A Search for $B\to \tau \nu$

T. E. Browder, CLEO Collaboration

We report results of a search for $B\to \tau \nu$ in a sample of 9.7 million charged $B$ meson decays. The search uses both $\pi \nu$ and $\ell \nu \bar{\nu }$ decay modes of the $\tau$, and demands exclu…