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单词 baryon number
释义

WordReference Random House Unabridged Dictionary of American English © 2024
baryon num′ber, [Physics.]
  1. Physicsa quantum number assigned to elementary particles, baryons having baryon number 1, antibaryons -1, and all other observable particles 0;
    quarks have baryon number 1/3 and antiquarks -1/3. Cf. conservation of baryon number.

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