Abstract
A xenon gamma spectrometer (XGS) with a sensitive volume of 6 liters is described. Physico-technical characteristics of the gamma spectrometer, determined using radioactive sources of the set of standard spectrometric gamma sources, are presented. Gamma spectra of radioactive waste in a 3.4-m3 container for solid radioactive waste are measured, and isotope activities are determined. The XGS is simulated by the Monte Carlo method using the GEANT4 package. The activities are determined by a combined method with an analysis of experimental spectra and simulated data. It is shown that the XGS has good metrological capabilities for characterizing radioactive waste, including nuclide identification and their activity estimation.
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Original Russian Text © S.N. P’ya, K.F. Vlasik, V.M. Grachev, V.V. Dmitrenko, A.S. Novikov, D.V. Petrenko, A.E. Shustov, Z.M. Uteshev, S.E. Ulin, I.V. Chernysheva, 2015, published in Kratkie Soobshcheniya po Fizike, 2015, Vol. 42, No. 8, pp. 41–47.
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P’ya, S.N., Vlasik, K.F., Grachev, V.M. et al. Determination of radioactive waste activity in containers using a xenon gamma spectrometer. Bull. Lebedev Phys. Inst. 42, 249–253 (2015). https://doi.org/10.3103/S1068335615080072
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DOI: https://doi.org/10.3103/S1068335615080072