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Search for pair-produced heavy fourth-generation bottom-like quarks decaying to bZ and tW in 8,TeV proton-proton collisions with multilepton final states
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Arora, Sanjay R.. Search for pair-produced heavy fourth-generation bottom-like quarks decaying to bZ and tW in 8,TeV proton-proton collisions with multilepton final states. Retrieved from https://doi.org/doi:10.7282/T3R2101F

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TitleSearch for pair-produced heavy fourth-generation bottom-like quarks decaying to bZ and tW in 8,TeV proton-proton collisions with multilepton final states
NameArora, Sanjay R. (author); Lath, Amitabh (chair); Kojima, Haruo (internal member); Kalelkar, Mohan (internal member); Shapiro, Joel (internal member); Haas, Andy (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2013
Other Date2013-05 (degree)
SubjectPhysics and Astronomy, Particles (Nuclear physics), Protons, Quarks
Extentxxi, 152 p. : ill.
DescriptionWe present a search for anomalous production of events with three or more isolated leptons produced in proton-proton collisions at 8 TeV collected by the CMS experiment at the LHC. We analyze 9.2 /fb of data collected by the CMS experiment during the 2012 LHC run. We categorize observed multilepton events into exclusive search channels based on various quantities based on the identity and kinematics of the objects in the events. The search channels are ordered by the amount of expected Standard Model background. Explicit use of requirements such as missing transverse energy or total hadronic energy is avoided. We emphasize data-based estimation of the Standard Model backgrounds, but also use simulation to estimate some of the backgrounds when appropriate. We interpret search results in the context of a model involving the exotic bottom-like quark bprime decaying to two different modes bZ and tW with varying branching ratios. We derive exclusion limits as a function of the bprime mass as well as the branching ratios.
NotePh.D.
NoteIncludes bibliographical references
Noteby Sanjay R. Arora
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3R2101F
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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