J/psi meson
The J/ψ (J/psi) meson is a subatomic particle, a flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by a bound state of a charm quark and a charm antiquark are generally known as "charmonium" or psions.
The J/ψ (J/psi) meson is a subatomic particle, a flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by a bound state of a charm quark and a charm antiquark are generally known as "charmonium" or psions.
The J/ψ (J/psi) meson is a subatomic particle, a flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by a bound state of a charm quark and a charm antiquark are generally known as "charmonium" or psions.
Source: Wikipedia "J/psi meson" · CC BY-SA 4.0
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