Vacuum Pumping with an Electron Beam

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The results of preliminary vacuum tests of an electron cooler with an electron beam that was designed for the LEIR lead-ion storage device (currently being built at CERN) are presented. The tests were performed at the Budker Institute of Nuclear Physics, Siberian Division, Russian Academy of Sciences (Novosibirsk, Russia). It has been shown that, after degassing the collector, injection of an electron beam improves the vacuum level in the setup.

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