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Title: Design of the extraction system and beamline of the superconducting ECR ion source VENUS

Conference ·
OSTI ID:803758

A new, very high magnetic field superconducting ECR ion source, VENUS, is under construction at the LBNL 88-Inch Cyclotron [1,2]. The paper describes the VENUS extraction system and discusses the ion beam formation in the strong axial magnetic field (3 T) of the ECR ion source. Emittance values as expected from theory, which assumes a uniform plasma density across the plasma outlet hole, are compared with actual measurements from the AECR-U ion source. Results indicate that highly charged heavier ions are concentrated on the source axis. They are extracted from an ''effective'' plasma outlet hole, whose smaller radius must be included in ion optics simulations.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Director, Office of Science (US)
DOE Contract Number:
AC03-76SF00098
OSTI ID:
803758
Report Number(s):
LBNL-48074; R&D Project: 462201; B& R KB0401024; TRN: US0300541
Resource Relation:
Conference: Particle Accelerator Conference (PAC 2001), Chicago, IL (US), 06/18/2001--06/22/2001; Other Information: PBD: 7 May 2001
Country of Publication:
United States
Language:
English