Design of prototype magnets for FETS-FFA
Year: 2025
Type: conference-paper
Abstract: Fixed Field Alternating gradient accelerators (FFA) hold promise for pulsed high intensity applications. No such FFA has been constructed to date; therefore a prototype - the Front End Test Stand-FFA (FETS-FFA) has been pro- posed to explore the feasibility of using FFA technology for the next generation spallation neutron source, ISIS-II. A key component of this prototype is its main magnets, which must meet several critical requirements: maintaining zero chro- maticity during acceleration, offering tune point flexibility, and providing a large dynamic aperture. The selected lattice incorporates a doublet spiral magnet design for more flexi- ble operations in the tune space. The magnetic field profile is generated by distributed conductors wound over the pole face; a 3D analysis using OPERA software was conducted to evaluate the settings necessary to produce the desired field. The cell tune variation was found to be within ±0.0015 hor- izontally and ±0.002 vertically, for four different working tune points.
Source: JACOW
Authors: Kuo,Ta-Jen, Letchford,Alan, Jolly,Carl, Rogers,Chris, Kelliher,David, Rodriguez,Iker, Pasternak,Jaroslaw, Lagrange,Jean-Baptiste, Speed,Jonathan, Machida,Shinji, Brooks,Stephen
Language: English
Subfield: Aerospace Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
OpenAlex ID: W7104280733
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