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Evidence of a structure in $$\bar{K}^{0} \Lambda _{c}^{+}$$ K ¯ 0 Λ c + consistent with a charged $$\Xi _c(2930)^{+}$$ Ξ c ( 2930 ) + , and updated measurement of $$\bar{B}^{0} \rightarrow \bar{K}^{0} \Lambda _{c}^{+} \bar{\Lambda }_{c}^{-}$$ B ¯ 0 → K ¯ 0 Λ c + Λ ¯ c - at Belle

Evidence of a structure in $$\bar{K}^{0} \Lambda _{c}^{+}$$ K ¯ 0 Λ c + consistent with a charged $$\Xi _c(2930)^{+}$$ Ξ c ( 2930 ) + , and updated measurement of $$\bar{B}^{0} \rightarrow \bar{K}^{0} \Lambda _{c}^{+} \bar{\Lambda }_{c}^{-}$$ B ¯ 0 → K ¯ 0 Λ c + Λ ¯ c - at Belle

We report evidence for the charged charmed-strange baryon $\Xi_{c}(2930)^+$ with a signal significance of 3.9$\sigma$ with systematic errors included. The charged $\Xi_{c}(2930)^+$ is found in its decay to $K_{S}^{0} \Lambda_{c}^+$ in the substructure of $\bar{B}^{0} \to K^{0}_{S} \Lambda_{c}^{+} \bar{\Lambda}_{c}^{-}$ decays. The measured mass and width are $[2942.3 \pm 4.4 (\rm …