Dosimetric Comparison of Radiation Therapy and Proton Therapy in Prostate Cancer Using the Monte Carlo Simulation Platform GEANT4

Ghazi, Ismail; Sobhy, Zineb; Krim, M.; Kaanouch, Othmane; Tantaoui, Meriem; Kartouni, Abdelkrim; Inchaouh, J.; Chakir, H.; Ouaskit, S.

doi:10.3103/s0027134921050088

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2023

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“…As a result, accurate tracking of the projectile and the recoil target nucleus. 17 The scattering of two atoms is assumed to be a classical process, resulting in an interatomic potential described by a potential function:…”

Section: Methodsmentioning

confidence: 99%

Monte Carlo simulation of the lateral spread for proton beams in voxelized water phantom using GEANT4 platform

Kaanouch

Krim

Ghazi

et al. 2023

Jpn. J. Appl. Phys.

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An evaluation of the lateral spread that the proton beams undergo during their interactions with a water phantom has been performed. We calculated and evaluated the dose distribution spatially deposed of protons acceleration up to energies between 70 and 215 MeV using a voxelized water phantom as a 3D detector. A 0.1 mm3 size precision voxel was used to detect and calculate the deposed energy and dose in any area of the water phantom using the GEANT4 platform based on the Monte-Carlo Method simulation. We find that, regardless of the initial proton energy, the lateral spread follows a parabolic pattern as a function of depth, and the ratio of the radius at the Bragg peak to the depth of the Bragg peak is around 2.8%. A good agreement has been found compared to other analytical models, simulation methods, and especially to experimental data.

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Section: Methodsmentioning

confidence: 99%