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TY - UNPB AU - Rimmer, R.A. AU - Henry, J. AU - Marhauser, F. AU - Turlington, L. AU - Wang, H. AU - Wang, S. ED - Zhao, Ning ED - Poole, John ED - Schaa, Volker RW TI - State-of-the-Art SRF Cavities for CW Applications J2 - Proc. of eeFACT2016, Daresbury, UK, October 24-27, 2016 C1 - Daresbury, UK T2 - ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e^+e^- Colliders T3 - 58 LA - english AB - We report on the development of new CW SRF cavities for the colliding rings of an electron-ion collider (EIC) or other high current storage rings. In the context of the Jefferson Lab EIC we are developing new strongly HOM-damped SRF cavities for the ion collider ring and a high-energy electron cooler at 952.6 MHz. The baseline design will re-use the PEP-II 476 MHz cavities for the electron ring with a possible future upgrade to 952.6 MHz SRF cavities at a later date. We discuss the design optimization of the new high current cavities and compare options for the strong HOM damping required. A concept for a modular cryostat to house these various cavities will be shown. PB - JACoW CP - Geneva, Switzerland ER -