The decays of the fully open flavor state $T_{c\bar{s}0}^0$ in a $D^{\ast }{K}^{\ast }$ molecule scenario

Abstract

Inspired by the recent observations of $T_{c\bar{s}0}^{0/++}$ in the the processes $B^0\to {\bar{D}}^0{D}_s^{+}{\pi }^{-}$ and $B^{+}\to D^{-}{D}_s^{+}{\pi }^{+}$ by LHCb Collaboration, we investigate the decay properties of the $T_{c\bar{s}0}^0$ in a $D^{\ast }{K}^{\ast }$ molecule scenario, and the widths of $T_{c\bar{s}0}^0\to D^0{K}^0$, $D_s^{+}{\pi }^{-}$, $D_s^{\ast +}{\rho }^{-}$, $D_{s1}^{(\prime )+}{\pi }^{-}$, and $D^{\ast 0}(D\pi {)}^0$ are estimated. Our estimations indicate that the width of $T_{c\bar{s}0}^0\to D_s^{+}{\pi }^{-}$ is sizable to be observed and the dominant decay mode of $T_{c\bar{s}0}^0$ is $D^0{K}^0$. Considering the isospin symmetry, we proposed to search $T_{c\bar{s}0}(2900{)}^{++}$ in the $D^{+}{K}^{+}$ invariant mass distributions of the process $B^{+}\to D^{+}{D}^{-}{K}^{+}$, where some preliminary experimental hints have been observed by LHCb Collaboration.

arXiv comment8 pages, 6 figures and 1 table

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Cited by in corpus (8)

• Charmed-strange tetraquarks and their decays in a potential quark model
• Modeling the resonance $T_{cs0}^a(2900{)}^{++}$ as a hadronic molecule $D^{\ast +}{K}^{\ast +}$
• Spectrum of the molecular tetraquarks: Unraveling the $T_{cs0}(2900)$ and $T_{c\bar{s}0}^a(2900)$
• Analysis of the $T_{c\bar{s}}(2900)$ and related tetraquark states with the QCD sum rules
• The roles of the $T_{c\bar{s}0}(2900{)}^0$ and $D_0^{\ast }(2300)$ in the process $B^{-}\to D_s^{+}{K}^{-}{\pi }^{-}$
• Theoretical study of the open-flavor tetraquark $T_{c\bar{s}}(2900)$ in the process ${\bar{B}}_s^0\to K^0{D}^0{\pi }^0$
• Finding a clean process $B^{-}\to K^{-}{D}^0{K}^0$ to probe absolutely exotic four-quark states
• Exotic hadrons associated with $b$-quark