A Search for Neutrinoless Tau Decays to Three Leptons
- Univ. of Oregon, Eugene, OR (United States)
Using approximately 350 million τ+τ- pair events recorded with the BaBar detector at the Stanford Linear Accelerator Center between 1999 and 2006, a search has been made for neutrinoless, lepton-flavor violating tau decays to three lighter leptons. All six decay modes consistent with conservation of electric charge and energy have been considered. With signal selection efficiencies of 5-12%, we obtain 90% confidence level upper limits on the branching fraction β}(τ → ℓℓℓ) in the range (4-8) x 10-8.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 938633
- Report Number(s):
- SLAC-R-907; TRN: US0806169
- Country of Publication:
- United States
- Language:
- English
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