tau particle

British  

noun

1. physics another name for tauon

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tau particle Scientific  

1. An elementary particle of the lepton family, having a mass about 3,550 times that of the electron, a negative electric charge, and a mean lifetime of 3 × 10 ^{- 13} seconds.

2. See Table at subatomic particle

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Example Sentences

The group of particles known as fermions consists of two types: quarks, which make up protons and neutrons; and leptons, namely, the electron, muon, tau particle and neutrino.

From Nature