omega meson

American  

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.

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omega meson Scientific  

1. A neutral meson having a mass 1,532 times that of the electron and an average lifetime of 6.6 × 10 ^{- 23} seconds.

2. See Table at subatomic particle

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