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Optimization of a measurement facility for radioactive waste free release by Monte Carlo simulation
Affiliation:1. Czech Metrology Institute, Inspectorate for Ionizing Radiation, Radiova 1, 102 00 Prague 10, Czech Republic;2. Laboratorio de Metrología de Radiaciones Ionizantes, CIEMAT, Avenida Complutense, 40, 28040 Madrid, Spain;1. European Commission, Joint Research Centre, Radionuclide Metrology Sector, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel, BELGIUM;2. ENEA, National Institue Ionizing Radiation Metrology, C.R. Casaccia, Via Anguillarese, 301, 00123 S. Maria di Galeria, Rome, ITALY;3. Federal Office of Metrology and Surveying, Ionising Radiation and Radioactivity, Arltgasse 35, 1160, Vienna, AUSTRIA;1. Department of Radiation Physics, Institute of Clinical Sciences, Sahlgren Academy, University of Gothenburg, Sweden;2. IRSN (Institut de Radioprotection et de Sûreté Nucléaire), Fontenay-aux-Roses, France;3. SÚRO (National Radiation Protection Institute), Prague, Czech Republic;4. SCK-CEN (Belgian Nuclear Research Centre), Mol, Belgium;5. CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas), Madrid, Spain;6. National Centre for Nuclear Research, Otwock, Poland;7. ENEA – Institute of Radiation Protection, Lab. of Radioactivity Measurement and Monitoring, Bologna, Italy;8. Hallands sjukhus, Sweden;9. Department of Medical Radiation Physics, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden;10. Forschungszentrum Jülich GmbH, Germany;11. CLOR (Central Laboratory for Radiological Protection), Warsaw, Poland;12. BFS (Bundesamt fuer Strahlenschutz), Neuherberg, Germany;13. Falu Lasarett, Falun, Sweden;14. Gävle sjukhus, Gävle, Sweden;1. Medical Physics Department, University Hospital “S. Orsola-Malpighi”, Bologna, Italy;2. Postgraduate School in Medical Physics, University of Bologna, Bologna, Italy;3. Nuclear Engeneering Laboratory of Montecuccolino, University of Bologna, Bologna, Italy;4. PET Radiopharmacy Unit, S. Orsola–Malpighi Hospital, Bologna, Italy;5. Postgraduate School in Medical Physics, Catholic University of Rome, Italy;1. National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk 634050, Russia;2. Institute of Monitoring of Climatic and Ecological Systems (IMCES), Siberian Branch of the Russian Academy of Sciences, 10/3 Academichesky Ave., Tomsk 634055, Russia;1. Universidad Politécnica de Madrid. C. José Gutierrez Abascal, 2, 28006 Madrid, Spain;2. Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas, CIEMAT, Avenida Complutense, 40, 28040 Madrid, Spain;3. Unidad Académica de Estudios Nucleares de la UAZ, C. Cipres, 10, 98068 Zacatecas, Mexico
Abstract:A novel free release measurement facility (FRMF) was developed within the joint research project “Metrology for Radioactive Waste Management” of the European Metrology Research Programme. Before and during FRMF design and construction, Monte Carlo calculations with MCNPX and PENELOPE codes were used to optimize the thickness of the shielding, the dimensions of the container, and the shape of detector collimators. Validation of the numerical models of the FRMF detectors and the results of the optimization are discussed in the paper.
Keywords:Free release measurement  Low activity measurement  Monte Carlo simulation  MCNPX  PENELOPE
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