Magnetic Septa for the SIS100 Accelerator at FAIR

The future heavy ion synchrotron SIS100 will have a series of two dc magnetic septa for the injection and three dc septa on the extraction line. The extraction line will allow for two different extraction schemes for vertical fast extraction and initially horizontal slow extraction. The latter requi...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2018-04, Vol.28 (3), p.1-3
Main Authors: Rottlander, Peter, Muhle, Carsten, Leibrock, Hanno, Wilfert, Stefan, Pyka, Niels, Will, Christina, Sturm, Wilfried, Spiller, Peter
Format: Article
Language:English
Subjects:
Accelerator magnets
Conductors
Cooling
Current density
electromagnets
magnetic fields
Magnetic flux
Magnetic resonance
magnetic shielding
Structural beams
Superconducting magnets
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Summary:The future heavy ion synchrotron SIS100 will have a series of two dc magnetic septa for the injection and three dc septa on the extraction line. The extraction line will allow for two different extraction schemes for vertical fast extraction and initially horizontal slow extraction. The latter requires, among other components, two additional Lambertson-type septa. The design of the magnets had to account not only for creating a high field with a narrow septum width, but also had to find way of providing bakeout jackets while limiting the technicians' exposure to radiation. Another issue was to minimize the chance of failure, e.g., by limiting the number of soldered joints with contact to the cooling channels and by reducing the current density with help of wedge-shaped conductors. The injection septa are under construction while some design work is still in progress for the extraction septa. We will present some of our solutions and concepts.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2018.2791964