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neutrino oscillation |
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neutrino oscillation [nü¦trē·nō ‚äs·ə′lā·shən] (particle physics) A phenomenon in which a neutrino in one of the three known flavor states (electron neutrino, mu neutrino, or tau neutrino) becomes a mixture of flavor states that changes back and forth periodically as the neutrino travels through space; it will occur if neutrinos have mass and if each flavor state is a mixture of different mass states. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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They've found that neutrino oscillations can be described by a time-varying field that resembles the time-varying dark energy described in some models. That flip-flopping of identity, known as neutrino oscillation, implies that the particles have mass, physicists say. The idea of neutrino oscillations first surfaced in the late 1950s, a brainstorm of theorist Bruno Pontecorvo. |
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