Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7730
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dc.contributor.authorCMS Collaboration-
dc.contributor.authorKarapınar, Güler-
dc.date.accessioned2020-02-26T13:45:53Z-
dc.date.available2020-02-26T13:45:53Z-
dc.date.issued2018-08en_US
dc.identifier.citationSirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Measurement of the cross section for top quark pair production in association with a W or Z boson in proton-proton collisions at √s = 13 TeV. Journal of High Energy Physics, 2018(8). doi:10.1007/JHEP08(2018)011en_US
dc.identifier.issn1029-8479-
dc.identifier.urihttps://doi.org/10.1007/JHEP08(2018)011-
dc.identifier.urihttps://hdl.handle.net/11147/7730-
dc.description.abstractA measurement is performed of the cross section of top quark pair production in association with a W or Z boson using proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC. The data sample corresponds to an integrated luminosity of 35.9 fb−1, collected by the CMS experiment in 2016. The measurement is performed in the same-sign dilepton, three- and four-lepton final states. The production cross sections are measured to be σ(tt¯W)=0.77−0.11+0.12(stat)−0.12+0.13(syst)pb and σ(tt¯Z)=0.99−0.08+0.09(stat)−0.10+0.12(syst)pb. The expected (observed) signal significance for the t t ¯ W production in same-sign dilepton channel is found to be 4.5 (5.3) standard deviations, while for the t t ¯ Z production in three- and four-lepton channels both the expected and the observed significances are found to be in excess of 5 standard deviations. The results are in agreement with the standard model predictions and are used to constrain the Wilson coefficients for eight dimension-six operators describing new interactions that would modify t t ¯ W and t t ¯ Z production.en_US
dc.description.sponsorshipThe Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authorityen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHigh energy physicsen_US
dc.subjectZ bosonsen_US
dc.subjectW bosonen_US
dc.subjectTop quarksen_US
dc.titleMeasurement of the cross section for top quark pair production in association with a W or Z boson in proton-proton collisions at ?s = 13 TeVen_US
dc.typeArticleen_US
dc.institutionauthorKarapınar, Güler-
dc.departmentİzmir Institute of Technology. Mathematicsen_US
dc.identifier.volume2018en_US
dc.identifier.issue8en_US
dc.identifier.wosWOS:000440833700003en_US
dc.identifier.scopus2-s2.0-85052077161en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/JHEP08(2018)011-
dc.relation.doi10.1007/JHEP08(2018)011en_US
dc.coverage.doi10.1007/JHEP08(2018)011en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
dc.identifier.wosqualityttpTop10%en_US
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.languageiso639-1en-
item.fulltextWith Fulltext-
crisitem.author.dept01. Izmir Institute of Technology-
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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