Measurement of Terbium Isotopes Yield in Irradiation of 151Eu Targets by 3He Nuclei
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This article is devoted to obtaining the α-emitter 149Tb for radioimmunotherapy. A method for producing 149Tb based on the reaction 151Eu(3He, 5n)149Tb is proposed. It is proposed that europium with native isotopic composition (151Eu – 47.81%, 153Eu – 52.19%) or enriched 151Eu be used as the target. The 29 MeV threshold of the indicated reaction makes it possible to use accelerators with the initial 3He energy 40–70 MeV.
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