Abstract
The ($p, d$) and ($d, t$) reactions on $^{100}\mathrm{Mo}$ have been used at bombarding energies of \ensuremath{\sim} 40 MeV to populate neutron hole states of $^{99}\mathrm{Mo}$. Excitation energies and angular distributions were measured for levels up to 4.25 MeV in excitation. A distorted wave Born approximation analysis was used to make $l$ assignments and to obtain spectroscopic factors. Three distinct groups of weakly excited levels, one corresponding to $l=4$ and two corresponding to $l=1$, were observed lying above 2.15 MeV excitation. A hole-core-coupling model is used to predict the properties of $^{99}\mathrm{Mo}$ and fair agreement with the experiment is obtained.NUCLEAR REACTIONS, NUCLEAR STRUCTURE $^{100}\mathrm{Mo}(p, d)$, $^{100}\mathrm{Mo}(d, t)$, $E\ensuremath{\simeq}40$ MeV; measured $\ensuremath{\sigma}(\ensuremath{\theta})$, $^{99}\mathrm{Mo}$ levels, deduced $l$, $S$; calculated $J$, $\ensuremath{\pi}$, $S$, particle-core-coupling model.
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