| 单词 | lepton number |
| 释义 | > as lemmaslepton number lepton number n. Particle Physics a quantum number assigned to subatomic particles, equal to 1 for leptons, −1 for antileptons, and 0 for all other particles.Lepton number appears to be conserved to a high degree. ΘΚΠ the world > matter > chemistry > atomic chemistry > [noun] > subatomic particles > leptons > lepton number lepton number1957 the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > [noun] > quantum number of lepton number2008 1957 Nucl. Physics 3 599 The results depend closely on whether the attractive postulate of the conservation of fermion numbers (lepton numbers as well as baryon numbers) does hold or not. 1967 L. M. Lederman in E. H. S. Burhop High Energy Physics II. 342 Conservation of lepton number now is a matter of Nμ and Ne being separately conserved. 2008 H. R. Quinn & Y. Nir Myst. Missing Antimatter xii. 131 For the weak interactions, the symmetries related to baryon and lepton number are not exactly respected. < as lemmas |
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