Abstract
Neutron particle-hole states in $^{88}\mathrm{Sr}$ have been studied by means of the reaction $^{87}\mathrm{Sr}(d,p)^{88}\mathrm{Sr}$ at ${E}_{d}=12$ MeV. It has been determined that the earlier reported transitions to presumed states at 4744 and 5780 keV in $^{88}\mathrm{Sr}$ arise mainly from transition to the ground state and the first excited state in $^{89}\mathrm{Sr}$. Spectroscopic strengths for states of the multiplets [${{g}_{\frac{9}{2}}}^{\ensuremath{-}1}{d}_{\frac{5}{2}}$] and [${{g}_{\frac{9}{2}}}^{\ensuremath{-}1}{s}_{\frac{1}{2}}$] have been determined by detailed distorted-wave Born-approximation analysis. ${J}^{\ensuremath{\pi}}$ assignments are suggested on the basis of sum rules and comparison with other experiments. Matrix elements for two-particle effective interactions are derived.NUCLEAR REACTIONS $^{87}\mathrm{Sr}(d,p)$, $E=12$ MeV; measured $\ensuremath{\sigma}(\ensuremath{\theta})$ deduced level energies, ${J}^{\ensuremath{\pi}}$; deduced two body matrix elements; enriched targets.
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