Performance of the LBL ECR ion source

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The LBL Electron Cyclotron Resonance (ECR) ion source in test operation since January 1984 has produced a wide variety of high charge state ion beams suitable for injection into the 88-Inch Cyclotron. Two recent developments have dramatically improved the capability of the ECR source. The first development was the production of metallic ions. The intensities of aluminum ions produced were 36, 22, 10, and .065 e..mu..A for charge states 6, 7, 8, and 11, respectively. Calcium ion intensities were 36, 31, 4.6, and 0.20 e..mu..A for charge states 8, 9, 12, and 14, respectively. The second development was the replacement ... continued below

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Pages: 15

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Lyneis, C.M. October 1, 1984.

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Description

The LBL Electron Cyclotron Resonance (ECR) ion source in test operation since January 1984 has produced a wide variety of high charge state ion beams suitable for injection into the 88-Inch Cyclotron. Two recent developments have dramatically improved the capability of the ECR source. The first development was the production of metallic ions. The intensities of aluminum ions produced were 36, 22, 10, and .065 e..mu..A for charge states 6, 7, 8, and 11, respectively. Calcium ion intensities were 36, 31, 4.6, and 0.20 e..mu..A for charge states 8, 9, 12, and 14, respectively. The second development was the replacement of the sextupole magnet used in of all other high charge state ECR sources with an octupole structure. This modification resulted in a dramatic improvement in the intensities of the high charge state beams and a significant upward shift in the charge state distribution (C.S.D.). The ECR-octupole or OCTIGUN has produced 89, 52, 9, and 2.5 e..mu..A of Ar/sup 8,9,11,12+/ and 21, 10, and 0.34 e..mu..A of Kr/sup 10,14,18+/, respectively. For the high charge states of argon and krypton the improvement gained by using the octupole is typically a factor of 5 to 10.

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Pages: 15

Notes

NTIS, PC A 02/MF A01.

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  • 8. conference on the application of accelerators in research and industry, Denton, TX, USA, 12 Nov 1984

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  • Other: DE85003471
  • Report No.: LBL-18501
  • Report No.: CONF-841117-25
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 6353188
  • Archival Resource Key: ark:/67531/metadc1206296

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1984

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  • July 5, 2018, 11:11 p.m.

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  • Oct. 30, 2018, 2:06 p.m.

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Lyneis, C.M. Performance of the LBL ECR ion source, article, October 1, 1984; California. (digital.library.unt.edu/ark:/67531/metadc1206296/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.