Evaluation of nuclear reaction cross sections for optimization of production of the non-standard positron emitting radionuclide 90Nb using proton induced reactions on Zr target.
2021
Abstract Niobium-90 radionuclide is one of the promising candidates for the positron emission tomography (PET) technique. In this study, 90Nb excitation functions via 90Zr(p,n) and natZr(p,xn) reactions were computed using the TALYS-1.95 code based on phenomenological and microscopic level density models. The MCNPX simulation code was used for each case. Moreover, the target thicknesses were obtained using the SRIM-2013 code and the theoretical and simulation-based production yields of the 90Nb were evaluated. The experimental production yield amounts of about 72.68 and 126.7 (both in MBq/μAh) for 90Zr(p,n) and natZr(p,xn) reactions in the corresponding optimal energy windows were attained by our experiments respectively.
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