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    Observation of radiative leptonic decay of the tau lepton

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    Issue Date
    2000-01
    Author
    Ammar, Raymond G.
    Baringer, Philip S.
    Bean, Alice
    Besson, David Zeke
    Davis, Robin E. P.
    Kotov, S.
    Kravchenko, I.
    Kwak, Nowhan
    Zhao, X.
    Publisher
    AMERICAN PHYSICAL SOC
    Type
    Article
    Published Version
    http://publish.aps.org/
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    Abstract
    Using 4.68 fb(-1) of e(+) e(-) annihilation data collected with the CLEO II detector at the Cornell Electron Storage Ring, we have studied tau radiative decays tau(-) --> nu(tau)mu(-)<<(nu)over bar>(mu)gamma and tau- --> nu(tau)e(-)<(nu)over bar>(e)gamma. For a 10 MeV minimum photon energy in the tau rest frame, the branching fraction for radiative tau decay to a muon or electron is measured to be (3.61 +/- 0.16 +/- 0.35) x 10(-3) or (1.75 +/- 0.06 +/- 0.17) x 10(-2), respectively. The branching fractions are in agreement with standard model theoretical predictions.
    URI
    http://hdl.handle.net/1808/1348
    Collections
    • Physics and Astronomy Scholarly Works [1546]
    • Center for Russian, East European, and Eurasian Studies Scholarly Publications [557]
    Citation
    Bergfeld, T, Eisenstein, BI, et al. Observation of radiative leptonic decay of the tau lepton. PHYSICAL REVIEW LETTERS. January 2000. 84(5) : 830-834

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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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