Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1849476 | Nuclear Physics B - Proceedings Supplements | 2008 | 5 Pages |
Abstract
Recent results and the current situation on the search for lepton-flavor-violating τ decays are presented. B-factories have successfully accumulated data samples of >109τ pairs, and recently performed searches for τ→3ℓ, ℓV0 and ℓf0(980). The upper limit of the branching ratio was obtained to be ∼O(10−8). The results have ruled out some parts of the parameter space for the models beyond the Standard Model, such as the SUSY+seesaw mechanism.
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