Search for the Rare Leptonic Decays \boldmath{\Blnu} ($\ell=e,μ$)

The BaBar Collaboration, Philip Clark

Research output: Contribution to journalArticlepeer-review


We have performed a search for the rare leptonic decays \Bp \to \ellp \nul ($l=e,\mu$), using data collected at the \FourS resonance by the \babar\ detector at the \pep2 storage ring. In a sample of 468 million \BB pairs we find no evidence for a signal and set an upper limit on the branching fractions $\BR(\bmunu)
Original languageEnglish
JournalPhysical Review D
Publication statusPublished - 6 Mar 2009


  • hep-ex

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