Lepton Flavour Violating $\tau$ decays

Abstract

Searches for lepton flavour violating $\tau$ $\ra$ lll and $\tau$ $\ra$ l$\gamma$ decays at the B-factories are presented. Upper limits on the branching ratios are obtained $\sim$ $O(10^{-7})$ at 90% confidence level.

arXiv commentTo appear in the proceedings of Lake Louise Winter Institute on Fundamental Interactions, Lake Louise, Alberta, Canada (LLWI, 15-21 Feb 2004)