ECRIS2016 - List of Authors (Vondrasek, R.C.)

Paper	Title	Page
MOFO02	Comparison of Residual Background in an ECR and an EBIS
	R.C. Vondrasek, C. Dickerson, P.N. Ostroumov, R.C. Pardo, R.H. Scott, G.P. Zinkann ANL, Argonne, USA
	Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 and used resources of ANL ATLAS facility, an Office of Science User Facility An ECR charge breeder was developed some years ago as part of the Californium Rare Ion Breeder Upgrade (CARIBU) program at Argonne National Laboratory. The charge breeding efficiency and high charge state production of the source were at the forefront of ECR charge breeders, but its overall performance as part of the accelerator system was limited by a pervasive stable ion background. Steps were taken to reduce the level of background contamination but met with limited success. As such, the ECR charge breeder was decommissioned in late 2015 and replaced with an EBIS charge breeder. The EBIS has demonstrated good breeding efficiency in an off-line installation, but the critical attribute of stable ion background has only begun to be characterized. We will present a comparison of the background levels from these two devices when coupled to the accelerator complex as well as possible solutions for background reduction in ECR charge breeders.
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WEPP14	A New ECRIS Installation at the Argonne Tandem Linac Accelerator System	106
	R.H. Scott, C. Dickerson, R.C. Pardo, R.C. Vondrasek ANL, Argonne, Illinois, USA
	Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 and used resources of ANL's ATLAS facility, an Office of Science User Facility An existing all permanent magnet ECRIS, the BIE100 [1], will be installed at ATLAS to recover operational flexibility by providing ATLAS with a second ECR ion source for stable beams. For years ATLAS has operated with two ECR ion sources, ECR2 and the ECR charge breeder as well as a tandem electrostatic injector. The tandem was retired in 2013 and in mid-2015 the ECR charge breeder was decommissioned to make room for a new Electron Beam Ion Source exclusively for charge breeding radioactive ion beams. This left the facility with a single ECR source for virtually all stable ion beam pro-duction. Design, installation plans and anticipated opera-tional parameters are discussed. *Dan Z. Xie, Rev. Sci. Instrum. 73, 531 (2002); http://dx.doi.org/10.1063/1.1429320
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2016-WEPP14
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Paper

Title

Page

MOFO02

Comparison of Residual Background in an ECR and an EBIS

R.C. Vondrasek, C. Dickerson, P.N. Ostroumov, R.C. Pardo, R.H. Scott, G.P. Zinkann
ANL, Argonne, USA

Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 and used resources of ANL ATLAS facility, an Office of Science User Facility
An ECR charge breeder was developed some years ago as part of the Californium Rare Ion Breeder Upgrade (CARIBU) program at Argonne National Laboratory. The charge breeding efficiency and high charge state production of the source were at the forefront of ECR charge breeders, but its overall performance as part of the accelerator system was limited by a pervasive stable ion background. Steps were taken to reduce the level of background contamination but met with limited success. As such, the ECR charge breeder was decommissioned in late 2015 and replaced with an EBIS charge breeder. The EBIS has demonstrated good breeding efficiency in an off-line installation, but the critical attribute of stable ion background has only begun to be characterized. We will present a comparison of the background levels from these two devices when coupled to the accelerator complex as well as possible solutions for background reduction in ECR charge breeders.

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reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPP14

A New ECRIS Installation at the Argonne Tandem Linac Accelerator System

106

R.H. Scott, C. Dickerson, R.C. Pardo, R.C. Vondrasek
ANL, Argonne, Illinois, USA

Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357 and used resources of ANL's ATLAS facility, an Office of Science User Facility
An existing all permanent magnet ECRIS, the BIE100 [1], will be installed at ATLAS to recover operational flexibility by providing ATLAS with a second ECR ion source for stable beams. For years ATLAS has operated with two ECR ion sources, ECR2 and the ECR charge breeder as well as a tandem electrostatic injector. The tandem was retired in 2013 and in mid-2015 the ECR charge breeder was decommissioned to make room for a new Electron Beam Ion Source exclusively for charge breeding radioactive ion beams. This left the facility with a single ECR source for virtually all stable ion beam pro-duction. Design, installation plans and anticipated opera-tional parameters are discussed.
*Dan Z. Xie, Rev. Sci. Instrum. 73, 531 (2002); http://dx.doi.org/10.1063/1.1429320

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2016-WEPP14

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)