Abstract
The primary neutron-capture $\ensuremath{\gamma}$ rays emitted in the decay of the 3.4-eV resonance in $^{147}\mathrm{Sm}$ have been studied with a Ge(Li) detector and the crystal diffraction neutron monochromator at the Brookhaven high-flux beam reactor. The results obtained complement the average resonance capture studies of Buss and Smither. The spins and parities of levels at 1453.6 and 1663.4 keV are shown to be 2+. The results also indicate previously unreported levels at (1648.6), 1970.9, and 2142.5 keV with spins 2, 3, or 4. The spin of the 3.4-eV resonance is confirmed to be 3-.
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