Excited states of the odd-odd nucleus Eu158 from the ( d,α ) reaction

Excited states in the $^{158}\mathrm{Eu}$ nucleus have been determined with the $^{160}\mathrm{Gd}(d,\ensuremath{\alpha})^{158}\mathrm{Eu}$ reaction, studied at an incident energy of 18.0 MeV with the Munich tandem and Q3D spectrograph. More than 50 excited states have been determined up to 1.6 MeV excitation, some of them corresponding to states previously observed in the ${\ensuremath{\beta}}^{\ensuremath{-}}$ decay of $^{158}\mathrm{Sm}$. The number of levels found in this nucleus at low excitation energies follows the systematic trend of the level densities in the other isotopes with mass 152--156.