The authors compute partial decay widths to discriminate the spin-parity of the Pc(4440) and Pc(4457) pentaquark states, favoring the 1/2-, 3/2- assignment.
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$P_c(4440)$ and $P_c(4457)$ decay into $\bar{D}\Sigma_c$ and $\bar{D}\Lambda_c$ and the spin of the $P_c$ states
The authors compute partial decay widths to discriminate the spin-parity of the Pc(4440) and Pc(4457) pentaquark states, favoring the 1/2-, 3/2- assignment.