We present estimates of the mass excess of ${}^{18}\mathrm{Na}$ and properties of some of the low-lying states, using information from the mirror nucleus ${}^{18}\mathrm{N}$ for guidance. We offer explanations for three peaks observed in ${}^{18}\mathrm{Na}\to {}^{17}\mathrm{Ne}+p$ decay.

• Received 8 June 2005

DOI:https://doi.org/10.1103/PhysRevC.72.034304