| 单词 | chi meson |
| 释义 | chi meson [´kī `mā´zän] PARTICLE PHYSICS A meson resonance of mass 958 MeV/c2, designated χ0, which has 0 isospin and charge, negative parity, positive G parity, and spin probably equal to 0. Also known as eta-prime meson (η'). Also denoted η'A (958). |
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