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单词
psi-prime particle
释义
psi-prime particle
psi-prime particle
[
′sī ¦prīm ‚pärd·ə·kəl
]
(particle physics)
A neutral meson which has a mass of 3684 megaelectronvolts, spin quantum number 1, and negative parity and charge parity; it has an anomalously long lifetime. Symbolized ψ′.
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更新时间:2025/3/31 0:56:29