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Search for hadronic resonances in multijet final states with the CDF detector
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Seitz, Claudia. Search for hadronic resonances in multijet final states with the CDF detector. Retrieved from https://doi.org/doi:10.7282/T30V8CF4

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TitleSearch for hadronic resonances in multijet final states with the CDF detector
NameSeitz, Claudia (author); Halkiadakis, Eva (chair); Schnetzer, Steve (internal member); Strassler, Matthew J (internal member); Rutgers University; Graduate School - New Brunswick
Date Created2011
Other Date2011-01 (degree)
SubjectPhysics and Astronomy, Hadrons, Quantum theory, Resonance
Extentx, 77 p. : ill.
DescriptionThis thesis describes a search for a new hadronic resonance in 3.2 fb [superscript]-1of data using the Collider Detector at Fermilab. The Fermilab Tevatron accelerator collides beams of protons and antiprotons at a center of mass energy of [square root] 8 = 1.96 TeV. A unique approach is presented to extract multijet resonances from the large QCD background. Although the search is model independent, a pair produced supersymmetric gluino decaying through R-parity violation into three partons each is used to test our sensitivity to new physics. We measure these partons as jets, and require a minimum of six jets in an event. We make use of the kinematic features and correlations and use an ensemble of jet combinations to distinguish signal from multijet QCD backgrounds. Our background estimates also include all-hadronic tt[bar] decays that have a signature similar to signal. We observe no significant excess in an invariant mass range of 77 GeV/c [superscript]2 to 240 GeV/c[superscript]2 and place 95 % C.L. limits on [sigma](pp[bar] [right arrow] [tilde]g[tilde]g [right arrow] 3jets + 3jets) as a function of gluino invariant mass.
NoteM.S.
NoteIncludes bibliographical references
Noteby Claudia Seitz
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/T30V8CF4
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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