- a type of elementary particle (meson) thought to be formed from charmed quarks
单词 | j/psi particle |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 J/psi particle, ( jā′sī′, -psī′),USA pronunciation [Physics.]
Collins Concise English Dictionary © HarperCollins Publishers:: J/psi particle n
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