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单词 cp invariance
释义

CP invariance


CP invariance

C5743950 (sē′pē′)n. In particle physics, a form of invariance in which reversing all spatial dimensions and the sign of all charges in the description of a physical system results in an indistinguishable physical system. CP invariance does not appear to hold in nature, as evidenced by the decay of kaons. Also called charge parity invariance.
[c(harge) p(arity) invariance.]

CP invariance


CP invariance

[¦sē¦pē in′ver·ē·əns] (particle physics) The principle that the laws of physics are left unchanged by a combination of the operations of charge conjugation C and space inversion P; a small violation of this principle has been observed in the decay of neutral K- mesons.
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