| 单词 | omega baryon |
| 释义 | omega baryon[ oh-meg-uh-bar-ee-on, oh-mee-guh, oh-mey‐ ] / oʊˈmɛg ə ˈbær iˌɒn, oʊˈmi gə, oʊˈmeɪ‐ / noun Physics.a negative baryon having a mass 3272 times that of the electron and a mean lifetime of 8 X 10-11 seconds. Also called omega. Words nearby omega baryonombudswoman, Omdurman, -ome, omega, omega-3 fatty acid, omega baryon, omega-c baryon, omega meson, omega minus, omega-minus particle, omega-oxidation theory Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for omega baryonomega baryon A subatomic particle in the baryon family, consisting of three strange quarks. It has a mass 3,272 times that of the electron, a negative electric charge, and an average lifetime of 8 X 10-11 seconds. The 1964 experimental observation of this particle was a great triumph in the history of particle physics, because its existence, mass, and method of decay had been predicted based on the model of baryons, but it had not yet been isolated. See Table at subatomic particle. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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