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Search for the Rare Leptonic Decay B+→μ+νμ

Aubert, B. et al. (2004) Search for the Rare Leptonic Decay B+→μ+νμ. Physical Review Letters, 92 (22). p. 221803. ISSN 0031-9007

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We have performed a search for the rare leptonic decay B+→μ+νμ with data collected at the Υ(4S) resonance by the BABAR experiment at the PEP-II storage ring. In a sample of 88.4×106 BB̅ pairs, we find no significant evidence for a signal and set an upper limit on the branching fraction B(B+→μ+νμ)<6.6×10-6 at the 90% confidence level.

Item Type: Article
Additional Information: Please also see Errata
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 07 Apr 2011 09:14
Last Modified: 07 Apr 2011 09:14


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