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omega meson

noun, Physics.
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. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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