omega meson
noun
,
Physics.
1.
a neutral and extremely short-lived meson having a mass 1532 times that of the electron and a mean lifetime of 6.6 X 10
-23
seconds.
Also called
omega
.
omega meson
in Science
omega meson
A neutral meson having a mass 1,532 times that of the electron and an average lifetime of 6.6 × 10
-23
seconds. See Table at
subatomic particle
.