tau lepton

noun Physics.
an unstable lepton with a mass approximately 3500 times that of the electron. Symbol: T
Also called tau, tauon.


Origin:
1975–80

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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.
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