FEM models and Fourier decomposition of three thick septa
Journal Article
·
· Journal of Instrumentation
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Here, the CEBAF recirculating linear accelerator uses 26 septa: 8 thin, 17 thick and one Lamberston. We report here on detailed FEM models of one thick current-sheet septum, the Lambertson, and a new thick-septum concept which contains features of both. The last has higher-order field components within a factor of two of the current-sheet septum and much lower current density in the conductor were it used as a 'drop-in' replacement in CEBAF. There are accelerator layouts in which the new concept is superior to the current sheet septum in both harmonic content and current density.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Grant/Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1481850
- Report Number(s):
- JLAB-ACO-18-2809; DOE/OR/23177-4539; arXiv:1809.10568
- Journal Information:
- Journal of Instrumentation, Vol. 13, Issue 11; ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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