粒子物理学中,X荷X-charge,或 X )是一个与SO(10)英语SO(10) 大统一理论相关联的守恒量子数

X 与“重子数 B轻子数 L 的差异”(亦即BL英语B − L)以及“弱超荷 YW”之关系可以用下式表示:

参见

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