Effect of the geometrical parameters of an HPGe detector on efficiency calculations using Monte Carlo methods

A Subercaze, T Sauzedde, C Domergue… - Nuclear Instruments and …, 2022 - Elsevier
This paper describes a procedure for constructing a Monte Carlo model of an HPGe detector
used to measure activity. The purpose of this parametric study is to obtain a single model …

Calibration and use of well-type germanium detectors for low-level gamma-ray spectrometry of sediments using a semi-empirical method

M Díaz-Asencio, JA Sanchez-Cabeza… - Journal of …, 2020 - Elsevier
Gamma-ray spectrometry is a widely used technique to quantify the presence of numerous
radionuclides in environmental samples. In this work, we describe a methodology for …

Estimating thickness of the inner dead-layer of n-type HPGe detector

HD Chuong, TT Thanh, VH Nguyen… - Applied Radiation and …, 2016 - Elsevier
In this study, a procedure to estimate thickness of the inner dead-layer of an n-type coaxial
HPGe detector is described. Experimental measurements are carried out with standard point …

Full-Energy peak efficiency of an NaI (Tl) detector with coincidence summing correction showing the effect of the source-to-detector distance

AM El-Khatib, BA Salem, MS Badawi, MM Gouda… - Chinese journal of …, 2017 - Elsevier
The coincidence summing effect is considered to be one of the most important problems in γ-
ray spectrometry. It has played an important role in the detector calibration process …

Assessment of natural radioactivity levels and radiation exposure in new building materials in Spain

JL Mas, JRC Ramírez, SH Bermúdez… - Radiation Protection …, 2021 - academic.oup.com
Novel building materials were manufactured and analyzed for 226Ra, 232Th and 40K using
an HPGe gamma-ray spectrometer. The results show that the highest value of 40K was 4530 …

Radioactivity measurements in the aquatic environment using in-situ and laboratory gamma-ray spectrometry

G Eleftheriou, C Tsabaris, EG Androulakaki… - Applied Radiation and …, 2013 - Elsevier
The in-situ underwater gamma-ray spectrometry method is validated by inter-comparison
with laboratory method. Deployments of the spectrometer KATERINA on a submarine spring …

A comparison of 210Pbxs, 137Cs, and Pu isotopes as proxies of soil redistribution in South Spain under severe erosion conditions

A Peñuela, S Hurtado, V García-Gamero… - Journal of Soils and …, 2023 - Springer
Purpose The use of fallout radionuclides as proxies for the study of soil redistribution
processes in semiarid environments of Southern Spain has been restricted to 137Cs. The …

Determination of 226Ra, 228Ra and 210Pb in NORM products from oil and gas exploration: Problems in activity underestimation due to the presence of metals and …

S Landsberger, C Brabec, B Canion, J Hashem… - Journal of environmental …, 2013 - Elsevier
Typical calibration of solid environmental samples for the determination of 226 Ra, 228 Ra
and 210 Pb entails the use of standard reference materials which have a very similar matrix …

Recycling Bio-Based Wastes into Road-Base Binder: Mechanical, Leaching, and Radiological Implications

B Peceño, S Hurtado-Bermudez, B Alonso-Fariñas… - Applied Sciences, 2023 - mdpi.com
This work presents a physical, mechanical, durability, leaching, and radiological assay of
three wastes (egg and scallop shells and olive pomace ash) as road-base binders. Two …

Coincidence summing corrections for point and volume 152Eu sources

D Novković, M Đurašević, A Kandić, I Vukanac… - Applied Radiation and …, 2016 - Elsevier
In this article, the X-ray and gamma-ray coincidence summing effect in 152 Eu is studied.
Coincidence summing corrections and peak and total efficiencies of point and volume …