Combination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at root s=13 TeV with the ATLAS Detector

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dc.WoS.categoriesPhysics, Multidisciplinaryen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-05-26T09:45:16Z
dc.date.available2020-05-26T09:45:16Z
dc.date.issued2018-11-20
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T -> Zt/Wb/Ht, B -> Zb/Wt/Hb) is performed using 36.1 fb(-1) of pp collision data at root s = 13 TeV with the ATLAS detector at the Large Hadron Collider. The observed data are found to be in good agreement with the standard model background prediction in all individual searches. Therefore, combined 95% confidence-level upper limits are set on the production cross section for a range of vectorlike quark scenarios, significantly improving upon the reach of the individual searches. Model-independent limits are set assuming the vectorlike quarks decay to standard model particles. A singlet T is excluded for masses below 1.31 TeV and a singlet B is excluded for masses below 1.22 TeV. Assuming a weak isospin (T, B) doublet and vertical bar V-Tb vertical bar << vertical bar V-tB vertical bar, T and B masses below 1.37 TeV are excluded.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevLett.121.211801
dc.identifier.issn1079-7114
dc.identifier.issn0031-9007
dc.identifier.pmid30517796en_US
dc.identifier.scopus2-s2.0-85057470814en_US
dc.identifier.urihttps://hdl.handle.net/11411/2083
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.121.211801
dc.identifier.wosWOS:000451008600002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.issue21en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors500+en_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW LETTERSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPARTON DISTRIBUTIONSen_US
dc.subjectSYMMETRYen_US
dc.subjectBREAKINGen_US
dc.subjectDYNAMICSen_US
dc.titleCombination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at root s=13 TeV with the ATLAS Detector
dc.typeArticle
dc.volume121en_US

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