| 释义 |
lepton number
lepton number n (Atomic Physics) 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 lepton number
lepton number[′lep‚tän ‚nəm·bər] (particle physics) A conserved quantum number, equal to the number of leptons minus the number of antileptons in a system. |