Abstract
We study the doubly charmed baryon Ξcc+ structure and production in high energy nuclear collisions. By solving the three-quark Schrödinger equation including relativistic correction and calculating the yield via coalescence mechanism, we find that, the Ξcc+ created in nuclear collisions is in the quark–diquark state as a consequence of chiral symmetry restoration in hot medium, and the production is extremely enhanced due to the large number of charm quarks.
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