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Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/27941
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dc.contributor.authorTumasyan, A-
dc.contributor.authorAdam, W-
dc.contributor.authorAndrejkovic, JW-
dc.contributor.authorBergauer, T-
dc.contributor.authorChatterjee, S-
dc.contributor.authorDamanakis, K-
dc.contributor.authorDragicevic, M-
dc.contributor.authorEscalante Del Valle, A-
dc.contributor.authorHussain, PS-
dc.contributor.authorJeitler, M-
dc.contributor.authorKrammer, N-
dc.contributor.authorVan Den Bossche, N-
dc.contributor.authorVermassen, B-
dc.contributor.authorWezenbeek, L-
dc.contributor.authorBenecke, A-
dc.contributor.authorBruno, G-
dc.contributor.authorBury, F-
dc.contributor.authorCaputo, C-
dc.contributor.authorDavid, P-
dc.contributor.authorDelaere, C-
dc.contributor.authorDonertas, IS-
dc.contributor.authorGiammanco, A-
dc.contributor.authorJaffel, K-
dc.contributor.authorJain, S-
dc.contributor.authorLemaitre, V-
dc.contributor.authorMondal, K-
dc.contributor.authorTaliercio, A-
dc.contributor.authorTran, TT-
dc.contributor.authorVischia, P-
dc.contributor.authorWertz, S-
dc.contributor.authorAlves, GA-
dc.contributor.authorCoelho, E-
dc.contributor.authorHensel, C-
dc.contributor.authorMoraes, A-
dc.contributor.authorRebello Teles, P-
dc.contributor.authorAldá Júnior, WL-
dc.contributor.authorAlves Gallo Pereira, M-
dc.contributor.authorBarroso Ferreira Filho, M-
dc.contributor.authorBrandao Malbouisson, H-
dc.contributor.authorCarvalho, W-
dc.contributor.authorReid, ID-
dc.contributor.authorChinellato, J-
dc.contributor.authorDa Costa, EM-
dc.contributor.authorDa Silveira, GG-
dc.contributor.authorKyberd, P-
dc.contributor.authorDe Jesus Damiao, D-
dc.contributor.authorDos Santos Sousa, V-
dc.contributor.authorKhan, A-
dc.contributor.authorFonseca De Souza, S-
dc.contributor.authorCole, JE-
dc.contributor.authorColdham, K-
dc.contributor.authorLechner, L-
dc.contributor.authorLiko, D-
dc.contributor.authorMikulec, I-
dc.contributor.authorPaulitsch, P-
dc.contributor.authorSchieck, J-
dc.contributor.authorSchöfbeck, R-
dc.contributor.authorSchwarz, D-
dc.contributor.authorSonawane, M-
dc.contributor.authorTempl, S-
dc.contributor.authorWaltenberger, W-
dc.contributor.authorWulz, CE-
dc.contributor.authorDarwish, MR-
dc.contributor.authorJanssen, T-
dc.contributor.authorKello, T-
dc.contributor.authorRejeb Sfar, H-
dc.contributor.authorVan Mechelen, P-
dc.contributor.authorBols, ES-
dc.contributor.authorD'Hondt, J-
dc.contributor.authorDe Moor, A-
dc.contributor.authorDelcourt, M-
dc.contributor.authorEl Faham, H-
dc.contributor.authorLowette, 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 Putte, S-
dc.contributor.authorVannerom, D-
dc.contributor.authorClerbaux, B-
dc.contributor.authorDansana, S-
dc.contributor.authorDe Lentdecker, G-
dc.contributor.authorFavart, L-
dc.contributor.authorHohov, D-
dc.contributor.authorJaramillo, J-
dc.contributor.authorLee, K-
dc.contributor.authorMahdavikhorrami, M-
dc.contributor.authorMakarenko, I-
dc.contributor.authorMalara, A-
dc.contributor.authorParedes, S-
dc.contributor.authorPétré, L-
dc.contributor.authorPostiau, N-
dc.contributor.authorThomas, L-
dc.contributor.authorVanden Bemden, M-
dc.contributor.authorVander Velde, C-
dc.contributor.authorVanlaer, P-
dc.contributor.authorDobur, D-
dc.contributor.authorKnolle, J-
dc.contributor.authorLambrecht, L-
dc.contributor.authorMestdach, G-
dc.contributor.authorRendón, C-
dc.contributor.authorSamalan, A-
dc.contributor.authorSkovpen, K-
dc.contributor.authorTytgat, M-
dc.contributor.otherCMS Collaboration-
dc.date.accessioned2023-12-29T09:06:23Z-
dc.date.available2023-12-29T09:06:23Z-
dc.date.issued2023-07-17-
dc.identifierORCID iD Joanne E. Cole https://orcid.org/0000-0001-5638-7599-
dc.identifierORCID iD: Akram Khan https://orcid.org/0000-0002-4597-4402-
dc.identifierORCID iD: Paul Kyberd https://orcid.org/0000-0002-7353-7090-
dc.identifierORCID iD: Ivan D. Reid https://orcid.org/0000-0002-9235-779X-
dc.identifier138076-
dc.identifier.citationTumasyan, A. et al. for the CMS Collaboration (2023) 'Evidence for four-top quark production in proton-proton collisions at √s = 13 TeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 844, 138076, pp. 1 - 25. doi: 10.1016/j.physletb.2023.138076.en_US
dc.identifier.issn0370-2693-
dc.identifier.urihttps://bura.brunel.ac.uk/handle/2438/27941-
dc.descriptionData availability: Release and preservation of data used by the CMS Collaboration as the basis for publications is guided by the CMS policy as stated in “CMS data preservation, re-use and open access policy” (https://cms-docdb.cern.ch/cgi-bin/PublicDocDB/RetrieveFile?docid=6032&filename=CMSDataPolicyV1.2.pdf&version=2).en_US
dc.descriptionA preprint of this article was made available at arXiv, arXiv:2303.03864 [hep-ex]. It was replaced with the published version. All the figures and tables can be found at: http://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-21-005 (CMS Public Pages).-
dc.descriptionReport number: CMS-TOP-21-005, CERN-EP-2023-014.-
dc.description.abstractCopyright © 2023 The Author(s). The production of four top quarks (tt¯tt¯) is studied with LHC proton-proton collision data samples collected by the CMS experiment at a center-of-mass energy of 13 TeV, and corresponding to integrated luminosities of up to 138 fb−1. Events that have no leptons (all-hadronic), one lepton, or two opposite-sign leptons (where lepton refers only to prompt electrons or prompt muons) are considered. This is the first tt¯tt¯ measurement that includes the all-hadronic final state. The observed significance of the tt¯tt¯ signal in these final states of 3.9 standard deviations (1.5 expected) provides evidence for tt¯tt¯ production, with a measured cross section of 36−11+12 fb. Combined with earlier CMS results in other final states, the signal significance is 4.0 standard deviations (3.2 expected). The combination returns an observed cross section of 17 ±4 (stat) ±3 (syst) fb, which is consistent with the standard model prediction.en_US
dc.description.sponsorshipSCOAP3.en_US
dc.format.extent1 - 25-
dc.format.mediumPrint-Electronic-
dc.language.isoen_USen_US
dc.publisherElsevieren_US
dc.relation.urihttps://arxiv.org/abs/2303.03864-
dc.rightsCopyright © 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).-
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectCMSen_US
dc.subjecttop quarken_US
dc.titleEvidence for four-top quark production in proton-proton collisions at √s = 13 TeVen_US
dc.typeArticleen_US
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2023.138076-
dc.relation.isPartOfPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics-
pubs.publication-statusPublished-
pubs.volume844-
dc.identifier.eissn1873-2445-
dc.rights.holderThe Author(s)-
Appears in Collections:Dept of Electronic and Electrical Engineering Research Papers

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