Abstract
The Doppler-shift-attenuation method has been employed following the $^{97}\mathrm{Mo}(\mathrm{p},\mathrm{n}\ensuremath{\gamma})^{97}\mathrm{Tc}$ reaction at 3.5 MeV to determine lifetimes for 11 states in $^{97}\mathrm{Tc}$ and lower limits for 12 additional states. The lifetimes were extracted from singles spectra taken with the aid of an anti-Compton spectrometer at seven angles between 0\ifmmode^\circ\else\textdegree\fi{} and 90\ifmmode^\circ\else\textdegree\fi{} to the beam direction by employing centroid shift analysis of the data. For a number of transitions in $^{97}\mathrm{Tc}$, values or limits for $B(E1)$, $B(E2)$, and $B(M1)$ were obtained. The present results are compared with calculations based on the cluster-core coupling model of Bargholtz and Beshai.
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