Production possibility of 161 Tb utilizing secondary neutrons generated by protons from a low-energy cyclotron onto an isotope production target

Journal of Radioanalytical and Nuclear Chemistry(2018)

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Abstract
The production possibility of the medically relevant radioisotope 161 Tb using a 9 Be + p ( E p = 18 MeV) neutron source was investigated at the MGC cyclotron of ATOMKI. The 161 Tb is formed via the 160 Gd(n,γ) 161 Gd → 161 Tb nuclear process. The available EOB yield was about 8000 Bq C −1 g −1 . Predictions based on Monte Carlo calculations in conjunction with TENDL-2017 cross-section data overestimate the experimental results. These preliminary results indicate that secondary neutrons generated in a high-intensity medical radioisotope production target station could be useful for research-scale 161 Tb production.
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Key words
natGd target,Neutron reactions,Monte Carlo calculation,TENDL 2017 library,161Tb and 159Gd formation
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