TL;DR
Experiments at COSY have discovered a new dibaryon resonance with a mass of 2380 MeV and a width of 70 MeV, providing evidence for a six-quark state that could be a hexaquark or a molecular structure.
Contribution
This paper reports the first compelling experimental evidence for a dibaryon resonance at COSY, advancing understanding of multi-quark states.
Findings
Discovery of a resonance at 2380 MeV with 70 MeV width
Evidence supporting the existence of a six-quark dibaryon
Discussion of implications and future experimental directions
Abstract
Experiments at the Juelich Cooler Synchrotron (COSY) have now found compelling evidence for a new resonant state in the two-baryon system with mass 2380 MeV and a width of 70 MeV. The structure, containing six valence quarks, constitutes a so-called dibaryon, either a hexaquark or a hadronic molecule. The present knowledge about the dibaryon as well as other implications and possible future experiments are discussed.
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