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TY - CONF AU - Stassen, R. AU - Breitkreutz, B. AU - Schug, G. AU - Stockhorst, H. ED - Akers, Evelyn (Jefferson Lab), Satogata, Todd Satogata (Jefferson Lab), Schaa, Volker RW Schaa (GSI) TI - Stochastic Cooling of Heavy Ions in the HESR 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 - Due to the modularized start version (MSV) of the FAIR project with the postponed NESR, the HESR (High Energy Storage Ring) became very attractive for experiments with heavy ions. Although the HESR is optimized for the storage of antiprotons it is also well suited for heavy-ion beams with slightly changes in the optics. Within the MSV only stochastic cooling and no e-cooling will be available, but even the main 2-4 GHz stochastic cooling system will be capable to fulfill the beam requirements for heavy ions. Most critical parts of the active elements are the high power amplifiers. The stochastic cooling amplifiers for the HESR will be based on new GaN devices. Nonlinearities of these devices necessitate a dedicated analysis for use in stochastic cooling systems. PB - JACoW CP - Geneva, Switzerland SP - 15 EP - 19 KW - ion KW - heavy-ion KW - pick-up KW - impedance KW - target DA - 2016/11 PY - 2016 SN - 978-3-95450-174-8 DO - 10.18429/JACoW-COOL2015-MOYAUD02 UR - https://spms.fnal.gov/pls/cool15/papers/moyaud02.pdf ER -