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| In this work, the performed dynamical study of the $B^{(*)}$ and $ar{K}$ interaction shows that the newly observed $X(5568)$ or$X(5616)$ cannot be assigned to be an isovector $Bar{K}$ or $B^*ar{K}$ molecular state. We continue to investigate the isoscalar $B^{(*)}ar{K}$ systems, and the $B^{(*)}ar{K}^{*}$ systems with isospin $I=0,1$, andpredict the existences of several isoscalar $B^{(*)}ar K^{(*)}$ molecular states. A new taskof exploring open-bottom molecular states will be created for future experiment. |
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| Keywords:Theoretical Physics, Molecular state, potential model, One-boson-exchange, S-D mixing |
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