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All Journal Atom Indonesia
A. Didi
Laboratory of Sciences and Health Technologies, High Institute of Health Sciences, Hassan First University of Settat, BP 555, Settat, 26000, Morocco
Energy Physics

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Proton and Helium-4 Ion Beams for Hadron Therapy: Depth, Lateral, and Secondary Particle Dose Calculations O. Allaoui; A. Didi; E. M. Alibrahmi; E. M. Chakir; Z. Sadoune
Atom Indonesia Article In Press
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/aij.2026.1717

Abstract

This study compares Monte Carlo simulations of dose distributions from proton and helium-4 ion beams in an aqueous medium using the MCNP code. Proton beams (60-240 MeV) and helium-4 beams (80-240 MeV, 520 MeV) are evaluated for their ballistic properties in hadron therapy, including penetration depth, lateral dose spread, and secondary particle production. Helium-4 ions, with higher mass and charge, exhibit sharper Bragg peaks and less lateral scattering than protons, suggesting better dose conformity. They also produce fewer long-range secondary particles, potentially reducing unintended dose to healthy tissues. These results highlight the potential of helium-4 ions as a viable alternative to proton therapy for more precise dose control and reduced collateral damage.
Co-Authors E. M. Alibrahmi E. M. Chakir O. Allaoui Z. Sadoune