A search for $$B_{s0}^{*}$$ and $$B^{*}_{s1}$$ through the $$K^{-}p$$ interaction

Abstract Studying heavy-quark hadrons is crucial due to the nonperturbative nature of low-energy QCD, with Heavy-Quark Symmetry (HQS) serving as a key framework for understanding their spin and flavor symmetries. However, a key issue is that the theoretically expected $$B^{(*)}\bar{K}$$ B ( ∗ ) K ¯ molecular states have not yet been observed, although they are considered the bottom-quark counterparts of the observed $$\bar{D}^{(*)}\bar{K}$$ D ¯ ( ∗ ) K ¯ molecular states (corresponding to $$D_{s0}(2317/2460)^{-}$$ D s 0 ( 2317 / 2460 ) - ), which challenges the universality of HQS. The main goal of this work is to search for the theoretically predicted $$B\bar{K}$$ B K ¯ and $$B^{*}\bar{K}$$ B ∗ K ¯ molecular states, namely $$B_{s0}^{*}(5725)$$ B s 0 ∗ ( 5725 ) and $$B_{s1}^{*}(5778)$$ B s 1 ∗ ( 5778 ) , via the reactions $$K^{-}p \rightarrow \varLambda _{b}^{0} B_{s0}^{*}$$ K - p → Λ b