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Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/22999
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dc.contributor.authorSirunyan, AM-
dc.contributor.authorTumasyan, A-
dc.contributor.authorAdam, W-
dc.contributor.authorAndrejkovic, JW-
dc.contributor.authorBergauer, T-
dc.contributor.authorChatterjee, S-
dc.contributor.authorDragicevic, M-
dc.contributor.authorEscalante Del Valle, A-
dc.contributor.authorFrühwirth, R-
dc.contributor.authorJeitler, M-
dc.contributor.authorKrammer, N-
dc.contributor.authorBethani, A-
dc.contributor.authorBruno, G-
dc.contributor.authorBury, F-
dc.contributor.authorCaputo, C-
dc.contributor.authorDavid, P-
dc.contributor.authorTeodorescu, L-
dc.contributor.authorDelaere, C-
dc.contributor.authorDonertas, IS-
dc.contributor.authorGiammanco, A-
dc.contributor.authorJaffel, K-
dc.contributor.authorLemaitre, V-
dc.contributor.authorReid, ID-
dc.contributor.authorMondal, K-
dc.contributor.authorPrisciandaro, J-
dc.contributor.authorTaliercio, A-
dc.contributor.authorTeklishyn, M-
dc.contributor.authorMackay, CK-
dc.contributor.authorVischia, P-
dc.contributor.authorWertz, S-
dc.contributor.authorWuyckens, S-
dc.contributor.authorKyberd, P-
dc.contributor.authorAlves, GA-
dc.contributor.authorHensel, C-
dc.contributor.authorKhan, A-
dc.contributor.authorMoraes, A-
dc.contributor.authorCole, JE-
dc.contributor.authorColdham, K-
dc.contributor.authorLechner, L-
dc.contributor.authorLiko, D-
dc.contributor.authorMikulec, I-
dc.contributor.authorPitters, FM-
dc.contributor.authorSchieck, J-
dc.contributor.authorSchöfbeck, R-
dc.contributor.authorSpanring, M-
dc.contributor.authorTempl, S-
dc.contributor.authorWaltenberger, W-
dc.contributor.authorWulz, CE-
dc.contributor.authorChekhovsky, V-
dc.contributor.authorLitomin, A-
dc.contributor.authorMakarenko, V-
dc.contributor.authorDarwish, MR-
dc.contributor.authorDe Wolf, EA-
dc.contributor.authorJanssen, X-
dc.contributor.authorKello, T-
dc.contributor.authorLelek, A-
dc.contributor.authorRejeb Sfar, H-
dc.contributor.authorVan Mechelen, P-
dc.contributor.authorVan Putte, S-
dc.contributor.authorVan Remortel, N-
dc.contributor.authorBlekman, F-
dc.contributor.authorBols, ES-
dc.contributor.authorD'Hondt, J-
dc.contributor.authorDe Clercq, J-
dc.contributor.authorDelcourt, M-
dc.contributor.authorLowette, S-
dc.contributor.authorMoortgat, S-
dc.contributor.authorMorton, A-
dc.contributor.authorMüller, D-
dc.contributor.authorSahasransu, AR-
dc.contributor.authorTavernier, S-
dc.contributor.authorVan Doninck, W-
dc.contributor.authorVan Mulders, P-
dc.contributor.authorBeghin, D-
dc.contributor.authorBilin, B-
dc.contributor.authorClerbaux, B-
dc.contributor.authorDe Lentdecker, G-
dc.contributor.authorFavart, L-
dc.contributor.authorGrebenyuk, A-
dc.contributor.authorKalsi, AK-
dc.contributor.authorLee, K-
dc.contributor.authorMahdavikhorrami, M-
dc.contributor.authorMakarenko, I-
dc.contributor.authorMoureaux, L-
dc.contributor.authorPétré, L-
dc.contributor.authorPopov, A-
dc.contributor.authorPostiau, N-
dc.contributor.authorStarling, E-
dc.contributor.authorThomas, L-
dc.contributor.authorVanden Bemden, M-
dc.contributor.authorVander Velde, C-
dc.contributor.authorVanlaer, P-
dc.contributor.authorVannerom, D-
dc.contributor.authorWezenbeek, L-
dc.contributor.authorCornelis, T-
dc.contributor.authorDobur, D-
dc.contributor.authorGruchala, M-
dc.contributor.authorLambrecht, L-
dc.contributor.authorMestdach, G-
dc.contributor.authorNiedziela, M-
dc.contributor.authorRoskas, C-
dc.contributor.authorSkovpen, K-
dc.contributor.authorTran, TT-
dc.contributor.authorTytgat, M-
dc.contributor.authorVerbeke, W-
dc.contributor.authorVermassen, B-
dc.contributor.authorZahid, S-
dc.contributor.authorVit, M-
dc.date.accessioned2021-07-27T17:28:00Z-
dc.date.available2021-06-25-
dc.date.available2021-07-27T17:28:00Z-
dc.date.issued2021-06-25-
dc.identifier252003-
dc.identifier.citationSirunyan, A.M. et al. (CMS Collaboration) (2021) 'Observation of a New Excited Beauty Strange Baryon Decaying to Ξb- π+π-', Physical Review Letters, 126 (25), 252003 pp. 1 - 19. doi: 10.1103/PhysRevLett.126.252003.en_US
dc.identifier.issn0031-9007-
dc.identifier.urihttps://bura.brunel.ac.uk/handle/2438/22999-
dc.description.abstract© 2021 CERN, for the CMS Collaboration. The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 fb-1. The ground state Ξb- is reconstructed via its decays to J/ψΞ- and J/ψΛK-. A narrow resonance, labeled Ξb(6100)-, is observed at a Ξb-π+π- invariant mass of 6100.3±0.2(stat)±0.1(syst)±0.6(Ξb-) MeV, where the last uncertainty reflects the precision of the Ξb- baryon mass. The upper limit on the Ξb(6100)- natural width is determined to be 1.9 MeV at 95% confidence level. The low Ξb(6100)- signal yield observed in data does not allow a measurement of the quantum numbers of the new state. However, following analogies with the established excited Ξc baryon states, the new Ξb(6100)- resonance and its decay sequence are consistent with the orbitally excited Ξb- baryon, with spin and parity quantum numbers JP=3/2-.en_US
dc.description.sponsorshipSCOAP3.en_US
dc.format.extent1 - 19 (19)-
dc.format.mediumPrint-Electronic-
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.rights© 2021 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.-
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectbottom baryons-
dc.subjecthadron colliders-
dc.titleObservation of a New Excited Beauty Strange Baryon Decaying to Ξb- π+π-en_US
dc.typeArticleen_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.126.252003-
dc.relation.isPartOfPhysical Review Letters-
pubs.issue25-
pubs.publication-statusPublished-
pubs.volume126-
dc.identifier.eissn1079-7114-
Appears in Collections:Dept of Electronic and Electrical Engineering Research Papers

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