Titlebook: Weak Interactions and Higher Symmetries; Proceedings of the I Paul Urban Conference proceedings 1964 Springer-Verlag Wien 1964 elementary p

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敘述

Possible U- and V-Spin Selection Rules in Weak Interactions,As shown in the lectures by Profs. Joos and Mayer one can define three sorts of isotopic spins in SU(3). The first one is the usual isotopic spin ., the other ones are designated by . and ..

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事物的方面

Symmetries of Leptons,There are three particles denoted by the name lepton — the electron (e), the muon (μ), and the neutrino (ν). All of them are spin particles and their common property is the leptonic number. A leptonic number + 1 can be assigned to e-, μ-, ν and —1 to their antiparticles.