| 单词 | xi-c baryon |
| 释义 | xi-c baryon xi-c baryon AHD: [zº“s¶“, sº“-, ks¶“-] D.J. [6za!6si8, 6sa!-, 6ksi8-]K.K. [6za!6si, 6sa!-, 6ksi-]n.（名词）Either of two subatomic particles in the baryon family, one neutral and one positively charged, with masses of 4,826 and 4,834 times that of an electron and average lifetimes of 3.5 × 10&9{-13} and 9.8 × 10 &9{-14} seconds, respectively. Ξ-c重子：重子类两种次原子粒中任一种，其一为中性，另一带正电，质量为电子的4,826和4,834倍，平均寿命分别为3.5×10&9{-13}和9.8×10 &9{-14}秒 |
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