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    Production cross section and topological decay branching fractions of the τ lepton

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    Baringer_8-1-1989.pdf (144.1Kb)
    Issue Date
    1989-08-01
    Author
    Baringer, Philip S.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    We report new measurements of the production cross section for the reaction e(+)e(−)→τ(+)τ(−) at s√=29 GeV, as well as the topological decay branching fractions of the τ lepton. The data were taken with the High Resolution Spectrometer at the SLAC e(+)e(−) colliding-beam facility PEP. The measured cross section yields Rττ=1.044±0.014±0.030 [where the first (second) error is statistical (systematic)], consistent with QED and corresponding to QED cutoff parameters of Λ+>129 GeV and Λ−>284 GeV at the 95% C.L. The fractions of τ decays into one and three charged particles are B1=0.864±0.003±0.003 and B3=0.135±0.003±0.003.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.40.902.
    URI
    http://hdl.handle.net/1808/15239
    DOI
    https://doi.org/10.1103/PhysRevD.40.902
    ISSN
    1550-7998
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    Baringer, Philip S. et al. (1989). "Production cross section and topological decay branching fractions of the τ lepton." Physical Review D, 1989(40):902. http://dx.doi.org/10.1103/PhysRevD.40.902

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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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