Predicting a new resonance as charmed-strange baryonic analog of $D_{s0}^{\ast }(2317)$

Abstract

By an unquenched quark model, we predict a charmed-strange baryon state, namely, the ${\Omega }_{c0}^d(1P,1/2^{-})$. Its mass is predicted to be 2945 MeV, which is below the ${\Xi }_c\bar{K}$ threshold due to the nontrivial coupled-channel effect. So the ${\Omega }_{c0}^d(1P,1/2^{-})$ state could be regraded as the analog of the charmed-strange meson $D_{s0}^{\ast }(2317)$. It is a good opportunity for the running Belle II experiment to search for this state in the ${\Omega }_c^{(\ast )}\gamma$ mass spectrum experiment in the future.

arXiv comment8 pages, 2 tables and 3 figures. Accepted by PRD

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• Spectroscopic survey of higher-lying states of $B_c$ meson family
• The newly observed ${\Omega }_c(3327)$: A good candidate for a $D$-wave charmed baryon
• Investigating the spectroscopy behavior of undetected $1F$-wave charmed baryons
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• The investigations of the $P$-wave $B_s$ states combining quark model and lattice QCD in the coupled channel framework
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• Productions of $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ in $B_{(s)}$ and ${\Lambda }_b({\Xi }_b)$ decays
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• Spectroscopic properties of $1F$-wave singly bottom baryons
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• Assessing the validity of the Born-Oppenheimer approximation in potential models for doubly heavy hadrons