Abstract
We present a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between 1.5 × 10- 8 and 2.7 × 10- 8.
| Original language | English |
|---|---|
| Pages (from-to) | 139-143 |
| Number of pages | 5 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 687 |
| Issue number | 2-3 |
| DOIs | |
| State | Published - 12 Apr 2010 |
| Externally published | Yes |
Keywords
- B factory
- Lepton flavor violation
- Tau
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