Paper |
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TUPOJO11 |
Design of Beam Focusing System with Permanent Magnet for J-PARC LINAC MEBT1 |
MEBT, linac, focusing, emittance |
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- Y. Fuwa, K. Moriya, T. Takayanagi
JAEA/J-PARC, Tokai-mura, Japan
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Space charge compensation technology using higher-order multipole magnetic field components has been proposed to transport high-intensity charged particle beams for J-PARC LINAC MEBT1. In order to realize this compensation technology in a limited beam line space, we devised a compact-size combined-function multipole permanent magnet. This magnet can produce two multipole components at the same location on the beam line. As a first step, we have designed a magnet to simultaneously generate a fixed-strength quadrupole and an adjustable-strength octupole component using permanent magnet materials. In this magnet model, the magnetic circuit consists of two groups of magnets.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2022-TUPOJO11
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About • |
Received ※ 20 August 2022 — Revised ※ 27 August 2022 — Accepted ※ 30 August 2022 — Issue date ※ 02 September 2022 |
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