Background: The “Case 1” exercise described in the TG report 195 of the American Association of Physicists in Medicine was used. This exercise aims to verify the material attenuation of a filter of aluminum and the half and quarter-value layer calculations.
Purpose: The objective of this work was to perform an intercomparison exercise using two Monte Carlo codes, MCNPX and EGSnrc, and its recently released egs_kerma user code.
Methods: A collimated x-ray source was considered for two monoenergetic (30 and 100 keV) and two x-ray spectra (30 kVp Mo/Mo and 100 kVp W/Al) beams.
Results: The HVL and QVL results obtained using both MC codes were compared to the results provided by the TG 195. The average percentage deviations obtained between the results and the published by TG 195 were less than 1 % for both sources.
Conclusions: The results obtained between the MC codes were used to validate the newly released egs_kerma user code, which compared to cavity user code results have shown no differences.
Araújo, L. F., Ferreira, C. V., Silva, F., Paixão, L., & Fonseca, T. C. F. (2023). An Intercomparison Exercise Between EGSnrc and MCNPX for Validation of New egs_kerma User Code. Graduate Journal of Interdisciplinary Research, Reports and Reviews, 1(1), 3–10. Retrieved from https://jpr.vyomhansjournals.com/index.php/gjir/article/view/2
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