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    Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at s√=1.96  TeV

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    Abazov_2015_APS.pdf (318.3Kb)
    Issue Date
    2015-02-04
    Author
    D0 Collaboration
    Abazov, V. M.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Baringer, Philip S.
    Bean, Alice
    Chen, G.
    Clutter, Justace Randall
    Sekaric, Jadranka
    Wilson, Graham Wallace
    Publisher
    American Physical Society (APS)
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2015 American Physical Society
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    Abstract
    We present a measurement of the forward-backward asymmetry in the production of B± mesons, AFB(B±), using B±→J/ψK± decays in 10.4  fb−1 of pp¯ collisions at s√=1.96  TeV collected by the D0 experiment during Run II of the Tevatron collider. A nonzero asymmetry would indicate a preference for a particular flavor, i.e., b quark or b¯ antiquark, to be produced in the direction of the proton beam. We extract AFB(B±) from a maximum likelihood fit to the difference between the numbers of forward- and backward-produced B± mesons. We measure an asymmetry consistent with zero: AFB(B±)=[−0.24±0.41  (stat)±0.19  (syst)]%.
    URI
    http://hdl.handle.net/1808/22279
    DOI
    https://doi.org/10.1103/PhysRevLett.114.051803
    Collections
    • Physics and Astronomy Scholarly Works [1636]
    Citation
    Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., … Askew, A. (2015). Measurement of the Forward-Backward Asymmetry in the Production of B ± Mesons in p p ¯ Collisions at s = 1.96 TeV . Physical Review Letters, 114(5). doi:10.1103/physrevlett.114.051803

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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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