The $\ddot{I}•p$ bound state in the unitary coupled-channel approximation

Bao-Xi Sun, Ying-Ying Fan, Qin-Qin Cao

The attractive interaction of the $\ddot{I}•$ meson and the proton is reported by the ALICE Collaboration, and the corresponding scattering length $f_0$ is given as $Re(f_0)=0.85\pm0.34(s…