Tau (particle)

Feynman diagram of the common decays of the tau by emission of a W boson.

The tau (τ), also called the tau lepton, tau particle, or tauon, is an elementary particle similar to the electron, with negative electric charge and a spin of ⁄₂. Together with the electron, the muon, and the three neutrinos, it is a lepton. Like all elementary particles with half-integral spin, the tau has a corresponding antiparticle of opposite charge but equal mass and spin, which in the tau's case is the antitau (also called the positive tau). Tau particles are denoted by τ− and the antitau by τ+.

单词	Tau Lepton
释义	Tau Lepton 原声例句经济学人 Science and technology Two of cern's detectors—atlas and cms—have recently announced hints of excesses in the production of this and other heavy fermions, notably bottom quarks and tau leptons. cern 的两个探测器——atlas 和 cms——最近宣布了这种和其他重费米子产生过量的迹象，特别是底夸克和 tau 轻子。英语百科 Tau (particle) The tau (τ), also called the tau lepton, tau particle, or tauon, is an elementary particle similar to the electron, with negative electric charge and a spin of ⁄₂. Together with the electron, the muon, and the three neutrinos, it is a lepton. Like all elementary particles with half-integral spin, the tau has a corresponding antiparticle of opposite charge but equal mass and spin, which in the tau's case is the antitau (also called the positive tau). Tau particles are denoted by τ− and the antitau by τ+.
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Tau Lepton

Tau (particle)