Optimization of gun parameters for a pulsed power electron gun

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Extensive simulation work has been done to identify the optimal parameters for a pulsed power electron gun. PBGUNS, an electrostatic beam optics code, was used to optimize the electrode shape and the beam spatial distribution, including modeling the focusing effect of a curved cathode surface. MAFIA, a particle-in-a-cell code, was used to investigate those aspects that required time dependence, such as longitudinal energy spread. The range of agreement between the two codes was also investigated. The transverse phase space at a comparison plane was found to be very close (within 1% at low currents and 4% for higher currents), even ... continued below

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10 p.

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Srvinivasan-Rao, T.; Smedley, J.; Batchelor, K.; Farrell, J. P. & Dudnikova, G. July 1998.

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Description

Extensive simulation work has been done to identify the optimal parameters for a pulsed power electron gun. PBGUNS, an electrostatic beam optics code, was used to optimize the electrode shape and the beam spatial distribution, including modeling the focusing effect of a curved cathode surface. MAFIA, a particle-in-a-cell code, was used to investigate those aspects that required time dependence, such as longitudinal energy spread. The range of agreement between the two codes was also investigated. The transverse phase space at a comparison plane was found to be very close (within 1% at low currents and 4% for higher currents), even for bunch lengths shorter than the gap transit time.

Physical Description

10 p.

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INIS; OSTI as DE99000601

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  • 8. workshop on advanced accelerator concepts, Baltimore, MD (United States), 6-11 Jul 1998

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  • Other: DE99000601
  • Report No.: BNL--65747
  • Report No.: CONF-980742--
  • Grant Number: AC02-98CH10886;FG02-97ER82336
  • Office of Scientific & Technical Information Report Number: 677135
  • Archival Resource Key: ark:/67531/metadc704058

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  • July 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 9, 2015, 10:12 p.m.

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Srvinivasan-Rao, T.; Smedley, J.; Batchelor, K.; Farrell, J. P. & Dudnikova, G. Optimization of gun parameters for a pulsed power electron gun, article, July 1998; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc704058/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.