Pole determination of $P_{ψs}^Λ(4338)$ and possible $P_{ψ s}^Λ(4254)$ in $B^-\to J/ψΛ\bar{p}$

Pole determination of $P_{ψs}^Λ(4338)$ and possible $P_{ψ s}^Λ(4254)$ in $B^-\to J/ψΛ\bar{p}$