tau

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tau

(τ) The 19th letter of the Greek alphabet, used in stellar nomenclature usually to designate the 19th-brightest star in a constellation or sometimes to indicate a star's position in a group.
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Therefore, with the lepton formation and quark-antiquark pair production model developed in this paper, we can understand the recent measurement of a tau particle in a muon neutrino beam as well as the early measurements of muon particles in electron neutrino beams.
With it, we can understand the recent OPERA measurement of a tau particle in a muon neutrino beam as well as the early measurements of muon particles in electron neutrino beams.