Results 11 to 20 of about 183,468 (342)

Investigation of gamma radiation shielding features for modified structural materials for nuclear energy and nuclear medicine [PDF]

open access: yesNuclear Technology and Radiation Protection, 2023
In this paper, shielding characteristics of three concrete samples with different B4C,Fe3O4,and BaSO4 contents were examined by determining their theoretical and experimental mass attenuation coefficients at photon energies of 15 MeV.
Zaripova Yuliya   +4 more
doaj   +1 more source

Investigation of Gamma Ray Buildup Factor for some Shielding Absorber

open access: yesCumhuriyet Science Journal, 2022
The purpose of this research is to observe and understand the processes by which gamma rays are attenuated in passing through absorber, and the effects of shielding geometry.
Hiwa Mohammad Qadr
doaj   +1 more source

Evaluation of mass attenuation coefficient of concrete sample for different traits

open access: yesBrazilian Journal of Radiation Sciences, 2022
Concrete is widely used in the world and is the main material for civil construction. Due to its properties, it has different uses such as structural, filling and shielding. The aim of this work is to compare experimental and theoretical mass attenuation
Luan Ferreira Bastos   +7 more
doaj   +1 more source

USE OF GAMMA–GAMMA COINCIDENCE TECHNIQUE IN INVESTIGATING GAMMA – RAYS ATTENUATION AT DIFFERENT ENERGIES

open access: yesTikrit Journal of Pure Science, 2023
A gamma–gamma fast –slow coincidence spectrometer composed of two 3"×3"NaI(Tl) detectors  and peripheral electronics is used in investigating some effects on the photo peak  after the penetration of gamma –rays from lead.
Mahmoud A. Elawi   +2 more
doaj   +1 more source

Gamma Radiation Shielding Properties of Slag and Fly Ash-based Geopolymers

open access: yesAtom Indonesia, 2021
Industrial waste-based geopolymer cement is a greener alternative to Ordinary Portland Cement (OPC) for radiation shielding with comparable mechanical properties without the production of CO2 during synthesis.
M. W. Hasan   +2 more
doaj   +1 more source

Towards understanding the relation between the gas and the attenuation in galaxies at kpc scales [PDF]

open access: yes, 2013
[abridged] Aims. The aim of the present paper is to provide new and more detailed relations at the kpc scale between the gas surface density and the face-on optical depth directly calibrated on galaxies, in order to compute the attenuation not only for
Baes, M.   +15 more
core   +15 more sources

Investigation of shielding of standard materials and glass for stopping 662 KeV gamma ray penetrations

open access: yesTikrit Journal of Pure Science, 2023
Calculations on shielding are required for building a gamma ray radiography exposure room to ensure that the workers are exposed to radiation. The linear attenuation coefficient ( ) is a measurement used to evaluate the radiation diffusion and ...
Berun Nasralddin Ghafoor   +1 more
doaj   +1 more source

A mathematical function for describing the dependence of the mass attenuation coefficient versus energy for composite materials in an energy range of 100 keV to 2 MeV [PDF]

open access: yesNuclear Technology and Radiation Protection, 2019
This work proposes a mathematical function for describing the dependence of mass attenuation coefficients vs. energy for composite materials in the range of 100 keV to 2 MeV.
Anh Nguyen Ti Kim   +3 more
doaj   +1 more source

Photon attenuations of trichloride of gadolinium by Geant4 and XCom: a comparative study

open access: yesJournal of Taibah University for Science, 2023
The total mass attenuation coefficient of trichloride gadolinium has been investigated utilizing Geant4 compared with WinXCom simulation data at energies; 1–10 MeV.
A. Saim   +8 more
doaj   +1 more source

DETERMINATION OF RADIATION SHIELDING PARAMETERS OF COCRFENITIALX ALLOYS BY USING RECENTLY DEVELOPED PHY-X/PSD AND EPIXS SOFTWARES

open access: yesJournal of Amasya University the Institute of Sciences and Technology, 2022
We calculate the radiation shielding parameters of CoCrFeNiTiAlx alloys which consist of mass attenuation coefficient, linear attenuation coefficient, mean free path, half-value layer, total atomic cross section, effective atomic number and effective ...
Nurettin Arpac, Murat Aygun
doaj   +1 more source

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