Witness gun for the Argonne Wakefield Accelerator

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The witness gun for the Argonne Wakefield Accelerator (AWA) is a six-cell, copper, iris loaded, rf photocathode operating at 1.3 GHz in a {pi}/2 standing wave mode. An intense drive beam (up to 100 nC {at} 20 psec FWHM) used in the AWA project to excite (i.e. drive) wakefields in at least two separate test devices: a dielectric loaded cylindrical waveguide and a plasma cell. In both cases a low charge, low emittance witness beam (0.1 nC charge, 1 {pi}mm-mrad 90% physical emittance) is required to probe (i.e. witness) the wakefields left behind by the drive beam. This paper will ... continued below

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4 p.

Creation Information

Power, J.; Simpson, J.; Chojnacki, E. & Konecny, R. June 1, 1995.

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Description

The witness gun for the Argonne Wakefield Accelerator (AWA) is a six-cell, copper, iris loaded, rf photocathode operating at 1.3 GHz in a {pi}/2 standing wave mode. An intense drive beam (up to 100 nC {at} 20 psec FWHM) used in the AWA project to excite (i.e. drive) wakefields in at least two separate test devices: a dielectric loaded cylindrical waveguide and a plasma cell. In both cases a low charge, low emittance witness beam (0.1 nC charge, 1 {pi}mm-mrad 90% physical emittance) is required to probe (i.e. witness) the wakefields left behind by the drive beam. This paper will primarily discuss the recent progress in the construction of the witness gun, while also briefly summarizing the central design issues of the gun. A brief status report on the dielectric witness gun option is also included. The authors conclude with a short statement on the near term future plans.

Physical Description

4 p.

Notes

INIS; OSTI as DE95013491

Source

  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95013491
  • Report No.: ANL-HEP-CP--95-35
  • Report No.: CONF-950512--182
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 81074
  • Archival Resource Key: ark:/67531/metadc739568

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • June 1, 1995

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

Description Last Updated

  • Feb. 2, 2016, 1:29 p.m.

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Power, J.; Simpson, J.; Chojnacki, E. & Konecny, R. Witness gun for the Argonne Wakefield Accelerator, article, June 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc739568/: accessed November 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.