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A. Wallner,K. Buczak,C. Lederer,H. Vonach,T. Faestermann,G. Korschinek,M. Poutivtsev,G. Rugel,A. Klix,K. Seidel,A. Plompen,V. Semkova 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
In a fusion reactor and also in future advanced reactor types, long-lived activation products may lead to significant long-term waste disposals and radiation damage. Many of these production cross sections are not well-known, making it difficult to calculate concentration limits. Some prominent long-lived activation products comprise ^(10)Be, ^(14)C, and ^(26)Al; in the medium-mass range the radionuclides ^(53)Mn, ^(55;60)Fe, ^(59;63)Ni; and for heavier isotopes ^(202m)Pb, ^(210m)Bi. Since a few years the technique of accelerator mass spectrometry (AMS) has been applied at the Vienna Environmental Research Accelerator (VERA) facility for the detection of long-lived radionuclides for such studies. In this respect, samples were irradiated with quasi-monoenergetic neutrons at TU Dresden's 14-MeV neutron generator and the van de Graaff accelerator at IRMM. After the activations the samples were prepared for isotope ratio measurements via AMS. Production of long-lived ^(53)Mn and ^(59)Ni was measured via AMS utilizing the 14-MV tandem of the Maier-Leibnitz- laboratory, TU Munich. Radionuclides ^(10)Be, ^(14)C, ^(26)Al, ^(55)Fe, ^(210m)Bi, and ^(202g)Pb are measured at the VERA facility.