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lepton number

noun, Physics.
in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
Origin of lepton number
First recorded in 1955-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for lepton number

lepton number

(physics) a quantum number describing the behaviour of elementary particles, equal to the number of leptons present minus the number of antileptons. It is thought to be conserved in all processes l
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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