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Alternating Phase Focusing Under Influence of Space Charge Defocusing |
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- S. Lauber, W.A. Barth, R. Kalleicher, M. Miski-Oglu
HIM, Mainz, Germany
- W.A. Barth, M. Miski-Oglu, S. Yaramyshev
GSI, Darmstadt, Germany
- W.A. Barth
KPH, Mainz, Germany
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Alternating phase focusing (APF) recently emerged as a promising beam dynamics concept for accelerating bunched proton or ion beams in drift tube linear accelerators, eliminating the need for additional transverse and longitudinal focusing lenses. The performance of APF systems, similar to radio frequency quadrupoles, heavily relies on the employed focusing lattice, including the particle synchronous phase in each gap, as well as various hyperparameters such as the number of gaps, the focusing gradient, and the required beam acceptance. However, to fully utilize the cost advantages and mechanical simplicity of APF drift tube linacs, specialized software tools are necessary to streamline the accelerator development process. After successful developement of the HELIAC-APF-IH-DTL for low current and continuous wave duty cycle, this paper presents the design concepts for APF cavities tailored for high-current applications, aiming to facilitate the design and implementation of APF-based accelerators.
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Slides THA2C4 [4.986 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-HB2023-THA2C4
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| About • |
Received ※ 06 October 2023 — Revised ※ 08 October 2023 — Accepted ※ 11 October 2023 — Issued ※ 18 October 2023 |
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