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Published on: September 2, 2025
3D magnetic field modeling and beam optics validation for a static gantry system
H Zhao1,2, M Fukuda3, A Gerbershagen4
1Research Center for Nuclear Physics (RCNP), The University of Osaka, 10-1 Mihogaaka, Ibaraki, Osaka, 567-0047, Japan. zhao@rcnp.osaka-u.ac.jp.
Abstract:
In this work, we developed a 3D computational framework to evaluate the beam transport performance of a static gantry proposed in previous studies. This static gantry enables magnetically driven azimuthal angle selection via tailored fields rather than mechanical rotation, yet its practical feasibility requires rigorous simulation-based evaluation. Our approach utilizes full 3D magnetic field modeling in Opera3D coupled with a custom phase-ellipse tracking program. This integrated workflow captures realistic 3D fringe-field effects and quantitatively evaluates the optical limits driven by momentum spread and boundary edge-focusing. By identifying these primary limitations, this platform provides the requirements and a practical foundation to guide the development and optimization of future static gantry designs.
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