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    First search for the flavor changing neutral current decay D-0 -> gamma gamma

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    e101801.pdf (97.28Kb)
    Issue Date
    2003-03
    Author
    Ammar, Raymond G.
    Besson, David Zeke
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
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    Abstract
    Using 13.8 fb(-1) of data collected at or just below the Y(4S) with the CLEO detector, we report the result of a search for the flavor changing neutral current process D-0 --> gammagamma. We observe no significant signal for this decay mode and determine 90% confidence level upper limits on the branching fractions B(D-0 --> gammagamma)/B(D-0 --> pi(0)pi(0)) < 0.033 and B(D-0 --> gammagamma) < 2.9 x 10(-5).
    URI
    http://hdl.handle.net/1808/1356
    Collections
    • Physics and Astronomy Scholarly Works [1636]
    • Center for Russian, East European, and Eurasian Studies Scholarly Publications [557]
    Citation
    Coan, TE, Gao, YS, et al. First search for the flavor changing neutral current decay D-0 -> gamma gamma. AMERICAN PHYSICAL SOC. March 1998. 90(10)

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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