Nanodosimetry: A Study Using The Monte Carlo Code PENELOPE For The TG 6.2 of EURADOS WG 6
Keywords:
Nanodosimetry, Monte Carlo Simulation, PENELOPE, Low Energy ElectronsAbstract
Background: New technological developments have been made to measure absorbed dose on a small scale, especially at the micro- and nanoscale. Studies have been carried out with short-range ionizing radiation and low-energy particles in human cells to analyse the effect and response of DNA.
Purpose: In this work, a scenario in which a radioactive 125I irradiating several spheres of liquid water were simulated using the EURADOS exercise for computer-aided dosimetry.
Methods: The modelling and simulations were performed with PENELOPE Monte Carlo simulation code. The energy deposited on the targets was used for calculation and analysis.
Results: The obtained results were within acceptable uncertainties of up to 2% in all simulated cases. The average deviation of the results for the two different collisions configurations and the average deviation of the uncertainties obtained in the liquid water targets were 2.5% and 21%, respectively.
Conclusions: The code response was appropriate for the simulated deposited energies in the liquid water sphere, which showed a behavior curve in all configurations and quantitative differences with respect to the first target for different types of collisions.
Keywords: Nanodosimetry, Monte Carlo Simulation, Low Energy Electrons, PENELOPE
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Copyright (c) 2023 Lucas Araújo; Telma Fonseca (Author)
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