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dc.contributorATLAS Collaboration
dc.contributorCMS Collaboration
dc.creatorAaboud, M
dc.creatorAad, G
dc.creatorAbbott, B
dc.creatorAbbott, D C
dc.creatorAdžić, Petar
dc.creatorĆirković, Predrag
dc.creatorDevetak, Damir
dc.creatorĐorđević, Miloš
dc.creatorMilenović, Predrag
dc.creatorMilošević, Jovan
dc.date.accessioned2019-08-26T08:35:21Z
dc.date.available2019-08-26T08:35:21Z
dc.date.issued2019
dc.identifier.issn1126-6708 (print)
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/8210
dc.description.abstractThis paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at s = 7 and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb−1 at s = 7 TeV and 12.2 to 20.3 fb−1 at s = 8 TeV. These combinations are performed per centre-of-mass energy and for each production mode: t-channel, tW, and s-channel. The combined t-channel cross-sections are 67.5 ± 5.7 pb and 87.7 ± 5.8 pb at s = 7 and 8 TeV respectively. The combined tW cross-sections are 16.3 ± 4.1 pb and 23.1 ± 3.6 pb at s = 7 and 8 TeV respectively. For the s-channel cross-section, the combination yields 4.9 ± 1.4 pb at s = 8 TeV. The square of the magnitude of the CKM matrix element Vtb multiplied by a form factor fLV is determined for each production mode and centre-of-mass energy, using the ratio of the measured cross-section to its theoretical prediction. It is assumed that the top-quark-related CKM matrix elements obey the relation |Vtd|, |Vts| ≪ |Vtb|. All the |fLVVtb|2 determinations, extracted from individual ratios at s = 7 and 8 TeV, are combined, resulting in |fLVVtb| = 1.02 ± 0.04 (meas.) ± 0.02 (theo.). All combined measurements are consistent with their corresponding Standard Model predictions.[Figure not available: see fulltext.]. © 2019, The Author(s).en
dc.language.isoen
dc.rightsopenAccess
dc.sourceJournal of High Energy Physics
dc.titleCombinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experimentsen
dc.typearticleen
dc.rights.licenseBY
dcterms.abstractМиленовић, Предраг; Aджић, Петар; Ћирковић, Предраг; Милошевић, Јован; Деветак, Дамир; Ђорђевић, Милош; Aбботт, Д Ц; Aбботт, Б; Aад, Г; Aабоуд, М;
dc.rights.holder© 2019, The Author(s)
dc.citation.volume2019
dc.citation.issue5
dc.identifier.wos000468428300001
dc.identifier.doi10.1007/JHEP05(2019)088
dc.contributor.countATLAS and CMS Collaboration (ukupan broj autora: 5309)
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85066067505
dc.identifier.fulltexthttp://vinar.vin.bg.ac.rs//bitstream/id/20369/Aaboud2019_Article_CombinationsOFSingle-top-quark.pdf


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