Abstract
We have collected a 43 event sample of the decay with negligible backgrounds and measured its branching ratio to be . We see no evidence for violation in this decay. In addition, we set the confidence upper limit on the combined branching ratios for the lepton flavor violating decays at , assuming a uniform phase space distribution.
- Received 14 March 2001
DOI:https://doi.org/10.1103/PhysRevLett.87.111802
©2001 American Physical Society