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TY - UNPB AU - Gu, X. AU - Altinbas, Z. AU - Bruno, D. AU - Cannizzo, L. AU - Costanzo, M.R. AU - Fedotov, A.V. AU - Kayran, D. AU - Liaw, C.J. AU - Mapes, M. AU - Mernick, K. AU - Mi, C. AU - Miller, T.A. AU - Minty, M.G. AU - Sandberg, J. AU - Smart, L. AU - Thieberger, P. AU - Tuozzolo, J.E. ED - Meseck, Atoosa ED - McAteer, Meghan ED - Schaa, Volker R.W. ED - V\xF6lker, Jens TI - Experience With LEReC High Current DC Gun J2 - Proc. of ERL2019, Berlin, Germany, 15-20 September 2019 CY - Berlin, Germany T2 - ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs T3 - 63 LA - english AB - The Low Energy RHIC Electron Cooling (LEReC) ac-celerator was successfully commissioned at BNL. To satisfy the electron beam quality required for cooling, a high voltage DC photocathode gun was chosen as the electron source. The LEReC DC gun system is based on the Cornell University ERL gun. The gun was successfully commissioned with high-current and produced electron beam quality suitable for cooling. Here we describe operational experience with the LEReC gun, as well as experience gained with conditioning of such guns. PB - JACoW Publishing CP - Geneva, Switzerland ER -