Abstract
Natural palladium foil was irradiated with 18-MeV protons to produce 1.1-h ${\mathrm{Ag}}^{103}$ by ($p,xn$) reactions. The target foil was placed directly into the ion source of the Princeton isotope separator, and the silver isotopes were volatilized, dispersed, and collected. Spectroscopic data were obtained using Ge(Li) gamma-ray detectors, an orange-type electron spectrometer, and permanent magnet spectrographs. Transitions were observed at 118.66, 148.26, 244.5, 266.9, 532.2, (555.9), 578.8, 741.9, 940.6, 1007.1, 1030.3, 1155.8, 1183.6, and 1274.6 keV. (Energies of doubtful transitions are mentioned in parentheses.) Gamma-ray spectra in coincidence with several conversion-electron lines, taken with a NaI(Tl) detector in conjunction with the orange spectrometer, gave evidence for levels in ${\mathrm{Pd}}^{103}$ at 0, 118.7, 244.5, 266.9, (532), (823), (1184), and 1274.4 keV.
Published Version
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