Theses and Dissertations from UMD

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New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a give thesis/dissertation in DRUM

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Author: search.filters.author.Kovalskyi, DmytroSubject: search.filters.subject.CP violation

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    Search for physics beyond the Standard Model using measurements of CP violating asymmetries in rare B decays: B0->Ks pi0 and B0->Ks pi0 gamma
    (2005-12-05) Kovalskyi, Dmytro; Jawahery, Abolhassan; Physics; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    This dissertation presents measurements of time-dependent CP violating asymmetries in the decays B0->KsPi0 and B0->KsPi0Gamma based on RUN 1-4 data collected with the BABAR detector at the Upsilon(4S) resonance operating at the PEP-II asymmetric e+e- collider at SLAC. It was found that the CP violating asymmetry parameters are S(KsPi0)=0.35+/-0.32+/-0.04, C(KsPi0)=0.06+/-0.18+/-0.03, S(KstarGamma)=-0.21+/-0.40+/-0.05, C(KstarGamma)=-0.40+/-0.23+/-0.03, S(KsPi0Gamma)=-0.9+/-1.0+/-0.2, C(KsPi0Gamma)=-1.0+/-0.5+/-0.2, where B0->KstarGamma decays correspond to the KsPi0 invariant mass interval of [0.8,1.0] GeV and B0->KsPi0Gamma of [1.1,1.8] GeV. All results are consistent with the Standard Model predictions.