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单词 charmonium
释义

charmoniumn.

/tʃɑːˈməʊnɪəm/
Etymology: < charm n.1 + -onium comb. form2.
Particle Physics.
A charmed quark and a charmed antiquark bound to one another.
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the world > matter > physics > atomic physics > particle physics > quark > [noun] > differentiating property > charm > bound to charmed antiquark
charmonium1975
1975 Physical Rev. Lett. 34 44/1 Another way of seeing that a Coulomb-like picture is not completely correct is to estimate the size of a ‘charmonium’ atom.
1980 Sci. News 9 Feb. 85 How the charmonium states change into one another, resemble one another and differ from one another is extremely important for an understanding of the characteristic called charm and of the chromodynamic force that holds these structures together.
This entry has not yet been fully updated (first published 1989; most recently modified version published online March 2018).
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