Pentaquark photoproduction confronting with new LHCb observation

The newly measurement of production fractions of $P_c$ states by LHCb collaboration have put restriction on their decay branching ratios of $J/\psi p$ channel, so their photoproduction in $\gamma p\to J/\psi p$ reaction. We show the tension between LHCb results and the current experiments in search of $P_c$ photoproduction. We also find that present information of branching ratios of $P_c\to J/\psi p$ has already constrained the models which study the nature of $P_c$.