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J particle

noun Physics.
  1. an early name for the J/psi particle.
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Origin of J particle

1970–75; named by S.C.C. Ting, allegedly from the resemblance of the letter J to the Chinese character for Ting
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

j particle in Science

J particle

  1. See J/psi particle.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.