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

The BABAR Collaboration, B. Aubert

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…