Journal
APPLIED RADIATION AND ISOTOPES
Volume 196, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2023.110768
Keywords
Gamma-ray spectrometry; Monte Carlo simulations
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In this work, gamma-ray spectrometry with HPGe detectors was used to measure the specific activity (Asp) of radionuclides in soils. The paper presents a general procedure for assessing the Asp in soils through in-situ acquisitions. Soil samples from two experimental sites were analyzed in the field with a portable HPGe detector and in the laboratory with a BEGe detector. Monte Carlo simulations were used to determine the detectors' efficiency at different gamma-ray energies and to assess the radionuclides' Asp from in-situ acquisitions. Finally, the applicability and limitations of this procedure are discussed.
In this work, gamma-ray spectrometry with HPGe detectors is used to measure radionuclides' specific activity (Asp) in soils. The main purpose of the paper is to present a general procedure to assess Asp in soils from in-situ acquisitions. The soil from two experimental sites was analyzed both in the field, with a portable HPGe detector, and in the laboratory, with a BEGe detector. Sample analysis in the laboratory provided a benchmark for the values of soil's Asp since it is easier to measure. Monte Carlo simulations were employed to obtain detectors' efficiency at different gamma-ray energies and allowed to assess radionuclides' Asp from in-situ acquisitions. Finally, the applicability and limitations of this procedure are discussed.
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