MOP7303

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URL	https://doi.org/10.18429/JACoW-IPAC2026-MOP7303
Title	RF design progress of the 197 MHz crab cavity for EIC
Authors	B. Xiao, A. Blednykh, D. Holmes, G. Wang, G. Li, J. Brutus, Q. Wu, S. Verdu-Andres, W. Xu Brookhaven National Laboratory J. Mandel, J. Guo, J. Cox, N. Huque, R. Fernandes, Z. Conway Thomas Jefferson National Accelerator Facility J. Delayen, S. De Silva Old Dominion University Z. Li SLAC National Accelerator Laboratory
Abstract	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.
Paper	download: MOP7303.pdf
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Conference	17th International Particle Accelerator Conference
Series
Location	Deauville, France
Date	17-22 May 2026
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	Editorial Board
Online ISBN	978-3-95450-252-3
Online ISSN	2673-5350
Received	14 May 2026
Revised	19 May 2026
Accepted
Issued	20 July 2026
DOI	10.18429/JACoW-IPAC2026-MOP7303
Pages	1232-1235
Copyright	Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.