News of the WeekParticle Physics

Elusive Particle Leaves Telltale Trace

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Science  28 Jul 2000:
Vol. 289, Issue 5479, pp. 527
DOI: 10.1126/science.289.5479.527

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Summary

Nearly massless and incredibly rare, the tau neutrino seldom interacts with more common matter, making it difficult to detect. Now, an international team of physicists has laid claim to the first "direct" detection of the tau neutrino.