Gamma ray spectra and sensitivities for 14 MeV neutron activation analysis |
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Authors: | M. Cuypers J. Cuypers |
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Affiliation: | (1) Activation Analysis Research Laboratory, Texas A & M University, College Station, Texas, USA;(2) Present address: Laboratoire d’Application des Radioéléments, Université de Liège, Liège, Belgium |
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Abstract: | The purpose of this study was to define experimentally the sensitivity of determination for 63 different elements by 14 MeV neutron activation, with a 150 kV Cockroft-Walton accelerator at a neutron flux of 2·108 n·cm−2·sec−1 on the sample. The obtained gamma ray spectra are given, and the origin of the photopeaks observed are explained. A maximum irradiation time of five minutes was used as a convenient experimental limit to obtain the maximum sensitivity, considering, however, that the tritium target life is limited, and that the time to perform an analysis has to be reasonable. The practical use of 14 MeV neutron activation analysis is demonstrated by the detection limits obtained. |
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