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    Measurement of B(d) mixing using opposite-side flavor tagging

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    Baringer_12-15-2006.pdf (557.1Kb)
    Issue Date
    2006-12-15
    Author
    Baringer, Philip S.
    Bean, Alice
    Coppage, Don
    Hensel, Carsten
    Moulik, Tania
    Wilson, Graham Wallace
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    We report on a measurement of the B(0)(d) mixing frequency and the calibration of an opposite-side flavor tagger in the D0 experiment. Various properties associated with the b quark on the opposite side of the reconstructed B meson are combined using a likelihood-ratio method into a single variable with enhanced tagging power. Its performance is tested with data, using a large sample of reconstructed semileptonic B→μD(0)X and B→μD∗X decays, corresponding to an integrated luminosity of approximately 1  fb(−1). The events are divided into groups depending on the value of the combined tagging variable, and an independent analysis is performed in each group. Combining the results of these analyses, the overall effective tagging power is found to be εD(2)=(2.48±0.21+0.08 −0.06)%. The measured B(0)(d) mixing frequency Δmd=0.506±0.020(stat)±0.016(syst)  ps(−1) is in good agreement with the world average value.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.74.112002.
    URI
    http://hdl.handle.net/1808/15379
    DOI
    https://doi.org/10.1103/PhysRevD.74.112002
    ISSN
    1550-7998
    Collections
    • Physics and Astronomy Scholarly Works [1530]
    Citation
    V. M. Abazov et al. (D0 Collaboration). (2006). "Measurement of B(d) mixing using opposite-side flavor tagging." Physical Review D, 74(11):112002. http://dx.doi.org/10.1103/PhysRevD.74.112002

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    KU Libraries
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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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