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MEASUREMENT OF BOOSTED DIFFERENTIAL TOP QUARK PAIR PRODUCTION CROSS SECTION AT 13 TEV WITH THE CMS DETECTOR

dc.contributor.authorDittmer, Susan J.
dc.contributor.chairThom-Levy, Julia
dc.contributor.committeeMemberPerelstein, Maxim
dc.contributor.committeeMemberWittich, Peter
dc.date.accessioned2018-10-03T19:27:46Z
dc.date.available2018-10-03T19:27:46Z
dc.date.issued2017-12-30
dc.description.abstractThis thesis describes a measurement of the differential top quark pair production cross section for top quarks with high transverse momentum (pt) in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurement is performed using data collected by the CMS experiment during the 2016 data-taking period, corresponding to an integrated luminosity of 35.9 fb-1. The measurement is performed using events where one top quark decays hadronically and is reconstructed as a single large-radius t jet with pt > 400 GeV, while the other top quark decays leptonically to a b jet, an electron or a muon, and a neutrino. Jet substructure techniques are used to identify the large-radius jet as a t jet candidate. The measurement demonstrates that current simulations overpredict the rate of top quark pair production at high pt, providing valuable feedback on the accuracy of current simulation.
dc.identifier.doihttps://doi.org/10.7298/X489142S
dc.identifier.otherDittmer_cornellgrad_0058F_10698
dc.identifier.otherhttp://dissertations.umi.com/cornellgrad:10698
dc.identifier.otherbibid: 10474199
dc.identifier.urihttps://hdl.handle.net/1813/59096
dc.language.isoen_US
dc.subjectboosted
dc.subjectParticle physics
dc.subjecttop quark
dc.subjectCMS
dc.subjectLHC
dc.subjectcross section
dc.subjectsemileptonic
dc.titleMEASUREMENT OF BOOSTED DIFFERENTIAL TOP QUARK PAIR PRODUCTION CROSS SECTION AT 13 TEV WITH THE CMS DETECTOR
dc.typedissertation or thesis
dcterms.licensehttps://hdl.handle.net/1813/59810
thesis.degree.disciplinePhysics
thesis.degree.grantorCornell University
thesis.degree.levelDoctor of Philosophy
thesis.degree.namePh. D., Physics

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