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单词 baryon number
释义

Definition of baryon number in English:

baryon number

noun
Particle Physics

  • A quantum number assigned to subatomic particles, equal to 1 for baryons and −1 for antibaryons (hence 1/3 for quarks and -1/3 for antiquarks), and 0 for all other particles; symbol B.

Origin

1950s; earliest use found in Nuclear Physics.

Definition of baryon number in US English:

baryon number

noun
Particle Physics

  • A quantum number assigned to subatomic particles, equal to 1 for baryons and −1 for antibaryons (hence 1/3 for quarks and -1/3 for antiquarks), and 0 for all other particles; symbol B.

Origin

1950s; earliest use found in Nuclear Physics.
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更新时间：2025/6/20 2:40:47