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Searches for lepton flavor violation in the decays τ±→ e±γ and τ±→μ±γ

Abstract:
Searches for lepton-flavor-violating decays of a τ lepton to a lighter mass lepton and a photon have been performed with the entire data set of (963±7)×106τ decays collected by the BABAR detector near the Υ(4S), Υ(3S) and Υ(2S) resonances. The searches yield no evidence of signals and we set upper limits on the branching fractions of B(τ±→e±γ)<3.3×10-8 and B(τ±→μ±γ)<4.4×10-8 at 90% confidence level. © 2010 The American Physical Society.

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Authors


Karyotakis, Y More by this author
Poireau, V More by this author
Prencipe, E More by this author
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Journal:
Physical Review Letters
Volume:
104
Issue:
2
Publication date:
2010-01-14
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:b399091d-cd2b-490d-bf25-2c099c5dd0dc
Source identifiers:
211426
Local pid:
pubs:211426
Language:
English

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