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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52870

    Title: Anomalous CP-violation in B(s)-(B)over-bar(s) mixing due to a light spin-one particle
    Authors: Oh,S;Tandean,J
    Contributors: 物理學系
    Date: 2011
    Issue Date: 2012-06-11 10:47:49 (UTC+8)
    Publisher: 國立中央大學
    Abstract: The recent measurement of the like-sign dimuon charge asymmetry in semileptonic b-hadron decays by the D0 Collaboration is about three sigmas away from the standard-model prediction, hinting at the presence of CP-violating new physics in the mixing of B(s) mesons. We consider the possibility that this anomalous result arises from the contribution of a light spin-1 particle. Taking into account various experimental constraints, we find that the effect of such a particle with mass below the b-quark mass can yield a prediction consistent with the anomalous DO measurement within its one-sigma range. (C) 2011 Elsevier B.V. All rights reserved.
    Appears in Collections:[物理學系] 期刊論文

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