Physicists discover new kind of tetraquark—the longest-lived yet found
Ars Technica,
Enlarge / An artist’s impression of Tcc+, a tetraquark composed of two charm quarks and an up and a down antiquark. (credit…
Enlarge / An artist’s impression of Tcc+, a tetraquark composed of two charm quarks and an up and a down antiquark. (credit…
Hadrons, the particles made of quarks, are almost unanimously produced in the two or three quark varieties in particle colliders.
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