The k0-method in cold-neutron prompt gamma-ray activation analysis |
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Authors: | S. Baechler P. Kudejova J. Jolie J.-L. Schenker |
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Affiliation: | (1) Paul Scherrer Institute, CH-5232 Villigen, Switzerland;(2) Institut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany;(3) Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland |
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Abstract: | The k0-standardization method has been applied and evaluated at the cold-neutron prompt gamma-ray activation (PGA) facility of the Swiss spallation source SINQ (Paul Scherrer Institute). The k0-factors for 26 elements of interest were measured using chlorine as a comparator. The results showed good agreement with the values determined at other cold and thermal neutron guided beams, except for a few elements. Then, standard reference materials were analyzed to assess the accuracy of the method using the obtained k0-factors. Finally, the technique was used for multielement determination in various samples coming from nuclear waste storage, geochemistry and geology. In addition, the non-destructive nature of PGAA offered an interesting application in archeology. |
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