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
European physical journal. C, Particles and fields