A Search for Lepton-Flavor Violation at BaBar
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Chris Brown, University of Victoria, 

A search for lepton-flavor violation has been performed in the tau
decay modes tau to mu gamma and tau to lll by the BaBar collaboration.
The observed rates in all decay modes are consistent with background
expectations. Upper limits at 90% confidence level on the allowed
branching fractions are found to be Br(tau to mu gamma)=2.0 x 10-6 and
range from (1 - 3) x 10-7 for the six different tau to lll final states.