Abstract
Results of recent measurements of activation cross sections leading to the generation of long-lived radionuclides of importance in fusion reactor technology are summarized. The cross sections measured are109Ag(n, 2n)108mAg,151Eu(n, 2n)150mEu,153Eu(n, 2n)152Eu,159Tb(n, 2n)158Tb,179Hf(n, 2n)178m2Hf,193Ir(n, 2n)192m2Ir,209Bi(m, 2n)208Bi,94Mo(n, p)94Nb,108Cd(n, p)108mAg,137Ba(n, p)137Cs and182W(n, n' a)178m2Hf at 14 MeV. The neutron fluences are determined by the cross sections of54Fe (n, p)54Mn and93Nb(n, 2n)92mNb reactions. The neutron energies in these measurements are determined by cross section ratios for90Zr(n, 2n)89m+gZr and93Nb(n, 2n)92mNb reactions.
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