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小松 雄哉*; 市川 裕大; 成木 恵*; 谷田 聖; 他24名*
JPS Conference Proceedings (Internet), 26, p.022029_1 - 022029_4, 2019/11
A di-quark correlation has been proposed to describe the internal structure of hadrons, especially those of exotic ones. Nevertheless it lacks a conclusive experimental evidence. The J-PARC E50 experiment performs charmed baryon spectroscopy at J-PARC high-momentum beam line to investigate the role of di-quark correlations in baryons. The energy levels of the excited sates are measured by a missing-mass technique for the first time, and the production rates and decay branching ratios are also measured.