Results 101 to 110 of about 13,336 (205)

k0-PGNAA of pollutants in aqueous samples using MCNP code [PDF]

Ядерна фізика та енергетика, 2014
Prompt γ-neutron activation analysis (PGNAA) using the k0 method by employing the 1951.1 keV γ-line of the 35Cl(n, γ)36Cl thermal neutron reaction as monostandard comparator was described.
A. Hamid, Hesham Shahbunder
doaj  

Simulation of Structural Effects on Detection Efficiency in P-Type Coaxial High-Purity Germanium Detectors Using the Monte Carlo Method

Journal of Isotopes
Determining the full-energy peak efficiency (FEPE) of a high-purity germanium (HPGe) detector through experimental methods or Monte Carlo (MC) simulations is crucial for accurate radionuclide quantification. This study presents a meticulously constructed
Zi’ang QUE, Xiaoyong HAO, Gaokui HE, Yang LIU, Jiangbin ZHAO, Chao WANG   +5 more
doaj   +1 more source

Radiation protective qualities of some selected lead and bismuth salts in the wide gamma energy region

Nuclear Engineering and Technology, 2019
The lead element or its salts are good radiation shielding materials. However, their toxic effects are high. Due to less toxicity of bismuth salts, the radiation shielding properties of the bismuth salts have been investigated and compared to that of ...
M.I. Sayyed, F. Akman, M.R. Kaçal, A. Kumar   +3 more
doaj   +1 more source

GEANT4 models of HPGe detectors for radioassay

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2019
Radiation transport models of two high purity germanium detectors, GeII and GeIII, located at the University of Alabama have been created in GEANT4 \cite{geant4}. These detectors have been used extensively for radioassay measurements of materials used in various low background experiments.
Tsang, R. H. M., Piepke, A., Auty, D. J., Cleveland, B., Delaquis, S., Didberidze, T., MacLellan, R., Meng, Y., Nusair, O., Tolba, T.   +9 more
openaire   +3 more sources

MEASUREMENT OF THE ABSOLUTE EFFICIENCY OF A SEMICONDUCTOR DETECTOR USING AN ISOTROPIC SPHERICAL SOURCE [PDF]

Journal of Engineering Science and Technology, 2018
The calibration of hyper pure germanium semiconductor detectors is required to calculate the activity of radioactive sources. To find out the activity, the detector full-energy peak efficiency is required.
GHARAM ABDULLAH ALHARSHAN
doaj  

Investigating Influential Parameters for High-Purity Germanium Crystal Growth

Crystals
This paper focuses on the research and development of high-purity germanium (HPGe) crystals for detector fabrication, specifically targeting applications in rare-event physics searches.
Sanjay Bhattarai, Dongming Mei, Narayan Budhathoki, Kunming Dong, Austin Warren   +4 more
doaj   +1 more source

Measurement of the prompt fissionγ-ray spectrum of 242Pu

EPJ Web of Conferences, 2018
The prompt γ-ray spectrum of fission fragments is important in understanding the dynamics of the fission process, as well as for nuclear engineering in terms of predicting the γ-ray heating in nuclear reactors.
Urlass Sebastian, Beyer Roland, Junghans Arnd Rudolf, Kögler Toni, Schwengner Ronald, Wagner Andreas   +5 more
doaj   +1 more source

Evaluation of the Central Copper Contact Pin Effect in High-Energy Region in Gamma-ray Spectrometry

Cumhuriyet Science Journal
The detector must be modeled in the most accurate way when Monte Carlo simulation method is used for efficiency calculation in gamma-ray spectrometric studies. This study aims to investigate the effect of the copper contact pin inside the detector on the
Esra Uyar
doaj   +1 more source

HPGe-Compton Net: a physics-guided CNN for fast gamma spectra analysis via Compton region learning

Machine Learning: Science and Technology
High-purity germanium (HPGe) detectors have been golden standard for gamma spectrometry in low-level radioactive waste (LLW) analysis; however, their notable shortcoming is prolonged measurement durations for weak radioactive waste materials. The present
Yanfeng Xie, Yiming Weng, Soo Hyun Byun
doaj   +1 more source

Impact of non-uniform dead layer distribution on efficiency calibration for volumetric sources in HPGe detectors

Nuclear Engineering and Technology
Accurate characterization of the HPGe detector dead layer is crucial for reliable Monte Carlo simulations in gamma-ray spectrometry. This study investigates the impact of source geometry on the determination of the effective dead layer thickness ...
Thi Yen Hong Huynh, Huu Ngan Thy Truong, Ngoc Ba Vu   +2 more
doaj   +1 more source