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Open Access item Searches for Lepton Flavor Violation in the Decays tau(+/-) -> e(+/-)gamma and tau(+/-) -> mu(+/-)gamma

Authors:Babar Collaboration
Azzolini, Virginia
López-March, Neus
Martínez-Vidal, Fernando
Milanés, Diego A.
Oyanguren, Arantza
Aubert, B.
Lees, J. P.
Issue Date:15-Jan-2010
Publisher:American Physical Society
Citation:Physical Review Letters 104 (2): 021802 (2010)
Abstract:Searches for lepton-flavor-violating decays of a tau lepton to a lighter mass lepton and a photon have been performed with the entire data set of (963 +/- 7) x 10(6) tau decays collected by the BABAR detector near the Y(4S), Y(3S) and Y(2S) resonances. The searches yield no evidence of signals and we set upper limits on the branching fractions of B(tau(+/-) -> e(+/-)gamma) < 3.3 X 10(-8) and B(tau(+/-) -> mu(+/-)gamma) < 4.4 X 10(-8) at 90% confidence level.
Publisher version (URL):http://dx.doi.org/ 10.1103/PhysRevLett.104.021802
URI:http://hdl.handle.net/10261/23212
ISSN:0031-9007
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Appears in Collections:(IFIC) Artículos

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