New developments with H-sources.

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Existing spallation neutron source upgrades, planned spallation neutron sources, and high-energy accelerators for particle physics place demanding requirements on the Hsources. These requirements ask for increased beam currents and duty factor (df) while generally maintaining state-of-the art H' source emittance. A variety of H sources are being developed to address these challenges. These include volume sources with and without the addition of cesium for enhanced He production, increased df cesiated H' Penning and magnetron sources, and cesiated surface converter H- sources. Research on surface films of tantalum metal for enhanced volume H- production is also being studied. Innovative plasma production ... continued below

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Sherman, Joseph D. & Rouleau, G. (Gary) January 1, 2002.

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Description

Existing spallation neutron source upgrades, planned spallation neutron sources, and high-energy accelerators for particle physics place demanding requirements on the Hsources. These requirements ask for increased beam currents and duty factor (df) while generally maintaining state-of-the art H' source emittance. A variety of H sources are being developed to address these challenges. These include volume sources with and without the addition of cesium for enhanced He production, increased df cesiated H' Penning and magnetron sources, and cesiated surface converter H- sources. Research on surface films of tantalum metal for enhanced volume H- production is also being studied. Innovative plasma production techniques to address the longer df requirement without sacrificing H- source reliability and liktime will be reviewed. The physical bases, the goals, and perceived challenges will be discussed.

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  • Submitted to: Seventeenth International Conference on the Application of Accelerators in Research and Industry, Denton, TX, November 12-16, 2002

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  • Report No.: LA-UR-02-6285
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976369
  • Archival Resource Key: ark:/67531/metadc934989

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 4:20 p.m.

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Sherman, Joseph D. & Rouleau, G. (Gary). New developments with H-sources., article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc934989/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.