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Tau
A tau is a negatively charged elementary particle with spin ½.
Explanation
The Tau is a lepton of the third generation and is about 3477 times as heavy as an electron. The corresponding antiparticle is the antitau. Taus and antitaus are fermions.
T a u s τ−
tauτ+
antitau
HistoryThe name "tau" (Greek: three) refers to the third generation. The tau-lepton was discovered in 1970 by the American physicist Martin Lewis Perl (1927 - 2014). |