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    Search for Flavor-Changing-Neutral-Current D Meson Decays

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    Baringer_3-14-2008.pdf (257.8Kb)
    Issue Date
    2008-03-14
    Author
    Baringer, Philip S.
    Bean, Alice
    Hensel, Carsten
    Moulik, Tania
    Wilson, Graham Wallace
    Abazov, V. M.
    Abbott, B.
    Abolins, M.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    We study the flavor-changing-neutral-current process c→uμ(+)μ(−) using 1.3  fb(−1) of pp-bar collisions at s√=1.96  TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We see clear indications of the charged-current mediated D(+)s and D(+)→ϕπ(+)→μ(+)μ(−)π(+) final states with significance greater than 4 standard deviations above background for the D+ state. We search for the continuum neutral-current decay of D(+)→π(+)μ(+)μ(−) in the dimuon invariant mass spectrum away from the ϕ resonance. We see no evidence of signal above background and set a limit of B(D(+)→π(+)μ(+)μ(−))<3.9×10−6 at the 90% C.L. This limit places the most stringent constraint on new phenomena in the c→uμ(+)μ(−) transition.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.100.101801.
    URI
    http://hdl.handle.net/1808/15495
    DOI
    https://doi.org/10.1103/PhysRevLett.100.101801
    ISSN
    0031-9007
    Collections
    • Physics & Astronomy Scholarly Works [1715]
    Citation
    V. M. Abazov et al. (D0 Collaboration). (2008). "Search for Flavor-Changing-Neutral-Current D Meson Decays." Physical Review Letters, 100(10):101801. http://dx.doi.org/10.1103/PhysRevLett.100.101801.

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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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