$P_c(4312{)}^{+}$ and $P_c(4337{)}^{+}$ as interfering ${\Sigma }_c\bar{D}$ and ${\Lambda }_c{\bar{D}}^{\ast }$ threshold cusps

S. X. Nakamura, A. Hosaka, Y. Yamaguchi

The recent LHCb data on $B_s^0\to J/\psi p\bar{p}$ revealed a new pentaquark-like $P_c(4337{)}^{+}$ structure, while finding no evidence for $P_c(4312{)}^{+}$ discovered earlier in $Λ_b^0\to J…