First observation of unbound ${}^{11}$O, the mirror of the halo nucleus ${}^{11}$Li

T. B. Webb, S. M. Wang, K. W. Brown +23

The structure of the extremely proton-rich nucleus ${}_8^{11}$O${}_3$, the mirror of the two-neutron halo nucleus ${}_3^{11}$Li${}_8$, has been studied experimentally for the first t…