Neutrinos were first detected in 1956 by Fred Reines of the University of California at Irvine and the late George Cowan. The findings, reported at the Neutrino 98 meeting in Takayama, Japan and submitted to Physical Review Letters, have important implications for both cosmology and particle physics. Results from the SuperKamiokande experiment in Japan suggest that neutrinos have a mass of 0.1 eV or greater, compared with about 0.5 MeV for the electron. Webinars Tune into online presentations that allow expert speakers to explain novel tools and applicationsĪ team of US and Japanese physicists has obtained convincing evidence that neutrinos have mass, finally settling one of the most fundamental questions in particle physics.

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Definition of neutrino