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TY - CONF AU - Kayran, D. AU - Altinbas, Z. AU - Bruno, D. AU - Costanzo, M.R. AU - Drees, K.A. AU - Fedotov, A.V. AU - Fischer, W. AU - Gaowei, M. AU - Gassner, D.M. AU - Gu, X. AU - Hulsart, R.L. AU - Inacker, P. AU - Jamilkowski, J.P. AU - Jing, Y.C. AU - Kewisch, J. AU - Liaw, C.J. AU - Liu, C. AU - Ma, J. AU - Mernick, K. AU - Miller, T.A. AU - Minty, M.G. AU - Nguyen, L.K. AU - Paniccia, M.C. AU - Pinayev, I. AU - Ptitsyn, V. AU - Schoefer, V. AU - Seletskiy, S. AU - Severino, F. AU - Shrey, T.C. AU - Smart, L. AU - Smith, K.S. AU - Sukhanov, A. AU - Thieberger, P. AU - Tuozzolo, J.E. AU - Wang, E. AU - Wang, G. AU - Zaltsman, A. AU - Zhao, H. AU - Zhao, Z. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - First Results from Commissioning of Low Energy RHIC Electron Cooler (LEReC) J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The brand new non-magnetized bunched beam electron cooler (LEReC)  has been built to provide luminosity improvement for Beam Energy Scan II (BES-II) physics program at the Relativistic Heavy Ion Collider (RHIC) BES-II . The LEReC accelerator includes a photocathode DC gun, a laser system, a photocathode delivery system, magnets, beam diagnostics, a SRF booster cavity, and a set of Normal Conducting RF cavities to provide sufficient flexibility to tune the beam in the longitudinal phase space. This high-current high-power accelerator was successfully commissioned in period of March -September 2018. Beam quality suitable for cooling has been demonstrated. In this paper we discuss beam commissioning results and experience learned during commissioning. PB - JACoW Publishing CP - Geneva, Switzerland SP - 769 EP - 772 KW - electron KW - cavity KW - MMI KW - gun KW - cathode DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPRB085 UR - http://jacow.org/ipac2019/papers/moprb085.pdf ER -