Beam exchange of a circulator cooler ring with an ultrafast harmonic kicker

In this paper, we describe a harmonic kicker system used in the beam exchange scheme for the circulator cooling ring (CCR) of the Jefferson Lab Electron-Ion Collider. By delivering an ultrafast deflecting kick, a kicker directs electron bunches selectively in/out of the CCR without degrading the bea...

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Bibliographic Details
Published inPhysical review. Accelerators and beams Vol. 24; no. 6; p. 061002
Main Authors Park, Gunn Tae, Guo, Jiquan, Rimmer, Robert A., Wang, Haipeng, Wang, Shaoheng
Format Journal Article
LanguageEnglish
Published College Park American Physical Society 01.06.2021
Subjects
Cooling
Exchange schemes
Ion beams
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Summary:In this paper, we describe a harmonic kicker system used in the beam exchange scheme for the circulator cooling ring (CCR) of the Jefferson Lab Electron-Ion Collider. By delivering an ultrafast deflecting kick, a kicker directs electron bunches selectively in/out of the CCR without degrading the beam dynamics of the CCR optimized for ion-beam cooling. We will discuss the design principle of the kicker system and demonstrate its performance with various numerical simulations. In particular, the degrading effects of realistic harmonic kicks on the beam dynamics, such as 3D kick field profiles interacting with the magnetized beam, are studied in detail with a scheme that keeps the cooling efficiency within allowable limits.
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USDOE
AC05-06OR23177
ISSN:2469-9888
2469-9888
DOI:10.1103/PhysRevAccelBeams.24.061002