Progress on the relativistic klystron two-beam accelerator prototype

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The technical challenge for making two-beam accelerators into realizable power sources lies in the creation of the drive beam and in its propagation over long distances through multiple extraction sections. This year we have been constructing a 1.2-kA, l-MeV, electron induction prototype injector as a collaborative effort between LBL and LLNL. The electron source will be a 3.5"-diameter, thermionic, flat-surface cathode with a maximum shroud field stress of approximately 165 kV/cm. Additional design parameters for the injector include a pulse length of over 120-ns flat top (1% energy variation), and a normalized edge emittance of less than 200 {pi}-mm-mr. Planned ... continued below

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Anderson, D E; Eylon, S; Henestroza,E; Houck, T L; S M, Lidia; Vanecek, D L et al. July 5, 1998.

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The technical challenge for making two-beam accelerators into realizable power sources lies in the creation of the drive beam and in its propagation over long distances through multiple extraction sections. This year we have been constructing a 1.2-kA, l-MeV, electron induction prototype injector as a collaborative effort between LBL and LLNL. The electron source will be a 3.5"-diameter, thermionic, flat-surface cathode with a maximum shroud field stress of approximately 165 kV/cm. Additional design parameters for the injector include a pulse length of over 120-ns flat top (1% energy variation), and a normalized edge emittance of less than 200 {pi}-mm-mr. Planned diagnostics include an isolated cathode with resistive divider for direct measurement of current emission, resistive-wall and magnetic probe current monitors for measuring beam current and centroid position, capacitive probes for measuring A-K gap voltage, an energy spectrometer, and a pepper-pot emittance diagnostic. Details of the injector, beam line, and diagnostics are presented.

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  • 8th Workshop on Advanced Accelerator Concepts, Baltimore, MD, July 5-11, 1998

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  • Other: DE00008198
  • Report No.: UCRL-JC-130418
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 8198
  • Archival Resource Key: ark:/67531/metadc734010

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Office of Scientific & Technical Information Technical Reports

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  • July 5, 1998

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  • Oct. 18, 2015, 6:40 p.m.

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  • Nov. 30, 2016, 6:30 p.m.

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Anderson, D E; Eylon, S; Henestroza,E; Houck, T L; S M, Lidia; Vanecek, D L et al. Progress on the relativistic klystron two-beam accelerator prototype, article, July 5, 1998; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc734010/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.