CERN Accelerating science

Published Articles
Title	First test of BNL electron beam ion source with high current density electron beam
Author(s)	Pikin, Alexander (Brookhaven Natl. Lab.) ; Alessi, James G (Brookhaven Natl. Lab.) ; Beebe, Edward N (Brookhaven Natl. Lab.) ; Shornikov, Andrey (CERN) ; Mertzig, Robert (CERN) ; Wenander, Fredrik (CERN) ; Scrivens, Richard (CERN)
Publication	2015
Number of pages	7
In:	AIP Conf. Proc. 1640 (2015) 12-18
In:	12th International Symposium on Electron Beam Ion Sources and Traps and Their Applications, East Lansing, MI, USA, 18 - 21 May 2014, pp.12-18
DOI	10.1063/1.4905395
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN ISOLDE
Abstract	A new electron gun with electrostatic compression has been installed at the Electron BeamIon Source (EBIS) Test Stand at BNL. This is a collaborative effort by BNL and CERN teams with a common goal to study an EBIS with electron beam current up to 10 A, current density up to 10,000 A/cm2 and energy more than 50 keV. Intensive and pure beams of heavy highly charged ions with mass-to-charge ratio < 4.5 are requested by many heavy ion research facilities including NASA Space Radiation Laboratory (NSRL) at BNL and HIE-ISOLDE at CERN. With a multiampere electron gun, the EBIS should be capable of delivering highly charged ions for both RHIC facility applications at BNL and for ISOLDE experiments at CERN. Details of the electron gun simulations and design, and the Test EBIS electrostatic and magnetostatic structures with the new electron gun are presented. The experimental results of the electron beam transmission are given.

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