Analysis of radiative decays of charged B mesons to baryonic final states

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dc.contributor.authorStrube, Jan, 1978-
dc.date.accessioned2009-04-23T23:02:40Z
dc.date.available2009-04-23T23:02:40Z
dc.date.issued2008-09
dc.descriptionxxvi, 199 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.en
dc.description.abstractThe abundance of B mesons at B factories opens the door to the search in rare decays for physics outside of the Standard Model. Flavor-changing neutral current transitions proceed only via higher order in the Standard Model, resulting in a b [arrow right] s³y branching fraction of about 3 x 10 -4 , but hypothesized particles could alter the rate significantly. Decays of B mesons that proceed via this electroweak penguin diagram are an interesting example of flavor-changing neutral currents, due to the large number of accessible final states with observables that are sensitive to new processes. This dissertation describes the analyses of such decays B - [arrow right] p ³, B - [arrow right] £ 0 p ³, B - [arrow right] p and B - [arrow right] p using about 350 million B meson pairs recorded by the BABAR detector in the years 2001 through 2006. In addition to the decay rate, the distribution of the invariant mass of the baryon pair is presented, using a method for statistical unfolding. The analysis is the first of these decays at the BABAR experiment and lays the groundwork for future analyses of the branching fractions and angular correlations of b [arrow right] s decays containing A hyperons and other baryons at BABAR or higher luminosity B factories.en
dc.description.sponsorshipAdviser: James E. Brauen
dc.identifier.urihttps://hdl.handle.net/1794/9022
dc.language.isoen_USen
dc.publisherUniversity of Oregonen
dc.relation.ispartofseriesUniversity of Oregon theses, Dept. of Physics, Ph. D., 2008;
dc.subjectParticle physicsen
dc.subjectB mesonsen
dc.subjectBaryonic final statesen
dc.subjectCharged B mesonsen
dc.subjectRadiative decaysen
dc.titleAnalysis of radiative decays of charged B mesons to baryonic final statesen
dc.typeThesisen

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