Evaluation of a gamma technique for the assay of radioactive waste drums using two measurements from opposing directions |
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| Institution: | 1. Department of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland;2. HUS Medical Imaging Center, Helsinki University Hospital, POB 340, FI-00029 HUS, Finland;1. Center for Nuclear Techniques, Vietnam Atocmic Energy Institute -217 Nguyentrai, District 1, Hochiminh City, Vietnam;2. Institute for Particle and Nuclear Physics, Wigner Research Center for Physics, Hungarian Academy of Sciences, P.O.B. 49, H-1525 Budapest, Hungary;3. Institute of Isotopes, Centre for Energy Research, Hungarian Academy of Sciences, P.O.B 49, H-1525, Budapest , Hungary;4. University of Technical Education,1 Vovanngan, Thuduc District, Hochiminh City, Vietnam;5. University of Science Hochiminh City, 227 Nguyenvancu, District 1, Hochiminh City, Vietnam;1. Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Av. Universitaria 1801, Lima 32, Peru;2. Cálculo Análisis y Seguridad (CASE), Instituto Peruano de Energía Nuclear (IPEN), Av. Canadá 1470, Lima 41, Peru;3. División de Técnicas Analíticas Nucleares, Instituto Peruano de Energía Nuclear (IPEN), Av. Canadá 1470, Lima 41, Peru;1. State Key Laboratory of Geoharzard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China;2. Sichuan University of Science & Engineering, Zigong 643002, China;3. Southwest University of Science and Technology, Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Mianyang 621010, China |
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| Abstract: | A technique using two measurements from opposing directions for the assay of the activity of radioactive waste drums, mainly consisting of organic materials, has been studied. A model for the calculation of systematic errors is given by simulating the measurement system. The calculated values are in good agreement with the experimental values. This confirms the validity of the model and proofs the good performance of this technique in practice. These results may provide guidelines for setting up a measuring system for the assay the radwaste drums. |
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