muon

名词 muon:

1. an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
   同义词：negative muon, mu-meson

mu.on

n.Physics （名词）【物理学】
An elementary particle in the lepton family (not a meson), having a mass 209 times that of the electron, a negative electric charge, and a mean lifetime of 2.2 × 0-' second. Also called mu meson See table at subatomic particle
介子：轻子族中的一种基本微粒（非介子），其质量为电子的209倍，是一种负电荷，平均寿命为2.2×0-'秒 也作 mu meson参见 subatomic particle

来源：
Short for mu meson
mu meson的简写