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B-s meson

noun Physics.
  1. a neutral meson with a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10-12 seconds.
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Also called B-s particle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

b-s particle in Science

B-s particle

[bēĕs]
  1. 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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