Abstract
We have reinvestigated the structure of the $^{107}\mathrm{Tc}$ nucleus reported in other works. Excited states in $^{107}\mathrm{Tc}$, populated in spontaneous fission of $^{248}\mathrm{Cm}$, were studied by means of prompt-$\ensuremath{\gamma}$ spectroscopy, using the EUROGAM2 multidetector array. Parity assignments to the 45.6 and 65.6 keV levels were changed, based on conversion coefficient measurements. A new band found on top of the 45.6 keV level corresponds to the $\ensuremath{\pi}5∕{2}^{\ensuremath{-}}[303]$ configuration. The positive-parity, yrast band in $^{107}\mathrm{Tc}$ is built on top of the 65.6 keV level and corresponds to the $\ensuremath{\pi}5∕{2}^{+}[422]$ configuration. The configurations observed in $^{107}\mathrm{Tc}$ agree well with the scheme of single-proton excitations calculated for this nucleus.
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