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    Measurement of the WW production cross section in p(p)over-bar collisions at root(s)over-bar=1.96 TeV

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    Issue Date
    2005-04
    Author
    Baringer, Philip S.
    Bean, Alice
    Christofek, L.
    Coppage, Don
    Gardner, J.
    Hensel, Carsten
    Jabeen, S.
    Wilson, Graham Wallace
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
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    Abstract
    We present a measurement of the W boson pair-production cross section in p(p) over bar collisions at a center-of-mass energy of root s=1.96 TeV. The data, collected with the Run II D0 detector at Fermilab, correspond to an integrated luminosity of 224-252 pb(-1) depending on the final state (ee, e mu, or mu mu). We observe 25 candidates with a background expectation of 8.1 +/- 0.6(stat)+/- 0.6(syst)+/- 0.5(lum) events. The probability for an upward fluctuation of the background to produce the observed signal is 2.3x10(-7), equivalent to 5.2 standard deviations. The measurement yields a cross section of 13.8(-3.8)(+4.3)(stat)(-0.9)(+1.2)(syst)+/- 0.9(lum) pb, in agreement with predictions from the standard model.
    URI
    http://hdl.handle.net/1808/1573
    DOI
    https://doi.org/10.1103/PhysRevLett.94.151801
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    Abazov, VM; Abbott, B, et al. Measurement of the WW production cross section in p(p)over-bar collisions at root(s)over-bar=1.96 TeV. PHYSICAL REVIEW LETTERS. April 2005. 94(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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