omega meson

omega-meson的词性：
n.（名词）

1. A neutral meson having a rest mass 1,532 times that of the electron and an average lifetime of 606 × 10^-23 second. Also called omega See table at subatomic particle
Ω介子：一中性介子，其静止质量为电子的1,532倍，平均寿命为606×10^-23秒 也作 omega参见 subatomic particle