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    Observation of (B)over-bar(0)-> D-0 pi(0) and (B)over-bar(0)-> D*(0)pi(0)

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    e062001.pdf (134.9Kb)
    Issue Date
    2002-02
    Author
    Ammar, Raymond G.
    Besson, David Zeke
    Zhou, X.
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
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    Abstract
    We have studied the color-suppressed hadronic decays of neutral B mesons into the final states D-(*()0)pi(0). Using 9.67 x 10(6) B (B) over bar pairs collected with the CLEO detector, we observe the decays (B) over bar (0) --> D(0)pi(0) and (B) over bar (0) --> D*(0)pi(0) with the branching fraction B((B) over bar (0) --> D(0)pi(0)) = (2.74(-0.32)(+0.36) +/- 0.55) x 10(-4) and B((B) over bar (0) --> D*0pi0') = (2.20(-0.52)(+0.59) +/- 0.79) x 10(-4). The first error is statistical and the second systematic. The statistical significance of the D(0)pi(0) signal is 12.1sigma (5.9sigma for D*(0)pi(0)). Utilizing the (B) over bar (0) --> D-(*()0)pi(0) branching fractions we determine the strong phases delta(I,D(*)) between isospin 1/2 and 3/2 amplitudes in the Dpi and D*pi final states to be cosdelta(I,D) = 0.89 +/- 0.08 and cosdelta(I,D*) = 0.89 +/- 0.08, respectively.
    URI
    http://hdl.handle.net/1808/1328
    Collections
    • Physics & Astronomy Scholarly Works [1711]
    • Center for Russian, East European, and Eurasian Studies Scholarly Publications [546]
    Citation
    Coan, TE, Gao, YS, et al. Observation of (B)over-bar(0)-> D-0 pi(0) and (B)over-bar(0)-> D*(0)pi. PHYSICAL REVIEW LETTERS. February 2002. 88(6)

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    KU Libraries
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    Lawrence, KS 66045
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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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