Abstract

Cross sections for radiative capture of neutrons have been measured for stable isotopes of Ru with mass numbers $96,102$, and $104$. From separate irradiations using thermal and epithermal neutrons, independent values for the thermal cross section and effective resonance integral have been determined. Spectroscopic studies of the $\ensuremath{\gamma}$ rays emitted in the decays of $^{97,103,105}\mathrm{Ru}$ have enabled improvements in the precision of the energies and intensities of the radiations along with corresponding improvements in the $\ensuremath{\beta}$-decay feeding intensities and the energies of the levels in the respective daughter nuclei. Similar spectroscopic measurements of the decays of $^{105}\mathrm{Rh}$ (daughter of $^{105}\mathrm{Ru}$) and $^{96}\mathrm{Tc}$ (produced from $n,p$ reactions on $^{96}\mathrm{Ru}$) have resulted in improved $\ensuremath{\gamma}$-ray energies and intensities in those decays.

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