Search for the Rare Leptonic Decay B+ -> mu+ nu{sub mu}
We have performed a search for the rare leptonic decay B{sup +} {yields} {mu}{sup +}{nu}{sub {mu}} with data collected at the {Upsilon}(4S) resonance by the BABAR experiment at the PEP-II storage ring. In a sample of 88.4 million B{bar B} pairs, we find no significant evidence for a signal and set an upper limit on the branching fraction {Beta}(B{sup +} {yields} {mu}{sup +} {nu}{sub {mu}}) < 6.6 x 10{sup -6} at the 90% confidence level.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (US)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 826738
- Report Number(s):
- SLAC-PUB-10296; TRN: US0404150
- Resource Relation:
- Other Information: PBD: 6 Jan 2004
- Country of Publication:
- United States
- Language:
- English
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