Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9607
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dc.contributor.authorAaboud, M.-
dc.contributor.authorAad, G.-
dc.contributor.authorAbbott, B.-
dc.contributor.authorAbdinov, O.-
dc.contributor.authorAbeloos, B.-
dc.contributor.authorAbidi, S. H.-
dc.contributor.authorAdye, T.-
dc.date.accessioned2022-12-25T20:42:20Z-
dc.date.available2022-12-25T20:42:20Z-
dc.date.issued2018-
dc.identifier.issn2470-0010-
dc.identifier.issn2470-0029-
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.97.072003-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/9607-
dc.description.abstractA search for the associated production of the Higgs boson with a top quark pair (tt (b) over barH) is reported. The search is performed in multilepton final states using a data set corresponding to an integrated luminosity of 36.1 fb(-1) of proton-proton collision data recorded by the ATLAS experiment at a center-of-mass energy root s = 13 TeV at the Large Hadron Collider. Higgs boson decays to WW*, tau tau, and ZZ* are targeted. Seven final states, categorized by the number and flavor of charged-lepton candidates, are examined for the presence of the Standard Model Higgs boson with a mass of 125 GeVand a pair of top quarks. An excess of events over the expected background from Standard Model processes is found with an observed significance of 4.1 standard deviations, compared to an expectation of 2.8 standard deviations. The best fit for the (tt (b) over barH) production cross section is sot (tt (b) over barH) = 790(-210)(+230) fb, in agreement with the Standard Model prediction of 507(-50)(+35) fb. The combination of this result with other tt (b) over barH searches from the ATLAS experiment using the Higgs boson decay modes to b (b) over bar, gamma gamma and ZZ* -> 4l, has an observed significance of 4.2 standard deviations, compared to an expectation of 3.8 standard deviations. This provides evidence for the tt (b) over barH production mode.en_US
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.ispartofPhysical Review Den_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectProduction Cross-Sectionen_US
dc.subjectParton Distributionsen_US
dc.subjectPp Collisionsen_US
dc.subjectMonte-Carloen_US
dc.subject8 Teven_US
dc.subjectRoot-S=7en_US
dc.subjectSearchen_US
dc.subjectDecayen_US
dc.subjectModelen_US
dc.subjectSymmetriesen_US
dc.titleEvidence for the Associated Production of the Higgs Boson and a Top Quark Pair With the Atlas Detectoren_US
dc.typeArticleen_US
dc.departmentESTÜen_US
dc.identifier.volume97en_US
dc.identifier.issue7en_US
dc.authoridCoccaro, Andrea/0000-0003-2368-4559-
dc.authoridAmoroso, Simone/0000-0001-5450-0447-
dc.authoridKantserov, Vadim/0000-0001-8255-416X-
dc.authoridOlszewski, Andrzej J/0000-0003-3368-5475-
dc.authoridManeira, Jose/0000-0002-3222-2738-
dc.authoridLee, Lawrence/0000-0002-5590-335X-
dc.authoridCavaliere, Viviana/0000-0002-4297-8539-
dc.identifier.wosWOS:000429456900001en_US
dc.identifier.scopus2-s2.0-85046831163en_US
dc.institutionauthor[Belirlenecek]-
dc.identifier.doi10.1103/PhysRevD.97.072003-
dc.authorwosidCoccaro, Andrea/AAB-6990-2021-
dc.authorwosidSultansoy, Saleh/AAA-8267-2019-
dc.authorwosidKantserov, Vadim/M-9761-2015-
dc.authorwosidAmoroso, Simone/AAW-4334-2021-
dc.authorwosidOlszewski, Andrzej J/W-1825-2018-
dc.authorwosidManeira, Jose/D-8486-2011-
dc.authorwosidLee, Lawrence/AAU-6790-2021-
dc.authorscopusid57189848621-
dc.authorscopusid26326745400-
dc.authorscopusid35226946900-
dc.authorscopusid6507496079-
dc.authorscopusid57110456500-
dc.authorscopusid56536227400-
dc.authorscopusid54989009000-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanen_US
dc.identifier.scopusqualityQ1-
dc.identifier.trdiziniden_US]
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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