hypercharge(redirected from Gell-Mann/Nishima Law)
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n. Symbol Y
A quantum number equal to twice the mean electric charge of a particle multiplet.
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.
(General Physics) a property of baryons that is used to account for the absence of certain strong interaction decays
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