Characterization system for germanium detectors and other developments for gamma spectroscopy applied to nuclear waste characterization

Nuclear industry, to produce energy for example, produces also some radioactive waste. Legislation requires producers to sort their waste by activity and type of isotopes, and to package them in order to forward them to the appropriate reprocessing or storage facility. Our lab LMDE (Laboratoire de Mesures sur Déchets nucléaires et Expertise) is in charge of the characterization of the majority of waste produced by CEA-Valduc. As measurements we do have to be reliable, we also develop methods and techniques to improve them. We present to this symposium our characterization bed for germanium detectors, based on measurements and Geant4 simulations, and our study on object characterization.