conservation of lepton number

conservation of lepton number
the principle that the total lepton number remains constant in any process involving elementary particles.

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Universalium. 2010.

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  • subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium