Argonne Wakefield Accelerator facility upgrade.

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The Argonne Wakefield Accelerator has been successfully used for conducting wakefield experiments in dielectric loaded structures and plasmas. Although the initial wakefield experiments were successful, higher drive beam quality would substantially improve the wakefield accelerating gradients. For this reason they have built a new 1-1/2 cell L-band photocathode RF gun. This gun is expected to produce 10-100 nC bunches with 2-5 ps rms pulse length and normalized emittance less than 100 mm mrad. The gun will initially have a copper photocathode, which will soon be replaced by a high quantum efficiency cesium telluride one, allowing the generation of a train ... continued below

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Conde, M.E.; Gai, W.; Konecny, R.; Power, J.G.; Schoessow, P. & Sun, X. July 11, 2001.

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The Argonne Wakefield Accelerator has been successfully used for conducting wakefield experiments in dielectric loaded structures and plasmas. Although the initial wakefield experiments were successful, higher drive beam quality would substantially improve the wakefield accelerating gradients. For this reason they have built a new 1-1/2 cell L-band photocathode RF gun. This gun is expected to produce 10-100 nC bunches with 2-5 ps rms pulse length and normalized emittance less than 100 mm mrad. The gun will initially have a copper photocathode, which will soon be replaced by a high quantum efficiency cesium telluride one, allowing the generation of a train of high charge bunches. the beam energy at the exit of the gun cavity will be in the range 7.5-10 MeV. A standing-wave linac structure operating at the same frequency (1.3 GHz) will increase the beam energy to about 15 MeV. This beam will be used in high-gradient wakefield acceleration experiments and other high intensity electron beam applications. Traveling-wave dielectric loaded structures, operating at 7.8 and 15.6 GHz, will be excited by the propagation of single bunches or by trains of up to 32 electron bunches, reaching gradients in excess of 100 MV/m over distances of the order of 1 meter.

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  • 2001 Particle Accelerator Conference (PAC 2001), Chicago, IL (US), 06/18/2001--06/22/2001

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  • Report No.: ANL-HEP-CP-01-58
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 785375
  • Archival Resource Key: ark:/67531/metadc722982

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  • July 11, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 11, 2016, 1 p.m.

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Conde, M.E.; Gai, W.; Konecny, R.; Power, J.G.; Schoessow, P. & Sun, X. Argonne Wakefield Accelerator facility upgrade., article, July 11, 2001; Illinois. (digital.library.unt.edu/ark:/67531/metadc722982/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.