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Search for vector-like quark pair production with multilepton final states using 19.5 fb^-1 of pp collisions at √s=8 TeV
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Contreras-Campana, Christian. Search for vector-like quark pair production with multilepton final states using 19.5 fb^-1 of pp collisions at √s=8 TeV. Retrieved from https://doi.org/doi:10.7282/T3CV4KFH

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TitleSearch for vector-like quark pair production with multilepton final states using 19.5 fb^-1 of pp collisions at √s=8 TeV
NameContreras-Campana, Christian (author); Schnetzer, Stephen (chair); Gershtein, Yuri (internal member); Lukyanov, Sergei (internal member); Blumberg, Girsh (internal member); Sokoloff, Michael (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2015
Other Date2015-01 (degree)
SubjectPhysics and Astronomy, Quarks, Particles (Nuclear physics)
Extent1 online resource (xviii, 156 p. : ill.)
DescriptionA search for pair-production of vector-like partners of the b quark, b', using 19.5 fb^-1 of integrated luminosity in pp collisions at √s=8 TeV collected by the CMS experiment at the LHC, is carried out in events with at least three leptons. Observed multilepton events are categorized into exclusive channels according to the amount of expected Standard Model background in order to increase the search sensitivity. The observations are consistent with Standard Model predictions. The search is interpreted in the context of a vector-like b' quark for different b' masses and for varying branching fractions to the bZ, tW, and bH final states. b' quarks with masses less than values in the range of 520-785 GeV, depending on the values of the branching fraction, are excluded at the 95% confidence level.
NotePh.D.
NoteIncludes bibliographical references
Noteby Christian Contreras-Campana
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3CV4KFH
Languageeng
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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