$J/\ddot{I}ˆ$ photoproduction near threshold and signals for the hidden charm pentaquarks

Ming-Xiao Duan, Chang Gong, Lin Qiu +1

We study the $J/\ddot{I}ˆ$ photoproduction ${\hat{I}}^{3}p\to J/\ddot{I}ˆp$ near threshold to investigate the role played by the open charm channels and possible signals from the hidden charm $P_c$ pentaqu…