Intercomparison of the response of different photon and neutron detectors around a spent fuel cask |
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| Authors: | S. Mayer M. Boschung H. Hoedlmoser Th. Buchillier C. Bailat B. Bitterli |
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| Affiliation: | 1. Paul Scherrer Institut (PSI), Radiation Metrology Section, CH-5232 Villigen PSI, Switzerland;2. Institute of Radiation Physics (IRA), University Hospital Center and University of Lausanne, Rue du Grand-Pré 1, CH-1007 Lausanne, Switzerland;3. Nuclear Power Plant Gösgen-Däniken AG (KKG), CH-4658 Däniken, Switzerland |
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| Abstract: | An intercomparison of the response of different photon and neutron detectors was performed in several measurement positions around a spent fuel cask (type TN 12/2B) filled with 4 MOX and 8 UO2 15 × 15 PWR fuel assemblies at the nuclear power plant Gösgen (KKG) in Switzerland. The instruments used in the study were both active and passive, photon and neutron detectors calibrated either for ambient or personal dose equivalent.The aim of the measurement campaign was to compare the responses of the radiation instruments to routinely used detectors.It has been shown that especially the indications of the neutron detectors are strongly dependent on the neutron spectra around the cask due to their different energy responses. However, routinely used active photon and neutron detectors were shown to be reliable instruments. |
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