A recent parametrization of two-proton separation energies in O and Ne nuclei allows a prediction of the energy of ${}^{11}$O(g.s.): $S_{2p}=-5.41\left(11\right)$ MeV, which is considerably more unbound than another recent estimate.

• Received 2 June 2013

DOI:https://doi.org/10.1103/PhysRevC.87.067306