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    Search for narrow t(t)over-bar resonances in p(p)over-bar collisions at root s=1.8 TeV

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    GetPDFServlet35.pdf (191.4Kb)
    Issue Date
    2004-06
    Author
    Baringer, Philip S.
    Bean, Alice
    Coppage, Don
    Hebert, C.
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
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    Abstract
    A search for narrow resonances that decay into t (t) over bar pairs has been performed using 130 pb(-1) of data in the lepton + jets channel collected by the DO detector in p (p) over bar collisions at roots=1.8 TeV. There is no significant deviation observed from the standard-model predictions at a top-quark mass of 175 GeV/c(2). We therefore present upper limits at the 95% confidence level on the product of the production cross section and branching fraction to t (t) over bar for narrow resonances as a function of the resonance mass M-X. These limits are used to exclude the existence of a leptophobic top-color particle with mass M-X<560 GeV/c(2), using a theoretical cross section for a width Gamma(X)=0.012M(X).
    URI
    http://hdl.handle.net/1808/1544
    DOI
    https://doi.org/10.1103/PhysRevLett.92.221801
    Collections
    • Physics & Astronomy Scholarly Works [1715]
    Citation
    Abazov, VM; Abbott, B, et al. Search for narrow t(t)over-bar resonances in p(p)over-bar collisions at root s=1.8 TeV. PHYSICAL REVIEW LETTERS. June 2004. 92(22)

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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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