tau lepton

noun, Physics.
1.
an unstable lepton with a mass approximately 3500 times that of the electron. Symbol: T.
Also called tau, tauon.
Origin
1975-80
Examples from the web for tau lepton
  • We used a beam enhanced in tau neutrinos and photographic emulsion to identify the tau lepton produced in the interaction.
  • In the standard electroweak theory, the tau lepton belongs to the same family as electrons and muons.