Cross-sections of proton induced nuclear reactions on natural thallium have been studied for investigation of the production of the medical important (201)Tl diagnostic radioisotope. The excitation functions of (204m)Pb, (203)Pb, (202m)Pb, (201)Pb, (200)Pb, (199)Pb, (202)Tl (direct, cumulative), (201)Tl (direct, cumulative), (200)Tl(direct), and (203)Hg were measured up to 42MeV proton energy by stacked foil technique and activation method. The experimental data were compared with the critically analyzed experimental data in the literature, with the IAEA recommended data and with the results of model calculations by using the ALICE-IPPE, EMPIRE-II and TALYS codes.
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