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New Gamma-Spectrometry Technologies for Environmental SciencesKeywords: radiometrics , HPGe-spectrometer , background , Monte Carlo simulation , underground laboratory , atmospheric radioactivity , global fallout , Chernobyl accident , Fukushima accident , radionuclide seawater profiles Abstract: HPGe-spectrometers operating in underground laboratories represent the most important recent achievements in the radiometric sector mainly because of better sensitivity, which enabled to decrease a sample size by about a factor of ten, and to carry out new applications of radionuclides as tracers of environmental processes.
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