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TY - CONF AU - Fedotov, A.V. AU - Drees, K.A. AU - Fischer, W. AU - Gu, X. AU - Kayran, D. AU - Kewisch, J. AU - Liu, C. AU - Mernick, K. AU - Minty, M.G. AU - Schoefer, V. AU - Zhao, H. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Operational Electron Cooling in the Relativistic Heavy Ion Collider J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - Since the invention of the electron cooling technique its application to cool hadron beams in colliders was considered for numerous accelerator physics projects worldwide. However, achieving the required high-brightness electron beams of required quality and cooling of ion beams in collisions was deemed to be challenging. An electron cooling of ion beams employing a high-energy approach with RF-accelerated electron bunches was recently successfully implemented at BNL. It was used to cool ion beams in both collider rings with ion beams in collision. Electron cooling in RHIC became fully operational during the 2020 physics run and led to substantial improvements in luminosity. This presentation will discuss implementation, optimization and challenges of electron cooling for colliding ion beams in RHIC. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2516 EP - 2520 KW - electron KW - operation KW - collider KW - cathode KW - cavity DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-WEXA02 UR - https://jacow.org/ipac2021/papers/wexa02.pdf ER -