Abstract

The present work aims to calculate Hp(3) conversion coefficients from air Kerma for mono energetic photons (from 10 to 10 MeV) using EGSnrc and MCNP6 Monte Carlo codes. Absorbed dose and Kerma are calculated into a cylindrical phantom corresponding to that applied in the ORAMED Project. MCNP6 results are found in a good agreement with the reference data (ORAMED Project) with a local difference about 0.7%. On the other hand, the results obtained by EGSnrc/DOSRZnrc are close to the reference data with a local difference less than 1% for angles of incidence from 0° to 180°-degrees, except at 90° and 120° angles the difference is increased due to the complex geometry of the phantom. We are validated DOSRZnrc based EGSnrc code for calculating Hp(3) conversion coefficients for mono-energetic photons.

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