Search for Lepton Flavor Violation in the Decay tau -> electron gamma

Abstract

A search for the non-conservation of lepton flavor in the decay tau -> electron gamma has been performed with 2.07 x 10^8 e+e- -> tau+ tau- events collected by the BABAR detector at the PEP-II storage ring at a center-of-mass energy near 10.58 GeV. We find no evidence for a signal and set an upper limit on the branching ratio of BR(tau -> electron gamma) < 1.1 x 10^-7 at 90% confidence level.

7 pages, 3 encapsulated postscript figures, submitted to PRL

References in corpus (3)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Search for Lepton Flavor Violation in the Decay tau -> mu gamma
• Search for tau -> e gamma decay at Belle

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