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tauon
Variant of tau particle
Particle Physics an unstable, negatively charged lepton with a mass of c. 1,777 MeV/c (or c. 3,490 times that of an electron) and a mean lifetime of 2.2 ×10 second
also called tau lepton or tauon
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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