Particle Simulations of a Linear Dielectric Wall Proton Accelerator

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The dielectric wall accelerator (DWA) is a compact induction accelerator structure that incorporates the accelerating mechanism, pulse forming structure, and switch structure into an integrated module. The DWA consists of stacked stripline Blumlein assemblies, which can provide accelerating gradients in excess of 100 MeV/meter. Blumleins are switched sequentially according to a prescribed acceleration schedule to maintain synchronism with the proton bunch as it accelerates. A finite difference time domain code (FDTD) is used to determine the applied acceleration field to the proton bunch. Particle simulations are used to model the injector as well as the accelerator stack to determine the ... continued below

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Poole, B R; Blackfield, D T & Nelson, S D June 12, 2007.

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Description

The dielectric wall accelerator (DWA) is a compact induction accelerator structure that incorporates the accelerating mechanism, pulse forming structure, and switch structure into an integrated module. The DWA consists of stacked stripline Blumlein assemblies, which can provide accelerating gradients in excess of 100 MeV/meter. Blumleins are switched sequentially according to a prescribed acceleration schedule to maintain synchronism with the proton bunch as it accelerates. A finite difference time domain code (FDTD) is used to determine the applied acceleration field to the proton bunch. Particle simulations are used to model the injector as well as the accelerator stack to determine the proton bunch energy distribution, both longitudinal and transverse dynamic focusing, and emittance growth associated with various DWA configurations.

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PDF-file: 5 pages; size: 91.8 Kbytes

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  • Presented at: 2007 Particle Accelerator Conference, Albuquerque, NM, United States, Jun 25 - Jun 29, 2007

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  • Report No.: UCRL-CONF-231796
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 919952
  • Archival Resource Key: ark:/67531/metadc894077

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  • June 12, 2007

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 6, 2016, 3:38 p.m.

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Poole, B R; Blackfield, D T & Nelson, S D. Particle Simulations of a Linear Dielectric Wall Proton Accelerator, article, June 12, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc894077/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.