D(0) Decays From Electron-Positron Collisions: Precision, Rare and Substructure Results
Bergfeld, Timothy John
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https://hdl.handle.net/2142/80686
Description
Title
D(0) Decays From Electron-Positron Collisions: Precision, Rare and Substructure Results
Author(s)
Bergfeld, Timothy John
Issue Date
2000
Doctoral Committee Chair(s)
Selen, Mats A.
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Elementary Particles and High Energy
Language
eng
Abstract
Three analyses of D0 meson decays are presented which use the data collected with the CLEO II detector at the Cornell Electron Storage Ring. First, a precision measurement of the ratio of the D0 → K-pi +pi0 branching fraction to that of D 0 → K-pi+ is performed resulting in the best measurement to date. Second, a detailed high statistics study of the underlying resonant structure of the three body decay, D0 → K -pi+pi0, is carried out. The resulting Dalitz plot is well fit by the inclusion of seven resonances, along with a non-resonant three body decay component. Finally a search for the radiative decays of the D0 meson is presented along with the four upper limits obtained.
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