Measurements of the Argonne Wakefield Accelerator's low charge, 4 MeV RF photocathode witness beam.

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The Argonne Wakefield Accelerator's (AWA) witness RF photocathode gun produced its first electron beam in April of 1996. We have characterized the charge, energy, emittance and bunch length of the witness beam over the last several months. The emittance Was measured by both a quad scan that fitted for space charge using an in house developed Mathematica routine and a pepper pot technique. The bunch length was measured by imaging Cherenkov light from a quartz plate to a Hamamatsu streak camera with 2 psec resolution. A beam energy of 3.9 Mev was measured with a 6 inch round pole spectrometer ... continued below

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11 p.

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Power, J. April 1, 1998.

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The Argonne Wakefield Accelerator's (AWA) witness RF photocathode gun produced its first electron beam in April of 1996. We have characterized the charge, energy, emittance and bunch length of the witness beam over the last several months. The emittance Was measured by both a quad scan that fitted for space charge using an in house developed Mathematica routine and a pepper pot technique. The bunch length was measured by imaging Cherenkov light from a quartz plate to a Hamamatsu streak camera with 2 psec resolution. A beam energy of 3.9 Mev was measured with a 6 inch round pole spectrometer while a beam charge was measured with both an ICT and a Faraday Cup. Although the gun will normally be run at 100 pC it has produced charges from 10 pC to 4 nc. All results of the measurements to date are presented here.

Physical Description

11 p.

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INIS; OSTI as DE00010715

Medium: P; Size: 11 pages

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  • 1996 Advanced Accelerator Concepts Workshop, Lake Tahoe, CA (US), 10/12/1996--10/18/1996

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  • Report No.: ANL-HEP-CP-98-26
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10715
  • Archival Resource Key: ark:/67531/metadc620411

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  • April 1, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 7:42 p.m.

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Power, J. Measurements of the Argonne Wakefield Accelerator's low charge, 4 MeV RF photocathode witness beam., article, April 1, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc620411/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.