Monte Carlo simulation of the self-absorption corrections for natural samples in gamma-ray spectrometry

MJ Vargas, AF Timón, NC Dıaz, DP Sánchez - Applied Radiation and …, 2002 - Elsevier
Gamma-ray self-attenuation corrections in the energy range 60–2000keV were evaluated by
means of Monte Carlo calculations for environmental samples in a cylindrical measuring …

[PDF][PDF] Spectroscopic techniques for detecting naturally occurring radioactive nuclides in geology and water: A comprehensive review and health implications

MH Fathy, F Shaban, TM Fawzy… - Journal of Geography …, 2024 - researchgate.net
Naturally occurring radionuclides can be categorized into two main groups: primordial and
cosmogenic, based on their origin. Primordial radionuclides stem from the Earth's crust …

Study of efficiency calibrations of HPGe detectors for radioactivity measurements of environmental samples

S Harb, K Salahel Din, A Abbady - 2008 - inis.iaea.org
In this paper, we describe a method of calibrating of efficiency of a HPGe γ-ray spectrometry
of bulk environmental samples (Tea, crops, water, and soil) is a significant part of the …

Self-absorption correction and efficiency calibration for radioactivity measurement of environmental samples by gamma-ray spectrometry

R Misiak, R Hajduk, M Stobiński, M Bartyzel… - Nukleonika, 2011 - infona.pl
In this work empirical functions which relate the full-energy peak efficiency with sample
height, energy, matrix composition and bulk density for voluminal samples in a cylindrical …

Direct determination of radionuclides in building materials with self-absorption correction for the 63 and 186 keV γ-energy lines

M Długosz-Lisiecka, M Ziomek - Journal of Environmental Radioactivity, 2015 - Elsevier
The use of 911 keV and 129 keV γ-line intensity ratio has been applied for self-absorption
correction of the 63 keV 234 Th (238 U) and 186 keV (226 Ra and 235 U) lines in typical …

Efficiency calibration and measurement of self-absorption correction for environmental gamma-spectroscopy of soil samples using Marinelli beaker

M Mostajaboddavati, S Hassanzadeh… - … of Radioanalytical and …, 2006 - inis.iaea.org
[en] A nonlinear function was applied in combination with the method of mixing activity
calibration for fitting the experimental peak efficiency of HPGe spectrometers in the 50-2614 …

Optimization of the marinelli beaker dimensions using genetic algorithm

SM Zamzamian, SA Hosseini, M Samadfam - Journal of environmental …, 2017 - Elsevier
A computational code, based on the genetic algorithm and MCNPX version 2.6 code was
developed and used to investigate the effects of some important parameters of HPGe …

Self-absorption correction in determining the 238U activity of soil samples via 63.3 keV gamma ray using MCNP5 code

NQ Huy, VX An, TTH Loan, NT Can - Applied Radiation and Isotopes, 2013 - Elsevier
The essential issue in analyzing the activity of 238U in an HPGe detector based gamma
spectrometer via 63.3 keV line is relating to the strong self-absorption of this weak gamma …

[HTML][HTML] Natural radiation levels in powdered milk samples

FL Melquiades, CR Appoloni - Food Science and Technology, 2004 - SciELO Brasil
The control and monitoring of radioactive elements in foodstuffs is fundamental for human
health maintenance. This work presents procedures to measure radioactivity levels in …

Efficiency Calibration of a HPGe Detector and Environmental Samples Measurement of Self-Absorption Correction Factors

M Lotfi, SM Mostajabodavati… - Journal of Nuclear …, 2014 - jonsat.nstri.ir
Gamma spectroscopy was performed on Marinelli beaker standards containing soil with
different densities of ρ= 1 to 1.5 gr cm-3 upon using a HPGe detector. The spectra were …