Search for Direct Top Squark Pair Production via the Fully Hadronic Final State from proton-proton Collisions at sqrt(s) = 13 TeV

dc.contributor.advisorEcklund, Karl M.en_US
dc.creatorZabel, James Roberten_US
dc.date.accessioned2017-08-01T18:55:33Zen_US
dc.date.available2017-08-01T18:55:33Zen_US
dc.date.created2017-05en_US
dc.date.issued2017-04-21en_US
dc.date.submittedMay 2017en_US
dc.date.updated2017-08-01T18:55:33Zen_US
dc.description.abstractA search for direct pair production of top squarks, the hypothetical supersymmetric partner to the top quark, in proton-proton collisions is presented for two scenarios each requiring jets and a large transverse momentum imbalance. The CMS detector observed the proton-proton collisions which were generated by the LHC with a center- of-mass energy of 13 TeV. The two scenarios include, a “low ∆m” analysis targeting very small mass differences between the top squark and the neutralino, and a “high ∆m” analysis targeting topologies typical for larger mass splittings. Using data collected during operations in 2015 corresponding to an integrated luminosity of 12.9 /fb, no significant excess of events above the expected standard model background processes is observed. Exclusion limits are set in the context of simplified models of top squark pair production under various decay hypotheses.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationZabel, James Robert. "Search for Direct Top Squark Pair Production via the Fully Hadronic Final State from proton-proton Collisions at sqrt(s) = 13 TeV." (2017) Diss., Rice University. <a href="https://hdl.handle.net/1911/96126">https://hdl.handle.net/1911/96126</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/96126en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectLHCen_US
dc.subjectCMSen_US
dc.subject13 TeVen_US
dc.subjectsearchen_US
dc.subjecttop squarken_US
dc.subjectsupersymmetryen_US
dc.subjectparticle physicsen_US
dc.subjectstandard modelen_US
dc.titleSearch for Direct Top Squark Pair Production via the Fully Hadronic Final State from proton-proton Collisions at sqrt(s) = 13 TeVen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysics and Astronomyen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.majorPhysicsen_US
thesis.degree.nameDoctor of Philosophyen_US
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