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A search for large extra dimensions in the non-resonant diphoton channel with 35.9fb^-1 of sqrt{s} = 13 TeV LHC data
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Kaplan, Steven M. A search for large extra dimensions in the non-resonant diphoton channel with 35.9fb^-1 of sqrt{s} = 13 TeV LHC data. Retrieved from https://doi.org/doi:10.7282/T37W6GC7

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TitleA search for large extra dimensions in the non-resonant diphoton channel with 35.9fb^-1 of sqrt{s} = 13 TeV LHC data
NameKaplan, Steven M (author); Chou, John Paul (chair); Gilman, Ronald (internal member); Friedan, Daniel (internal member); Schnetzer, Stephen (internal member); Palmer, Christopher (outside member); Rutgers University; School of Graduate Studies
Date Created2017
Other Date2017-10 (degree)
SubjectPhysics and Astronomy
Extent1 online resource (xviii, 119 p. : ill.)
DescriptionA search for large extra dimensions in the diphoton final state using the interpretation of the ADD model is presented. The analysis is performed using 35.9fbinv of data from proton-proton collisions during Run II of the Large Hadron Collider that was recorded by the Compact Muon Solenoid detector in the year 2016. The center of mass energy of the proton-proton system was 13TeV. Events from both data and the Standard Model diphoton background monte-carlo simulation are selected by a cut-based photon identification that has been tuned for photons with high transverse momentum. The simulated Standard Model diphoton events are corrected to NNLO precision by a k-factor calculated by MCFM. The contribution from events with one or two jets misidentified as photons is derived by a data-driven method. The observed data are consistent with the Standard Model. Limits on the ultraviolet cutoff parameter of the ADD model of large extra dimensions MS are calculated as a function of the number of extra dimensions n in the GRW, HLZ, and Hewett conventions for the dependence of the total cross section on MS. In the GRW convention, we observe a 95\% lower limit on MS of 7.6TeV.
NotePh.D.
NoteIncludes bibliographical references
Noteby Steven M. Kaplan
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T37W6GC7
Languageeng
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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