omega baryon

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omega baryon

n.
A baryon consisting of three strange quarks and having a negative electric charge, a mass 3,273 times that of the electron, and a mean lifetime of about 8 × 10-11 second.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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