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Search for D⁰-D̄⁰ mixing in D⁰ --> K⁺ [pi]⁻ [pi]⁻ [pi]⁺ decays

Author(s)
Zheng, Yi, Ph. D. Massachusetts Institute of Technology
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Massachusetts Institute of Technology. Dept. of Physics.
Advisor
Richard K. Yamamoto.
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M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
We present results of a search for D⁰-D̄⁰ mixing by analyzing D⁰ --> K⁺ [pi]⁻ [pi]⁻ [pi]⁺ decays from events in 230.4 fb-1 e+e- data recorded by BABAR. Assuming CP conservation, we measure the time-integrated mixing rate RM = (0.0019 ... (stat.) ± 0.002 (syst.))%, and RM < 0.048% at 95% confidence. Using a frequentist method, we estimate that the data are consistent with no mixing at 4.3% confidence level. We present results both with and without the assumption of CP conservation.
Description
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2008.
 
In title on title page, "[pi]" in all instances appears as the lower case Greel letter and "-->" appears as a right arrow.
 
Includes bibliographical references (leaves 97-98).
 
Date issued
2008
URI
http://hdl.handle.net/1721.1/46657
Department
Massachusetts Institute of Technology. Department of Physics
Publisher
Massachusetts Institute of Technology
Keywords
Physics.

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