Results 1 to 10 of about 1,169 (167)

Shielding features of concrete types containing sepiolite mineral: Comprehensive study on experimental, XCOM and MCNPX results

Results in Physics, 2018
Natural sepiolite mineral is a naturally occurring clay form belonging to a part of layered silicate. Because of its advantages such as low production cost, light-weight and convenient, it may be selected as an alternative shielding material to others ...
M I Sayyed, Osman Agar, H O Tekin
exaly   +5 more sources

Comparison of Monte Carlo simulation of gamma ray attenuation coefficients of amino acids with XCOM program and experimental data

Results in Physics, 2018
The mass attenuation coefficients (μ/ρ), effective atomic numbers (Zeff) and electron densities (Ne) of some amino acids obtained experimentally by the other researchers have been calculated using MCNP5 simulations in the energy range 0.122–1.330 MeV ...
Shams Issa, M I Sayyed, M G Dong
exaly   +3 more sources

Accuracy of Phy-X/PSD Software Compared to XCOM in the Determination of Mass Attenuation Coefficient of Glass Systems

Journal of Applied Sciences and Environmental Management, 2022
Phy-X/PSD and XCOM are two software programs used for computations in radiation shielding and nuclear energy research. This study aims to compare the accuracy of Phy-X/PSD with that of XCOM in the determination of mass attenuation coefficient (MAC) of ...
M. Alhassan, J. T. Baraya, A. S. Garba   +2 more
doaj   +2 more sources

Gamma Ray Shielding Study of Barium–Bismuth–Borosilicate Glasses as Transparent Shielding Materials using MCNP-4C Code, XCOM Program, and Available Experimental Data

Nuclear Engineering and Technology, 2017
In this work, linear and mass attenuation coefficients, effective atomic number and electron density, mean free paths, and half value layer and 10th value layer values of barium–bismuth–borosilicate glasses were obtained for 662 keV, 1,173 keV, and 1,332 
Reza Bagheri, Hassan Yousefnia, Alireza Khorrami Moghaddam   +2 more
exaly   +3 more sources

Analysis of water-equivalent materials used during irradiation in the clinic with XCOM and BEAMnrc

Journal of Radiation Research and Applied Sciences, 2019
The devices used in the departments of Radiology, Nuclear Medicine, and Radiation Oncology should check for precise dose at some periods. The purpose of study is to compare the materials used for dosimetric control using Monte Carlo (MC) simulation. For MC simulation, BEAMnrc and DOSXYZnrc were used.
Taylan Tugrul, Osman EROĞUL
exaly   +4 more sources

High-density lead-free alloys for compact and sustainable photon shielding: a Monte Carlo and benchmarking study [PDF]

Scientific Reports
The quest for next-generation radiation shielding hinges on finding lead-free alloys that balance high density with environmental safety. In this work, we targeted three transition metal arsenides (VAs, MoAs, and TaAs) to determine their efficacy against
Morad Khalid Hamad
doaj   +2 more sources

The improved extrapolated center of mass enhances the safety of exoskeleton system [PDF]

Scientific Reports
Maintaining the balance and safety of the exoskeleton human–robot coupling system is a prerequisite for realizing the rehabilitation training function. Therefore, research on the balance of lower limb exoskeleton robots has attracted much attention. When
Chang Wang, Jian Cao, Jianhua Zhang, Junhui Wang, Qiang Yang, Song Men   +5 more
doaj   +2 more sources

Experimental and simulation study of shielding features of polyester/HgO composites against photons using GEANT4 and MCNP codes [PDF]

Scientific Reports
In this study, the shielding properties of six samples of the polyester (PE)/HgO composite against photons with an energy range of 0.01–15 MeV (including a 137Cs source with an energy of 662 keV) are evaluated.
Vafa Zebardast, Akbar Abdi Saray
doaj   +2 more sources

Radiation shielding characteristics of HDPE/tungsten oxide nanocomposites reinforced with graphene oxide and LDPE using Geant4, XCOM and experiment [PDF]

Polyolefins Journal
This research aims to determine and quantify the radiation shielding characteristics of high-density polyethylene/ tungsten oxide (HDPE/WO3) nanocomposites including the linear attenuation coefficient (μ), mass attenuation coefficient (μ/ρ), half-value ...
Shahryar Malekie, Mohammad Amin Hosseini, Ahmadreza Abiz, Fatemeh Bolourinovin, Suffian Mohamad Tajudin   +4 more
doaj   +2 more sources

Exploring green environmental composites as hosts for shielding materials using experimental, theoretical and Geant4 simulation methods [PDF]

Scientific Reports
Rice straw is considered an agricultural waste harmful to the environment, which is abundant in most parts of the world. From this point, the present study is devoted to preparing new composites of two types of glue based on rice straw as a plentiful ...
Mahmoud T. Alabsy, Mahmoud I. Abbas, Mahmoud A. Sharaby, Mohamed Abd Elzaher, A. S. Doma, Ahmed M. El-Khatib   +5 more
doaj   +2 more sources