[ bē′ĕs′ ]
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An electrically neutral meson having a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10-12 seconds. See Table at subatomic particle.
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Words nearby B-s particle
BSO, B.S.Orn.Hort., B.S.O.T., B.S.P., B.S.P.A., B-s particle, B.S.P.E., B Special, B.S.P.H., B.S.P.H.N., B.S.P.T.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.