Abstract
The capture gamma-ray spectrum of ${\mathrm{Cd}}^{113}(n, \ensuremath{\gamma}){\mathrm{Cd}}^{114}$ was investigated with the Argonne 7.7-m bent-crystal spectrometer. The observed spectrum consisted of 119 gamma rays with energies below 2 Mev. These precision energy measurements were combined with a series of coincidence experiments to modify and extend the level scheme of ${\mathrm{Cd}}^{114}$. The errors in the energy values of five previously observed levels are reduced by a factor of 10. Their new values are found to be 557.8\ifmmode\pm\else\textpm\fi{}0.1, 1208.4\ifmmode\pm\else\textpm\fi{}0.2, 1282.2\ifmmode\pm\else\textpm\fi{}0.2, 1304.9\ifmmode\pm\else\textpm\fi{}0.3, and 1362.9\ifmmode\pm\else\textpm\fi{}0.3 kev. Five new levels are established at 1133.1\ifmmode\pm\else\textpm\fi{}0.2, 1730.3\ifmmode\pm\else\textpm\fi{}0.2, 1839.9\ifmmode\pm\else\textpm\fi{}0.3, 1958.3\ifmmode\pm\else\textpm\fi{}0.3, and 2202.4\ifmmode\pm\else\textpm\fi{}0.3 Mev. Eight more levels are suggested at 1607.8\ifmmode\pm\else\textpm\fi{}0.3, 2048.3\ifmmode\pm\else\textpm\fi{}0.4, 2225.1\ifmmode\pm\else\textpm\fi{}0.4, 2392.5\ifmmode\pm\else\textpm\fi{}0.4, 2573.8\ifmmode\pm\else\textpm\fi{}0.5, 2868.0\ifmmode\pm\else\textpm\fi{}0.7, 3216.8\ifmmode\pm\else\textpm\fi{}0.8, and 3484.7\ifmmode\pm\else\textpm\fi{}0.8 kev. The limits placed on the spins and parities of these levels by the observed capture gamma rays are discussed.
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