英语词汇“j/psi meson”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	j/psi meson
释义	J/psi meson J/psi meson J0069175 (jā′sī′, -psī′)n. An electrically neutral meson containing a charm quark and a charm antiquark having a mass about 6,060 times that of the electron and a mean lifetime of approximately 7.2 × 10^-21 second.
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J/psi meson