Magnet System of the New Electron Cooler for the CERN Antiproton Decelerator (AD) Ring | Zendy

L. von Freeden | Zendy; D. Schoerling | Zendy; M. Karppinen | Zendy

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Magnet System of the New Electron Cooler for the CERN Antiproton Decelerator (AD) Ring

Author(s) -

L. von Freeden,

D. Schoerling,

M. Karppinen

Publication year - 2025

Publication title -

ieee transactions on applied superconductivity

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.467

H-Index - 84

eISSN - 1558-2515

pISSN - 1051-8223

DOI - 10.1109/tasc.2025.3615919

Subject(s) - fields, waves and electromagnetics , engineered materials, dielectrics and plasmas

A new electron cooler for the Antiproton Decelerator (AD) ring at CERN is under construction and will be installed in the next long shutdown (2026-2028) to replace the existing 40-year-old device. This paper presents the design of the new electron cooler’s normal conducting magnet system comprising three straight solenoid sections joined by two toroidal field sections. Compared to the existing electron cooler magnet system, the new magnet system gives a factor five improvement of cooling region field quality. The field correction scheme used to achieve this improvement will be discussed in detail. The upgrade has the potential to reduce the length of the electron cooling plateaus in the AD cycle and thereby increase the number of antiprotons available to CERN’s rich antimatter physics program.

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