand, C. Alexandrou, Biagio Lucini Orcid Logo

Physical Review Letters, Volume: "97", Issue: 22, Start page: 222002

Swansea University Author: Biagio Lucini Orcid Logo

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DOI (Published version): 10.1103/PhysRevLett.97.222002

Abstract

Diquarks may play an important role in hadron spectroscopy, baryon decays and color superconductivity. We investigate the existence of diquark correlations in lattice QCD by considering systematically all the lowest energy diquark channels in a color gauge-invariant setup. We measure mass difference...

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Published in: Physical Review Letters
ISSN: 0031-9007 1079-7114
Published: 2006
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URI: https://cronfa.swan.ac.uk/Record/cronfa27932
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last_indexed 2018-02-09T05:11:31Z
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spelling 2016-05-14T16:42:10.0442790 v2 27932 2016-05-14 Evidence for Diquarks in Lattice QCD 7e6fcfe060e07a351090e2a8aba363cf 0000-0001-8974-8266 Biagio Lucini Biagio Lucini true false 2016-05-14 SMA Diquarks may play an important role in hadron spectroscopy, baryon decays and color superconductivity. We investigate the existence of diquark correlations in lattice QCD by considering systematically all the lowest energy diquark channels in a color gauge-invariant setup. We measure mass differences between the various channels and show that the positive parity scalar diquark is the lightest. Quark-quark correlations inside the diquark are clearly seen in this channel, and yield a diquark size of order 1 fm. Journal Article Physical Review Letters "97" 22 222002 0031-9007 1079-7114 30 9 2006 2006-09-30 10.1103/PhysRevLett.97.222002 http://inspirehep.net/record/725378 COLLEGE NANME Mathematics COLLEGE CODE SMA Swansea University 2016-05-14T16:42:10.0442790 2016-05-14T16:42:09.8414777 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ph. de Forcrand 1 C. Alexandrou 2 Biagio Lucini 0000-0001-8974-8266 3
title Evidence for Diquarks in Lattice QCD
spellingShingle Evidence for Diquarks in Lattice QCD
Biagio Lucini
title_short Evidence for Diquarks in Lattice QCD
title_full Evidence for Diquarks in Lattice QCD
title_fullStr Evidence for Diquarks in Lattice QCD
title_full_unstemmed Evidence for Diquarks in Lattice QCD
title_sort Evidence for Diquarks in Lattice QCD
author_id_str_mv 7e6fcfe060e07a351090e2a8aba363cf
author_id_fullname_str_mv 7e6fcfe060e07a351090e2a8aba363cf_***_Biagio Lucini
author Biagio Lucini
author2 Ph. de Forcrand
C. Alexandrou
Biagio Lucini
format Journal article
container_title Physical Review Letters
container_volume "97"
container_issue 22
container_start_page 222002
publishDate 2006
institution Swansea University
issn 0031-9007
1079-7114
doi_str_mv 10.1103/PhysRevLett.97.222002
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://inspirehep.net/record/725378
document_store_str 0
active_str 0
description Diquarks may play an important role in hadron spectroscopy, baryon decays and color superconductivity. We investigate the existence of diquark correlations in lattice QCD by considering systematically all the lowest energy diquark channels in a color gauge-invariant setup. We measure mass differences between the various channels and show that the positive parity scalar diquark is the lightest. Quark-quark correlations inside the diquark are clearly seen in this channel, and yield a diquark size of order 1 fm.
published_date 2006-09-30T03:33:55Z
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score 10.998093

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