Decorporation Agents for Internal Radioactive Contamination

Radioactive contamination of scintillators

Low counting experiments (search for double β decay and dark matter particles, measurements of neutrino fluxes from different sources, search for hypothetical nuclear and subnuclear processes, low background α, β, γ spectrometry) require extremely low background of a detector. Scintillators are widely used to search for rare events both as conventional scintillation detectors and as cryogenic s...

Assessment of Internal Contamination with Radioactive Iodine for Radiation Workers Two-case Studies

For the purpose of occupational radiation protection against ionizing radiation, it is important to assess radiation risks due to any contamination events. Effective dose equivalent and body organs dose of workers exposed to 131 I have been estimated in this work. For this sake, both MONDAL 2.0 software and Visual Monte Carlo-dose calculation (VMC-dc) programs were applied. The cases under cons...

Lanthanum Bromide Scintillation Detector for Gamma Spectrometry Applied in Internal Radioactive Contamination Measurements

Apariţia de noi tipuri de detectori cu scintilatori anorganici LaBr3(Ce) şi LaCl3(Ce), a generat necesitatea testării lor pentru diferite aplicaţii. Ca o alternativă a detectorului NaI(Tl), utilizat, în mod tradiţional, în sistemele gama de monitorizare a I-131, în tiroidă, a fost considerat pentru caracterizare, un detector LaBr3(Ce), de dimensiuni 1.5“ x 1.5”. Rezultatele au fost evaluate, ur...

Thule-2003 - Investigation of Radioactive Contamination

Radioactive contamination of ZnWO4 crystal scintillators

The radioactive contamination of ZnWO4 crystal scintillators has been measured deep underground at the Gran Sasso National Laboratory (LNGS) of the INFN in Italy with a total exposure 3197 kg × h. Monte Carlo simulation, time-amplitude and pulse-shape analyses of the data have been applied to estimate the radioactive contamination of the ZnWO4 samples. One of the ZnWO4 crystals has also been te...