Possible triple-charm molecular pentaquarks from ${\Xi }_{cc}{D}_1/{\Xi }_{cc}{D}_2^{\ast }$ interactions

Abstract

In this work, we explore a systematic investigation on $S$-wave interactions between a doubly charmed baryon ${\Xi }_{cc}(3621)$ and a charmed meson in a $T$ doublet $(D_1,D_2^{\ast })$. We first analyze the possibility for forming ${\Xi }_{cc}{D}_1/{\Xi }_{cc}{D}_2^{\ast }$ bound states with the heavy quark spin symmetry. Then, we further perform a dynamical study on the ${\Xi }_{cc}{D}_1/{\Xi }_{cc}{D}_2^{\ast }$ interactions within a one-boson-exchange model by considering both the $S$-$D$ wave mixing and coupled channel effect. Finally, our numerical results conform the proposals from the heavy quark spin symmetry analysis: the ${\Xi }_{cc}{D}_1$ systems with $I(J^P)=$ $0(1/2^{+},3/2^{+})$ and the ${\Xi }_{cc}{D}_2^{\ast }$ systems with $I(J^P)=$ $0(3/2^{+},5/2^{+})$ can possibly be loose triple-charm molecular pentaquarks. Meanwhile, we also extend our model to the ${\Xi }_{cc}{\bar{D}}_1$ and ${\Xi }_{cc}{\bar{D}}_2^{\ast }$ systems, and our results indicate the isoscalars of ${\Xi }_{cc}{\bar{D}}_1$ and ${\Xi }_{cc}{\bar{D}}_2^{\ast }$ can be possible molecular candidates.

arXiv comment10 pages, 5 figures, Accepted by PRD

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Cited by in corpus (28)

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• Tetra- and penta-quark structures in the constituent quark model
• Probing new types of $P_c$ states inspired by the interaction between an $S$-wave charmed baryon and an anticharmed meson in a $\bar{T}$ doublet state
• Emergence of molecular-type characteristic spectrum of hidden-charm pentaquark with strangeness embodied in the $P_{\psi s}^{\Lambda }(4338)$ and $P_{cs}(4459)$
• Prediction of hidden-charm pentaquarks with double strangeness
• Doubly Charmed Pentaquarks
• Hidden-charm pentaquarks with triple strangeness due to the ${\Omega }_c^{(\ast )}{\bar{D}}_s^{(\ast )}$ interactions
• Exotic double-charm molecular states with hidden or open strangeness and around $4.5\sim 4.7$ GeV
• $QQ\bar{s}\bar{s}$ tetraquarks in the chiral quark model
• Investigating new type of doubly-charmed molecular tetraquarks composed of the charmed meson in $H$-doublet and the charmed meson in $T$-doublet
• Correlation of the hidden-charm molecular tetraquarks and the charmoniumlike structures existing in the $B\to XYZ+K$
• Newly observed $X(4630)$: a new charmoniumlike molecule
• Spectrum of the molecular pentaquarks
• Surveying the mass spectra and the electromagnetic properties of the ${\Xi }_c^{(\prime ,\ast )}{D}^{(\ast )}$ molecular pentaquarks
• A new group of doubly charmed molecule with $T$-doublet charmed meson pair
• $\bar{K}\Lambda$ molecular explanation to the newly observed $\Xi (1620{)}^0$
• Higher molecular $P_{\psi s}^{\Lambda /\Sigma }$ pentaquarks arising from the ${\Xi }_c^{(\prime ,\ast )}{\bar{D}}_1/{\Xi }_c^{(\prime ,\ast )}{\bar{D}}_2^{\ast }$ interactions
• Studying the ${\bar{D}}_{1}K$ molecule in the Bethe-Salpeter equation approach
• Exotic pentaquark states with the $qqQQ\bar{Q}$ configuration
• Studying the $D_{1}D$ molecule in the Bethe-Salpeter equation approach
• Investigation of a candidate spin-$\frac{1}{2}$ hidden-charm triple strange pentaquark state $P_{csss}$
• Investigating the M1 radiative decay behaviors and the magnetic moments of the predicted triple-charm molecular-type pentaquarks
• Masses and radiative decay widths of the $D_{s0}^{\ast }(2317)$ and $D_{s1}^{\prime }(2460)$ and their bottom analogs
• Electromagnetic properties of possible triple-charm molecular hexaquarks
• Possible molecules of triple-heavy pentaquarks within the extended local hidden gauge formalism
• Predicting charmed-strange molecular tetraquarks with $K^{(\ast )}$ and $T$-doublet charmed or anticharmed meson
• Molecular pentaquarks composed of a ground-state octet baryon and a $P-$wave anticharmed meson
• An analysis on doubly bottom molecular tetraquarks composed of $H_{(s)}$ and $T_{(s)}$ doublets