An Intercomparison Exercise Between EGSnrc and MCNPX for Validation of New egs kerma User Code
Keywords:
Computational Modelling, Monte Carlo Simulation, egs kerma, MCNPX, EGSnrc, TG 195Abstract
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 intercom-parison exercise using two Monte Carlo codes,
MCNPX and EGSnrc, and its recently released egs kerma user code.
Method: A collimated X-ray source was considered for two mono-energetic (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.
Keywords: Computational Modelling, Monte Carlo Simulation, egs kerma, TG 195, EGSnrc, MCNPX.
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Articles in the Graduate Journal of Interdisciplinary Research, Reports and Reviews (Grad. J. InteR3) by Vyom Hans Publications are published and licensed under a Creative Commons Attribution- CC-BY 4.0 International License.
