Searches for Lepton Flavor Violation in the Decays tau+- ---> e+- gamma and tau+- ---> mu+- gamma
Journal Article
·
· Phys.Rev.Lett.104:021802,2010
Searches for lepton-flavor-violating decays of a {tau} lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 {+-} 7) x 10{sup 6} {tau} decays collected by the BABAR detector near the {Upsilon}(4S), {Upsilon}(3S) and {Upsilon}(2S) resonances. The searches yield no evidence of signals and they set upper limits on the branching fractions of {Beta}({tau}{sup {+-}} {yields} e{sup {+-}}{gamma}) < 3.3 x 10{sup -8} and {Beta}({tau}{sup {+-}} {yields} {mu}{sup {+-}}{gamma}) < 4.4 x 10{sup -8} at 90% confidence level.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC)
- Sponsoring Organization:
- DOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 981672
- Report Number(s):
- SLAC-PUB-13753; arXiv:0908.2381
- Journal Information:
- Phys.Rev.Lett.104:021802,2010, Journal Name: Phys.Rev.Lett.104:021802,2010 Journal Issue: 2 Vol. 104; ISSN 1079-7114; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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