| 单词 |
quasi-stable elementary particle |
| 释义 |
quasi-stable elementary particle quasi-stable elementary particle[¦kwä·zē ′stā·bəl ′el·ə‚men·trē ′pärd·ə·kəl] (particle physics) A term formerly (before the discovery of charmed particles) used for elementary particles that cannot decay into other particles through strong interactions and that have lifetimes longer than 10-20 second. Also known as semistable elementary particle. |
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