Search for Lepton Flavor Violation in the Decay τ± → μ±γ

B Aubert, Matthew Barrett, Kelly Ford, Theresa Harrison, Alistair Hart, Christopher Hawkes, Sian Morgan, Alan Watson

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113 Citations (Scopus)


A search for the nonconservation of lepton flavor number in the decay tau(+/-) --> mu(+/-) has been performed using 2.07 x 10(8) e(+ )e(-) tau(+) tau(-) events produced at a center-of-mass energy near 10.58 GeV with the BABAR detector at the PEP-II storage ring. We find no evidence for a signal and set an upper limit on the branching ratio of Beta(tau(+/-) --> mu(+/-) gamma) <6.8 x 10(-8) at 90% confidence level.
Original languageEnglish
Pages (from-to)041802
Number of pages1
JournalPhysical Review Letters
Publication statusPublished - 1 Jan 2005


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