chi meson 
(kī, kē)
(kī, kē)n.
An electrically neutral meson composed of a charm quark and charm antiquark and having a mass 6,683 times that of an electron and a mean lifetime of about 6.3 × 10-23 second.
| 单词 | chi meson |
| 释义 | chi meson (kī, kē)n. An electrically neutral meson composed of a charm quark and charm antiquark and having a mass 6,683 times that of an electron and a mean lifetime of about 6.3 × 10-23 second. |
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