Results 21 to 30 of about 382,494 (374)

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

Tikrit 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, LaithA. Abbas, Sarwa A. M. Salih   +2 more
doaj   +1 more source

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

Atom 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, S. Sugiharto, S. Astutiningsih   +2 more
doaj   +1 more source

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

Tikrit 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, Yadgar Hussein Shwan   +1 more
doaj   +1 more source

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

Journal 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, F. Belkharroubi, F.Z. Maroc, L.F. Blaha, I. Ameri, M. Ameri, A. Tebboune, M.N. Belkaid, Y. Al-Douri   +8 more
doaj   +1 more source

Effective Atomic Number, Mass Attenuation Coefficient Parameterization, and Implications for High-Energy X-Ray Cargo Inspection Systems

, 2017
W. G. J. Langeveld
openalex   +2 more sources

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

, 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., Bendo, G., Boissier, S., Boquien, M., Boselli, A., Buat, V., Ciesla, L., Cooray, A., Cortese, L., de Looze, I., Eales, S., Koda, J., Lebouteiller, V., Smith, M. W. L., Spinoglio, L., Wilson, C. D.   +15 more
core   +14 more sources

Advances in the measurements of the mass attenuation coefficients

X-Ray Spectrometry, 2018
The knowledge of atomic fundamental parameters, such as mass attenuation coefficients or fluorescence yields with low uncertainties, is of decisive importance in elemental quantification involving X‐ray fluorescence analysis techniques. Several databases providing the mass attenuation coefficients are accessible and frequently used within a large ...
Ménesguen, Yves, Dulieu, Christophe, Lépy, Marie-Christine   +2 more
openaire   +3 more sources

Calibration of an HPGe detector and self-attenuation correction for Pb-210: Verification by alpha spectrometry of Po-210 in environmental samples [PDF]

, 2007
In this work the calibration of an HPGe detector for Pb-210 measurement is realised by a liquid standard source and the determination of this radionuclide in solid environmental samples by gamma spectrometry takes into account a correction factor for ...
Bochud, F., Buchillier, T., Froidevaux, P., Laedermann, J.P., Moise, K.N., Saidou,   +5 more
core   +1 more source

Absorption Parameters for Glucose Solution for Gamma Ray at 59.54 keV

ARO-The Scientific Journal of Koya University, 2016
Photon absorption parameters for glucose solution at different concentrations such as linear attenuation coefficient, mass attenuation coefficient, effective atomic number, electron density and density determined at 59.54 keV photon energy.
Maan S. Al-Arif, Diyaree O. Kakil
doaj   +1 more source

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

Journal 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