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单词 xi baryon
释义
xi baryon
n.
Either of two baryons that contain two strange quarks and have a neutral or negative charge, masses of 2,573 and 2,586 times that of the electron, and mean lifetimes of 2.9 × 10-10 and 1.6 × 10-10 second, respectively. Also called cascade baryon.
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更新时间:2025/3/22 10:22:49