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TY - UNPB AU - Kamerdzhiev, V. AU - Bryzgunov, M.I. AU - Halama, A.J. AU - Katayama, T. AU - Parkhomchuk, V.V. AU - Reva, V.B. ED - Schaa, Volker RW ED - Marx, Michaela ED - Tilmont, Manuel TI - Electron Cooling at COSY - Status and Perspectives J2 - Proc. of COOL2017, Bonn, Germany, 18-22 September 2017 C1 - Bonn, Germany T2 - Workshop on Beam Cooling and Related Topics T3 - 11 LA - english AB - COSY, a COoler SYnchrotron and storage ring has been initially equipped with a low energy electron cooler. It was mainly used to improve the quality of the beams extracted to fixed-target experiments, to enable transverse stacking of polarized beams to be used with targets in the ring, and to improve the beam lifetime for internal experiments. In 2013 a high-energy e cooler covering the entire energy range of COSY was added. Since then high-energy e cooling has been demonstrated and dedicated cooling beam studies with dc and bunched proton beam have been carried out. Furthermore, the cooling process in presence of an internal cluster jet target continuously affecting the circulating beam was studied. We review the status of electron-cooling activities at COSY, present the latest experimental results, discuss problems encountered and possible cures, and provide insights into the activities envisaged for the next year. PB - JACoW CP - Geneva, Switzerland ER -