英语词汇“baryon number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

baryon number

Particle Physics

noun

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.

The concept is generalized for a collection of particles, being defined as one third of the difference between the number of quarks and the number of antiquarks.Baryon number is conserved in nearly all the particle interactions hitherto observed..

Origin

1950s; earliest use found in Nuclear Physics.

单词	baryon number
释义	baryon number Particle Physics noun 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. The concept is generalized for a collection of particles, being defined as one third of the difference between the number of quarks and the number of antiquarks.Baryon number is conserved in nearly all the particle interactions hitherto observed.. Origin 1950s; earliest use found in Nuclear Physics.
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