Abstract
Experimental excitation functions for long-lived products in proton induced reactions were measured with the activation method in the 37–65MeV energy range on natural holmium. Stacked foil irradiation technique and high resolution gamma spectrometry were used in order to measure cross-section data for the production of 161Er, 160Er and 159,157Dy. For comparison of the production routes of medically related 161Er and 160Er radioisotopes new experimental cross section data were deduced for the 162Er(p,x)161,160Er and 162Er(d,x)161,160Er reactions by re-evaluating gamma-ray spectra from earlier measurements. No earlier data were found in the literature for these reactions. The experimental data are compared with results of TALYS theoretical code reported in TENDL-2015.
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