Abstract
For neutron activation analysis, Dams (1981) has shown that nearly all elements have potential short-lived radionuclides when different irradiation techniques are used. At the Atominstitut Wien we have been devoted to the field of short-lived radionuclides applying half lifes down to less than 20 ms (Brandstatter et al. 1970). To increase the range of analytical applications the activation can be performed with 14 MeV neutrons to measure or increase the sensitivities for a number of interesting elements like O, Si, P, K, As, Y, Ba, and Pb (see, e.g., Fanger et al. 1981). To meet the requirements of a high fast neutron flux density a rapid He-driven transportation facility was, therefore, suggested with a 14 MeV neutron converter (Salahi and Grass 1981) which enables both fast and thermal neutron activation analysis with short-lived radionuclides.
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