Beam shaping with 4n-order multipole magnets

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Abstract

A uniformly irradiating beam is beneficial in spallation for preventing irregular wear on the target. For octupoles (n = 4) and higher-order (n = 4N) magnets, passing charged-particle bunches undergo symmetric shaping effects along the x and y axes. Using a Lie-mapping formalism, we illustrate how well Gaussian distributions can be flattened symmetrically in 2D with single, dual-pulse, and RF magnets of 4N order. Incidental shaping effects are also discussed.

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  • Fusion, Plasma and Space Physics
Original languageEnglish
Article number012071
JournalJournal of Physics: Conference Series
Volume874
Issue number1
Publication statusPublished - 2017 Jul 20
Publication categoryResearch
Peer-reviewedYes
Event8th International Particle Accelerator Conference, IPAC 2017 - Bella Center, Copenhagen, Denmark
Duration: 2017 May 142017 May 19