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单词 xi-c baryon
释义
xi-c baryon (zīsē, sī-, ksē-)
n.
Either of two subatomic particles in the baryon class, having a charm quark, a neutral or positive charge, masses of 4,834 and 4,826 times that of an electron, and average lifetimes of 3.5 × 10-13 and 9.8 × 10-14 second, respectively. Also called charmed xi baryon.
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更新时间:2025/3/22 9:31:01