Results 11 to 20 of about 205,334 (309)

Peak Area Consistency Evaluation in Gamma Spectrometry [PDF]

open access: yesEPJ Web of Conferences, 2021
Quantification of radionuclide activities in gamma spectrometry can be a challenging task. It depends on efficiency calibration, peak area calculation, nuclide decay data and correction factors, such as attenuation correction or true coincidence summing ...
Persson Henrik, Phillips Kara
doaj   +1 more source

Extended-Range Luminescence Dating of Central and Eastern Amazonia Sandy Terrains

open access: yesFrontiers in Earth Science, 2022
The Amazonia biome hosts upland closed and open vegetation ecosystems, in which the current biogeographical patterns relate to the evolution of the physical landscape.
Fernanda Costa G. Rodrigues   +13 more
doaj   +1 more source

Technical note: Quantifying uranium-series disequilibrium in natural samples for dosimetric dating – Part 1: gamma spectrometry [PDF]

open access: yesGeochronology, 2022
Dosimetric dating techniques rely on accurate and precise determination of environmental radioactivity. Gamma spectrometry is the method of choice for determining the activity of 238U, 232Th, and 40K.
B. Mauz, P. J. Nolan, P. G. Appleby
doaj   +1 more source

Coincidence gamma-ray spectrometry [PDF]

open access: yes, 2017
Gamma-ray spectrometry with high-purity germanium (HPGe) detectors is often the technique of choice in an environmental radioactivity laboratory. When measuring environmental samples associated activities are usually low so an important parameter that describes the performance of the spectrometer for a nuclide of interest is the minimum detectable ...
Markovic, Nikola   +2 more
openaire   +3 more sources

Determination of Ra in TENORM Sample Considering Radon Leakage Correction [PDF]

open access: yesJournal of Radiation Protection and Research, 2021
Background Phosphogypsum is material produced as a byproduct in fertilizer industry and is generally used for building materials. This material may contain enhanced radium-226 (226Ra) activity concentration compared to its natural concentration that may ...
Sooyeon Lim   +3 more
doaj   +1 more source

Optically Stimulated Luminescence Sensitivity of Quartz for Provenance Analysis

open access: yesMethods and Protocols, 2020
Finding the source or provenance of quartz grains occurring in a specific location allows us to constrain their transport pathway, which is crucial information to solve diverse problems in geosciences and related fields.
André Oliveira Sawakuchi   +6 more
doaj   +1 more source

Application of advanced spectral-ratio radon background correction in the UAV-borne gamma-ray spectrometry

open access: yesNuclear Engineering and Technology, 2023
The influence of the atmospheric radon background on the airborne gamma spectrum can seriously affect researchers’ judgement of ground radiation information.
Jigen Xia   +9 more
doaj   +1 more source

Gamma spectrometry of coolant lines of KAMINI reactor

open access: yesRadiation Protection and Environment, 2023
Gamma spectrometry of the KAMINI reactor coolant lines at the selected spots/locations was carried out during 20kWt power and shutdown using portable spectrometers such as RIIDEye-X, RayMon (Cadmium Zinc Telluride), and hyper pure germanium.133Xe (81 keV)
T K Srinivasan   +3 more
doaj   +1 more source

Scattering of gamma radiation by air in the ambient environment using gamma ray spectrometry

open access: yesKuwait Journal of Science, 2023
The intensity of gamma radiation reduces as it traverses through matter. The gamma radiation from earth’s surface is attenuated by non-radioactive burden between the ground and the detector.
Anita Mishra, Raju Khanal
doaj   +1 more source

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