Results 81 to 90 of about 2,023 (158)

Photon and neutron shielding performance of boron phosphate glasses for diagnostic radiology facilities

Results in Physics, 2019
This study focuses on radiation shielding characteristics of Li2O, Al2O3 and ZnO-doped boron phosphate glasses containing PbO and Bi2O3. Mass attenuation coefficient (μ/ρ) values of the glasses have been calculated using MCNPX code at various photon ...
H.O. Tekin, E.E. Altunsoy, E. Kavaz, M.I. Sayyed, O. Agar, M. Kamislioglu   +5 more
doaj   +1 more source

Comparison of mass attenuation coefficients of concretes using FLUKA, XCOM and experiment results

, 2018
The mass attenuation coefficients of seven different types of normal and heavy concretes like ordinary, hematite-serpentine, ilmenite-limonite, basalt-magnetite, ilmenite, steel-scrap and steel-magnetite concretes has been simulated using FLUKA Monte ...
N.M. Badiger, T. Korkut, V.P. Singh
core   +1 more source

NIST XCOM: Photon Cross Sections Database

This web program, funded in part by the National Institute of Standards and Technology (U.S.) is used to calculate photon cross sections for scattering, photoelectric absorption and pair production, as well as total attenuation coefficients, in any ...

core  

Investigation of nano MgO loaded polyvinyl chloride polymer in protective clothing as a nonlead materials

Heliyon
Recently, investigation of advanced shielding materials to be used as an alternative to lead apron has become important. In the current study, MgO loaded into PVC matrix as a non-lead modern shielding composite was modeled to evaluate its performance on ...
Maryam Nasrabadi, Hossein Tavakoli-Anbaran, Ehsan Ebrahimibasabi   +2 more
doaj   +1 more source

The influence mechanism of radiation shielding functional ceramsite on the performance and microstructure of UHPC

Case Studies in Construction Materials
With the widespread application of nuclear energy technology, there is a growing demand for radiation-shielding building materials. Ultra-high-performance concrete (UHPC) stands out among many building materials for its superior mechanical properties and
Jun Yang, Jianyu Li, Gaozhan Zhang, Peng Zhou, Qingjun Ding, Mingming Wu   +5 more
doaj   +1 more source

Benchmarking PHITS Simulations with XCOM for Photon Attenuation Analysis of Iron Portland Concrete

This study evaluates photon attenuation characteristics of Iron-Portland (IP) concrete using Monte Carlo simulations with Particle Heavy Ion Transport System version 3.35 and benchmarks the mass attenuation coefficient results against XCOM calculations ...
Ngurah Ayu Ketut Umiati, Pandji Triadyaksa, Fajar Arianto, Meutia Rahmi Afifa   +3 more
core   +1 more source

Geant4 Monte Carlo code application in photon interaction parameter of composite materials and comparison with XCOM and experimental data

, 2016
In the present work, the applicability of Geant4 Monte Carlo code for mass attenuations of different types of composite materials such as building materials, glasses, plastics and water matrix at photon energies 59.5, 80, 356, 661.6, 1173.2 and 1332.5 ...
SINGH, V. P.; Karnatak University, MEDHAT, M. E.; Experimental Nuclear Physics Dept., Nuclear Research Centre, P.O.13759, Cairo, Egypt   +1 more
core   +1 more source

Augmentation Method for X-Ray Pulsar Navigation Using Time Difference of Arrival and Range Measurement, Based on Polarization Encoded Pulse Position Modulation

Aerospace
This paper addresses the use of the position difference between the reference satellite and the target spacecraft to improve X-ray pulsar navigation (XPNAV) for Earth orbit spacecraft.
Rong Jiao, Hua Zhang
doaj   +1 more source

Impact of bismuth concentration on radiation shielding and physical properties of quaternary cerium-doped borotellurite glasses: a comprehensive simulation study using Phy-X, XCom, and NgCal

The present study investigates the effect of bismuth oxide (Bi 2 O 3 ) concentration on the physical and radiation shielding properties of cerium-doped borotellurite glasses.
N. Ahmad, W. Y. W. Yusoff, N. A. M. Rusni, L. Hasnimulyati, A. Azuraida   +4 more
core   +1 more source

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

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   +1 more source