A Coupled-Bunch Ion Instability in the SLC Electron Damping Ring *

Abstract

Under abnormally poor vacuum conditions in the electron damping ring, described in a companion paper at this conference, an emittance blowup was observed related to a transverse instability. The instability was only observed with two bunches in the ring, and could not be seen with single bunch operation, even at the same total beam current as for the two… (More)

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