Last Updated
：2025/11/21
J/psi particle
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(physics) A subatomic particle with an unusually long lifetime and a large mass; a bound state of a charm quark and an anti-charm quark.
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J/psi particle
The discovery of the J/psi particle revolutionized our understanding of quark confinement.
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The discovery of the J/psi particle revolutionized our understanding of quark confinement.
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