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- M. I. Bryzgunov, A. V. Bubley, V. A. Chekavinskiy, I. A. Gusev, A. V. Ivanov, M. N. Kondaurov, V. M. Panasyuk, V. V. Parkhomchuk, D. N. Pureskin, A. A. Putmakov, V. B. Reva, D. V. Senkov, D. N. Skorobogatov
BINP SB RAS, Novosibirsk
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New electron collector for 2 MeV electron cooler for COSY ring is presented. In electron coolers efficiency of collector is important for high voltage power supply. In 2 MeV cooler for COSY it is also important from the point of view of radiation safety because secondary electrons, reflected from the collector go back to accelerating tube. Besides radiation effect it can cause problems with vacuum and electric strength. The collector presented in the article is supplemented with Wien filter which allows increase efficiency of the system by deflection secondary electron flux in crossed transverse electric and magnetic fields. Results of calculation and experimental results achieved on special test bench are presented.
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