Calculation of gamma-ray mass attenuation coefficients of some Egyptian soil samples using Monte Carlo methods


Medhat M. E., DEMİR N., AKAR TARIM Ü., GÜRLER O.

RADIATION EFFECTS AND DEFECTS IN SOLIDS, vol.169, no.8, pp.706-714, 2014 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 169 Issue: 8
  • Publication Date: 2014
  • Doi Number: 10.1080/10420150.2014.918129
  • Journal Name: RADIATION EFFECTS AND DEFECTS IN SOLIDS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.706-714
  • Keywords: gamma ray, attenuation coefficient, Monte Carlo, soil, CONCRETE, DENSITY, NUMBERS, SYSTEM, CODE
  • Bursa Uludag University Affiliated: Yes

Abstract

Monte Carlo simulations, FLUKA and Geant4, were performed to study mass attenuation for various types of soil at 59.5, 356.5, 661.6, 1173.2 and 1332.5 keV photon energies. Appreciable variations are noted for all parameters by changing the photon energy and the chemical composition of the sample. The simulations parameters were compared with experimental data and the XCOM program. The simulations show that the calculated mass attenuation coefficient values were closer to experimental values better than those obtained theoretically using the XCOM database for the same soil samples. The results indicate that Geant4 and FLUKA can be applied to estimate mass attenuation for various biological materials at different energies. The Monte Carlo method may be employed to make additional calculations on the photon attenuation characteristics of different soil samples collected from other places.