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Search for a stable six-quark state at BABAR

dc.contributor.authorLees, Jean-Pierre
dc.contributor.authorPoireau, Vincent
dc.contributor.authorTisserand, Vincent
dc.contributor.authorGrauges, Eugeni
dc.contributor.authorPalano, Antimo
dc.contributor.authorEigen, Gerald
dc.contributor.authorBrown, David Nathan
dc.contributor.authorKolomensky, Yury G.
dc.contributor.authorFritsch, Miriam
dc.contributor.authorKoch, Helmut
dc.contributor.authorSchroeder, Torsten
dc.contributor.authorHearty, Christopher
dc.contributor.authorMattison, Tom S.
dc.contributor.authorMcKenna, Janis A.
dc.contributor.authorSo, Rocky Y.
dc.contributor.authorBlinov, Vladimir E.
dc.contributor.authorBuzykaev, Alexey
dc.contributor.authorDruzhinin, Vladimir P.
dc.contributor.authorGolubev, Vladimir B.
dc.contributor.authorKozyrev, Evgeny A.
dc.contributor.authorKravchenko, Evgeniy A.
dc.contributor.authorOnuchin, Alexei P.
dc.contributor.authorSerednyakov, Sergey I.
dc.contributor.authorSkovpen, Yuri I.
dc.contributor.authorSolodov, Evgeni Petrovich
dc.contributor.authorTodyshev, Korneliy Yu.
dc.contributor.authorLankford, Andrew J.
dc.contributor.authorGary, J. William
dc.contributor.authorLong, Owen
dc.contributor.authorEisner, Alan M.
dc.contributor.authorLockman, William S.
dc.contributor.authorPanduro-Vazquez, William
dc.contributor.authorChao, Daniel S.
dc.contributor.authorCheng, Chih-Hsiang
dc.contributor.authorEchenard, Bertrand
dc.contributor.authorFlood, Kevin T.
dc.contributor.authorHitlin, David G.
dc.contributor.authorKim, Jae
dc.contributor.authorLee, Myeongjae
dc.contributor.authorMiyashita, Tomonari S.
dc.contributor.authorOngmongkolkul, Piti
dc.contributor.authorPorter, Frank C.
dc.contributor.authorRöhrken, Markus
dc.contributor.authorHuard, Zachary
dc.contributor.authorMeadows, Brian T.
dc.contributor.authorPushpawela, Buddhi G.
dc.contributor.authorSokoloff, Michael D.
dc.contributor.authorSun, Liang
dc.contributor.authorSmith, Jim G.
dc.contributor.authorWagner, Stephen R.
dc.contributor.authorBABAR, Collaboration
dc.date.accessioned2021-01-29T13:41:25Z
dc.date.available2021-01-29T13:41:25Z
dc.date.created2020-03-02T14:04:46Z
dc.date.issued2019
dc.PublishedPhysical Review Letters. 2019, 122 (7), 072002.en_US
dc.identifier.issn0031-9007
dc.identifier.urihttps://hdl.handle.net/11250/2725394
dc.description.abstractRecent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate. We report the first search for a stable, doubly strange six-quark state in ϒ → SΛ¯ Λ¯ decays based on a sample of 90 × 106ϒð2SÞ and 110 × 106ϒð3SÞ decays collected by the BABAR experiment. No signal is observed, and 90% confidence level limits on the combined ϒð2S; 3SÞ → SΛ¯ Λ¯ branching fraction in the range ð1.2–1.4Þ × 10−7 are derived for mS < 2.05 GeV. These bounds set stringent limits on the existence of such exotic particles.en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleSearch for a stable six-quark state at BABARen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.source.articlenumber072002en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2
dc.identifier.doi10.1103/PhysRevLett.122.072002
dc.identifier.cristin1798952
dc.source.journalPhysical Review Lettersen_US
dc.source.40122en_US
dc.source.147en_US
dc.subject.nsiVDP::Kjerne- og elementærpartikkelfysikk: 431en_US
dc.subject.nsiVDP::Nuclear and elementary particle physics: 431en_US


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