Abstract

The experimental information and theoretical predictions of d ∗ (2380) are briefly introduced. The salient features of the chiral SU(3) quark model are presented, and the results of d ∗(2380) from traditional calculation in this model are shown and discussed. The problems in such quark model calculations are pointed out, and a revised quark model investigation of d ∗(2380) is given. It is shown that the d ∗ (2380) has not yet been fully understood in quark model.

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