EDUCATION: Hunting a Ghostly Particle

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Science  29 Nov 2002:
Vol. 298, Issue 5599, pp. 1685
DOI: 10.1126/science.298.5599.1685e

Raymond Davis and Masatoshi Koshiba shared this year's Nobel Prize in physics for their ingenious underground experiments that trapped neutrinos, wispy subatomic particles that might have no mass. Although it hasn't been updated recently, this site by a French researcher provides a good brief history of the pursuit of these ghostly particles. German physicist Wolfgang Pauli predicted the existence of neutrinos in 1930, but scientists did not detect their spoor until 1956. The site also offers plenty of information about various neutrino-capturing projects, many of which are ensconced underground in order to screen out extraneous particles.

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