Photon attenuation coefficients of oxide dispersion strengthened steels by Geant4, XCOM and experimental data. (August 2019)

• Record Type: Journal Article
• Authors: Li, Jingtai; Huang, Mei; Hou, Rongbin; Ouyang, Xiaoping
• Is Part Of: Radiation physics and chemistry. Volume 161(2019:Aug.)
• Page Start: 23
• Page End: 28
• Publication Date: 2019-08
• Subjects: Geant4 -- XCOM -- Oxide dispersion strengthened steels -- Photon attenuation coefficients; Radiation chemistry -- Periodicals; Radiometry -- Periodicals; Radiation -- Periodicals; Chimie sous rayonnement -- Périodiques; 539.2
• DOI: 10.1016/j.radphyschem.2019.03.042
• Languages: English
• ISSNs: 0969-806X

Abstract

Abstract: The total mass attenuation coefficients ( μ/ρ ) of oxide dispersion strengthened (ODS) steels have been investigated by using Geant4 simulation toolkit at energies ranging from 0.01 MeV to 100 GeV. Moreover, Geant4 is applied to further study on the partial mass attenuation coefficient of three main interactions including photoelectric effect, compton scattering, gamma conversion between incident photon and ODS steels. Then molecular cross-section (σm ) and mean free path ( λ ) are obtained by the total mass attenuation coefficients. The results obtained by Geant4 are compared with those obtained by experiments and XCOM program and these results agree with each other very well. It is concluded that Geant4 Monte Carlo toolkit is a powerful tool in studying interaction of photons in material and energies. The shielding parameters of ODS steels presented in this paper can be very useful for the potential nuclear application and other industries in future. Highlights: The μ/ρ of ODS steels have been studied by Geant4 at energies from 0.01 MeV to 100 GeV. The results gained by Geant4 agree with those gained by experiments and XCOM well. The partial μ/ρ of three main interactions between photon and ODS steels are studied.