最終更新日：2024/07/31
The charmonia are subatomic particles composed of a charm quark and an anticharm quark.
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The charmonia are subatomic particles composed of a charm quark and an anticharm quark.
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The charmonia are subatomic particles composed of a charm quark and an anticharm quark.
The charmonia are subatomic particles composed of a charm quark and an anticharm quark.
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