| 单词 | omega hyperon |
| 释义 | omega hyperon [ō`meg·ǝ `hī·pǝ´rän] PARTICLE PHYSICS A semistable baryon with a mass of approximately 1672 MeV, negative charge, spin of 3/2, and positive parity; constitutes an isoptic spin singlet. Also known as omega particle. Symbolized Ω-. |
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