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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. AU - Skorobogatov, D.N. AU - Stassen, R. AU - Stockhorst, H. ED - Akers, Evelyn (Jefferson Lab), Satogata, Todd Satogata (Jefferson Lab), Schaa, Volker RW Schaa (GSI) TI - Performance of the 2 MeV Electron Cooler at COSY J2 - Proc. of COOL2015, Newport News, VA, USA, September 28 - October 2, 2015 C1 - Newport News, VA, USA T2 - International Workshop on Beam Cooling and Related Topics T3 - 10 LA - english AB - The 2 MeV electron cooler is operated in the COSY ring since 2013. So far electron beam energy up to 1.5 MeV was demonstrated. Dedicated electron cooling studies with proton beams up to 1.66 GeV kinetic energy and electron beam current up to 0.9 A were carried out. A reduction of proton beam emittance by one order of magnitude within a few hundred seconds was observed. Overview of HV and electron beam commissioning activities is presented. Electron cooling results are discussed. PB - JACoW CP - Geneva, Switzerland ER -