Abstract
The cross sections for the formation of 160Er, 161Er, 162mHo, 157Dy in nuclear reactions natDy(α,x) in the energy range 53 → 20 MeV were measured by the stacked foils method. Most of the data were obtained for the first time. A comparison of the data with simulation results from the TENDL-2019 library is given. The 161Er yield on a thick target is 88.4 MBq/µAh. The natDy(α,x)161Er → 161Ho route was studied for 161Ho production. The possibility to produce 161Ho in an amount sufficient for medical applications was shown. The main radioisotope impurity is 160m,gHo (in the amount of 3–6% in terms of activity). The thick target yield of 160Er is 2.16 MBq/µAh, which is significantly less than those of the reactions induced by protons and deuterons.
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