THE LBL EBIS TEST-STAND

LBL-126S6 THE IBl EBIS TEST-STAND* B. Feinberg and I . G. Brown Lawrence Berkeley Laboratory University of California, Berkeley, California 94720 I. Introduction An EBIS program was initiated at Lawrence Berkeley Laboratc y in late 1979, as described in the companion paper The LBL EBIS Program. This f i r s t stage, construction of an EBIS research and development test-stand will be described, along with results of the bare beam experiments. I I . Design The test stand has been designed to make use of equipment already available at the laboratory. magnets and a 360 k motor „ W test bed for support. This includes large, water-cooled erator to Jiive them, along with i A principal goal of the design - • .dequate alignment of the electron gun, d r i f t tube structure, and magnetic f i e l d . Since the degree of This work was supported by the Director, Office of Energy Research, Office of High Energy and Nuclear Physics, Nuclear Physics Division of the II. S. Department of Energy under Contract Ho. W-7495-EMG-48. HSlHMillW Of 1«S WCUttll « 'MMiiI .