Twenty‐five years after the discovery of the tau lepton its neutrino has at long last been detected. At a Fermilab seminar in July, Byron Lundberg of the international DONUT (Direct Observation of Nu Tau) collaboration reported that five months of exposing a photographic‐emulsion target to an intense neutrino beam from the Tevatron had netted four identifiable interactions.
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© 2000 American Institute of Physics.
2000
American Institute of Physics