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- W2804090998 abstract "Triggered by a recent announcement by the LHCb Collaboration of five excited $Omega^0_c$ resonances of small widths we propose an interpretation based on the Chiral Quark Soliton Model. We argue that three of the LHCb resonances are parity ($-$) excitations of the ground state SU(3) sextets, while the other two with the smallest widths are exotic pentaquarks that belong to the SU(3) $overline{mathbf{15}}$. We first briefly review the model and discuss the status of the putative $Theta^+(1540)$. Next we show how to generalize the model to the case of heavy baryons. We test this approach against the ground state $overline{mathbf{3}}$ and ${mathbf{6}}$ heavy baryons, and discuss different excitations that are possible in the Chiral Quark Soliton Model. We show that the model accommodates two excited $overline{mathbf{3}}$ in the charm sector that are experimentally observed. Finally we discuss possible assignments of the LHCb $Omega^0_c$ states." @default.
- W2804090998 created "2018-06-01" @default.
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- W2804090998 date "2018-05-20" @default.
- W2804090998 modified "2023-09-27" @default.
- W2804090998 title "On a possibility of exotic heavy baryons" @default.
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