Search for lepton flavour number violating Z(0)-decays
- A search for lepton flavour number violating Z0 decays in the channels Z0 → μτ, Z0 → eτ, Z0 → eμ, using the DELPHI detector with data collected during the 1991-94 LEP runs, is described. No signal was found. Upper limits at 95% confidence level for the respective branching fractions of 1.2 × 10-5, 2.2 × 10-5, and 0.25 × 10-5, were obtained. © Springer-Verlag 1997.
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