lepton number
nounPhysics.
in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
Origin of lepton number
1First recorded in 1955–60
Words Nearby lepton number
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for lepton number
lepton number
noun
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: Symbol: 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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