Comparative study and TALYS 1.6 code calculations for the excitation functions of P and α-induced reactions on Bi target with special attention to the medical radioisotope 211At


The induced reactions by light ions such as protons, deuterons, 3He and α-particles on 209Bi, as the heaviest stable isotope in the periodic table, are important for the production of heavy radioactive isotopes. These radioactive isotopes are mainly α-emitters and could be used in cancer therapy. In this study, 209Bi(p,2n)208Po, 209Bi(p,3n)207Po, 209Bi(p,4n)206Po and 209Bi(p,5n)205Po reactions were studied by collecting the previously measured excitation functions, holding an inter-comparison and performing code calculations using the TALYS 1.6 code. As a result of the inter-comparison, mathematical fit for each reaction was given. α-induced reactions on 209Bi target leading to the formation of 210,211At and 210Po radioisotope were also studied through this work. The production of 211At without considerable isotopic 210At impurities was discussed. The previously measured excitation functions were fitted as before, and TALYS 1.6 code calculation was performed. The code calculations were compared with the mathematical fitted excitation functions.

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Azzam, A., Alharby, A.A. Comparative study and TALYS 1.6 code calculations for the excitation functions of P and α-induced reactions on Bi target with special attention to the medical radioisotope 211At. Eur. Phys. J. Plus 135, 192 (2020).

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