B − L
Quantum number; the difference between the baryon and lepton numbers / From Wikipedia, the free encyclopedia
"B-L" redirects here. For other uses, see BL (disambiguation).
In particle physics, B − L (pronounced "bee minus ell") is a quantum number which is the difference between the baryon number (B) and the lepton number (L) of a quantum system.
This article needs additional citations for verification. (January 2021) |