Design of a high charge (10 - 100 nC) and short pulse (2 - 5 ps) rf photocathode gun for wakefield acceleration.

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In this paper we present a design report on a 1-1/2 cell, L Band RF photocathode gun that is capable of generating and accelerating electron beams with peak currents >10 kA. We have performed simulation for bunch intensities in the range of 10-100 nC with peak axial electrical field at the photocathode of 30-100 MV/m. Unlike conventional short electron pulse generation, this design does not require magnetic pulse compression. Based on numerical simulations using SUPERFISH and PARMELA, this design will produce 20-100 nC beam at 18 MeV with rms bunch length 0.6-1.25 mm and normalized transverse emittance 30-108 mm mrad. ... continued below

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9 p.

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Gai, W. July 16, 1998.

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In this paper we present a design report on a 1-1/2 cell, L Band RF photocathode gun that is capable of generating and accelerating electron beams with peak currents >10 kA. We have performed simulation for bunch intensities in the range of 10-100 nC with peak axial electrical field at the photocathode of 30-100 MV/m. Unlike conventional short electron pulse generation, this design does not require magnetic pulse compression. Based on numerical simulations using SUPERFISH and PARMELA, this design will produce 20-100 nC beam at 18 MeV with rms bunch length 0.6-1.25 mm and normalized transverse emittance 30-108 mm mrad. Applications of this beam for wakefield acceleration is also discussed.

Physical Description

9 p.

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INIS; OSTI as DE00010891

Medium: P; Size: 9 pages

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  • 8th Workshop on Advanced Accelerator Concepts, Baltimore, MD (US), 07/05/1998--07/11/1998

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  • Report No.: ANL-HEP-CP-98-85
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10891
  • Archival Resource Key: ark:/67531/metadc624987

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Office of Scientific & Technical Information Technical Reports

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  • July 16, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 7:32 p.m.

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Gai, W. Design of a high charge (10 - 100 nC) and short pulse (2 - 5 ps) rf photocathode gun for wakefield acceleration., article, July 16, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc624987/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.