Structure of 96Ru.
1986
The level structure and the decay properties of levels in $^{96}\mathrm{Ru}$ up to 3.3 MeV of excitation have been investigated via singles directional-correlation and Doppler-shift measurements following the $^{96}\mathrm{Ru}$(p,p'\ensuremath{\gamma}) reaction at 7.0 MeV proton energy. The level and decay scheme of $^{96}\mathrm{Ru}$ was supplemented and clarified on the basis of \ensuremath{\gamma}\ensuremath{\gamma}-coincidence measurements. The directional correlations for many transitions provided (i) reliable branching ratios, (ii) ${J}^{\ensuremath{\pi}}$ assignments, and (iii) multipole mixing ratios \ensuremath{\delta}(E2/M1) from analysis of the correlations via the compound statistical theory for nuclear reactions. In many cases the measured cross sections helped for a more precise assignment of ${J}^{\ensuremath{\pi}}$ values. Lifetimes for four states and limits to three additional states were obtained by the Doppler-shift attenuation method from singles spectra, taken in the presence of standards, at eight angles between 0\ifmmode^\circ\else\textdegree\fi{} and 110\ifmmode^\circ\else\textdegree\fi{} to the beam direction. For several transitions in $^{96}\mathrm{Ru}$ values or limits of B(E1), B(E2), and B(M1) were obtained. The levels of $^{96}\mathrm{Ru}$ and their decay properties were calculated in the shell-model framework and are compared with the corresponding experimental quantities.
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