News of the WeekParticle Physics

Japanese Detector Brings Neutrinos Into Sharper Focus

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Science  16 Jul 2004:
Vol. 305, Issue 5682, pp. 325
DOI: 10.1126/science.305.5682.325

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In 1998, the Super-Kamiokande Collaboration found that neutrinos generated in Earth's atmosphere were changing into a "flavor" their detector could not observe. Now, the team has observed the neutrinos changing back.