Stimulated by the $P_{cs}(4459)$ reported by the LHCb collaboration, we perform a single ${\mathrm{\Xi }}_c{\overline{D}}^{*}$ channel and a coupled ${\mathrm{\Xi }}_c{\overline{D}}^{*}/{\mathrm{\Xi }}_c^{*}\overline{D}/{\mathrm{\Xi }}_c^{\prime }{\overline{D}}^{*}/{\mathrm{\Xi }}_c^{*}{\overline{D}}^{*}$ channel analysis by using a one-boson-exchange model. Our results indicate that the newly $P_{cs}(4459)$ cannot be a pure ${\mathrm{\Xi }}_c{\overline{D}}^{*}$ molecular state, but a coupled ${\mathrm{\Xi }}_c{\overline{D}}^{*}/{\mathrm{\Xi }}_c^{*}\overline{D}/{\mathrm{\Xi }}_c^{\prime }{\overline{D}}^{*}/{\mathrm{\Xi }}_c^{*}{\overline{D}}^{*}$ bound state with $I(J^P)=0(3/2^{-})$, where the ${\mathrm{\Xi }}_c{\overline{D}}^{*}$ and ${\mathrm{\Xi }}_c^{*}\overline{D}$ components are dominant. Meanwhile, we find the interactions from the ${\mathrm{\Xi }}_c^{\prime }{\overline{D}}^{*}$ system with $0(1/2^{-})$, the ${\mathrm{\Xi }}_c^{*}\overline{D}$ system with $1(3/2^{-})$, and the ${\mathrm{\Xi }}_c^{*}{\overline{D}}^{*}$ system with $1(1/2^{-})$ are strongly attractive, where one can expect possible strange hidden-charm molecular or resonant structures near these thresholds with the assigned quantum numbers.

• Received 18 November 2020
• Accepted 12 February 2021

DOI:https://doi.org/10.1103/PhysRevD.103.054007

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Published by the American Physical Society