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Description
The interaction region (IR) crab cavity system is a special RF system designed to compensate for the luminosity loss caused by the 25 mrad crossing angle at the interaction point (IP) of the Electron-Ion collider (EIC). The configuration includes six crab cavities in the Hadron (proton or ion) Storage Ring (HSR) - four operating at 197 MHz and two at 394 MHz - installed on each side of the IP, along with one 394 MHz crab cavity on each side of the IP in the Electron Storage Ring (ESR). This paper presents the recent progress in the RF design of the 197 MHz crab cavity, addressing the geometrical constraints, required crabbing voltages, multipole components, and the Higher Order Mode (HOM) power and impedance thresholds.
Funding Agency
Work supported by Brookhaven Science Associates, LLC under U.S. DOE contract No. DE-SC0012704, by Jefferson Science Associates, LLC under U.S. DOE Contract No. DE-SC0002769, and by DOE Contract No. DE
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