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    Measurements of the exclusive decays of the Upsilon(5S) to B meson final states and improved B-s(*) mass measurement

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    Issue Date
    2006-04
    Author
    Besson, David Zeke
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
    Published Version
    http://publish.aps.org/
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    Abstract
    Using 420 pb(-1) of data collected on the Upsilon(5S) resonance with the CLEO III detector, we reconstruct B mesons in 25 exclusive decay channels to measure or set upper limits on the decay rate of Upsilon(5S) into B meson final states. We measure the inclusive B cross section to be sigma(Upsilon(5S)-> BB(X))=(0.177 +/- 0.030 +/- 0.016) nb and make the first measurements of the production rates of sigma(Upsilon(5S)-> (BB*)-B-*)=(0.131 +/- 0.025 +/- 0.014) nb and sigma(Upsilon(5S)-> BB*)=(0.043 +/- 0.016 +/- 0.006) nb, respectively. We set 90% confidence level limits of sigma(Upsilon(5S)-> BB)< 0.038 nb, sigma(Upsilon(5S)-> B((*))B((*))pi)< 0.055 nb and sigma(Upsilon(5S)-> BB pi pi)< 0.024 nb. We also extract the most precise value of the B-s(*) mass to date, M(B-s(*))=(5411.7 +/- 1.6 +/- 0.6) MeV/c(2).
    URI
    http://hdl.handle.net/1808/1408
    Collections
    • Center for Russian, East European, and Eurasian Studies Scholarly Publications [546]
    • Physics & Astronomy Scholarly Works [1744]
    Citation
    Aquines, O, Li, Z, et al. Measurements of the exclusive decays of the Upsilon(5S) to B meson final states and improved B-s(*) mass measurement. PHYSICAL REVIEW LETTERS. April 2006. 96(15)

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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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