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Kaon content of three-prong decays of the tau lepton [electronic resource].

Published:
Washington, D.C : United States. Dept. of Energy. Office of Energy Research, 1990.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: (115 pages) : digital, PDF file
Additional Creators:
Lawrence Livermore National Laboratory, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
We present a series of measurements involving the production of charged kaons in three-prong hadronic decays of the τ lepton. The data sample was obtained with the TPC/Two-Gamma detector facility at PEP. We set a limit on the branching fraction BR(τ{sup −} → ν{sub τ}K{sup −}K°) < 0.26% at the 95% confidence level. The process τ{sup −} → ν{sub τ}K{sup −}K° is related via SU(3) to the second-class current decay τ{sup −} → ν{sub τ}π{sup −}η. We also present new measurements of the three-prong branching fractions BR(τ{sup −} → ν{sub τ}K{sup −}π⁺π{sup −} + neutrals) = 0.70 (+0.20/−0.17)% and BR(τ{sup −} → ν{sub τ}K{sup −}K⁺π{sup −} + neutrals) = 0.16 (+0.10/−0.07)%. 68 refs., 29 figs., 15 tabs.
Report Numbers:
E 1.99:lbl-30035
lbl-30035
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
12/01/1990.
"lbl-30035"
"DE91007647"
Eastman, J.J.
Funding Information:
AC03-76SF00098
View MARC record | catkey: 14715046