Photon attenuation coefficients of thermoluminescent dosimetric materials by Geant4 toolkit, XCOM program and experimental data: A comparison study

• Photon attenuation of dosimetric materials using Geant-4 is modeled.
• Good agreement among Geant4, XCOM and experimental was observed.
• Geant4 toolkit may be employed to analogous calculations of other materials.

The mass attenuation coefficients, μ/ρ of some thermoluminescent dosimetric materials with potential applications as personnel dosimeters, have been investigated using Geant4 simulation toolkit. Appreciable variations are noted for the μ/ρ values by changing the photon energy and chemical compositions. The Geant4 toolkit simulation results of μ/ρ are compared with experimental data wherever possible. Comparisons are also made with predictions from the XCOM program in the energy region from 1 keV to 100 GeV. Good agreement among Geant4 toolkit simulation, XCOM program and experimental data indicate that the Geant4 toolkit may be employed to make calculations on the μ/ρ values of various dosimetric materials. The results indicate that this process can be followed to determine the interaction of photon with the several energies in different materials.