Exploring the mass spectrum and the electromagnetic properties of the possible ${\Xi }_{cc}{K}^{(\ast )}$ and ${\Xi }_{cc}{\bar{K}}^{(\ast )}$ molecules

Abstract

Using the one-boson-exchange model, we investigate the interactions between the doubly charmed baryon ${\Xi }_{cc}(3621)$ and the $S-$wave (anti-)kaon accounting for the $S-D$ wave mixing and coupled-channel effects. We find the coupled ${\Xi }_{cc}K/{\Xi }_{cc}{K}^{\ast }$ state with $I(J^P)=0(1/2^{-})$, the ${\Xi }_{cc}{K}^{\ast }$ state with $0(1/2^{-})$, the ${\Xi }_{cc}\bar{K}$ state with $0(1/2^{-})$, and the ${\Xi }_{cc}{\bar{K}}^{\ast }$ states with $0(1/2^{-},3/2^{-})$ can be recommended as good doubly charmed molecular candidates with strangeness $|S|=1$. We further examine their M1 radiative decay behaviors and magnetic moments within the constituent quark model framework. This information can enhance our understanding of their inner structures, including the distribution of electric charge and the orientation of the constituent quarks' spins.

11 pages, 5 figures

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• Spectroscopic Properties of Double-Strangeness Molecular Tetraquarks
• Electromagnetic properties of possible triple-charm molecular hexaquarks
• Electromagnetic characteristics as probes into the inner structures of the predicted ${\Xi }_c^{{(}^{\prime },\ast )}{D}_s^{(\ast )}$ molecular states
• Doubly-charmed pentaquark states in a mass splitting model
• Systematic exploration of triply heavy tetraquarks: spectroscopic and decay characteristics
• Predicting charmed-strange molecular tetraquarks with $K^{(\ast )}$ and $T$-doublet charmed or anticharmed meson