Hose Instability and Wake Generation By An Intense Electron Beam in a Self-Ionized Gas

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The propagation of an intense relativistic electron beam through a gas that is self-ionized by the beam's space charge and wakefields is examined analytically and with 3D particle-in-cell simulations. Instability arises from the coupling between a beam and the offset plasma channel it creates when it is perturbed. The traditional electron hose instability in a preformed plasma is replaced with this slower growth instability depending on the radius of the ionization channel compared to the electron blowout radius. A new regime for hose stable plasma wakefield acceleration is suggested.

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4 pages

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Deng, S.; Barnes, C.D.; Clayton, C.E.; O'Connell, C.; Decker, F.J.; Fonseca, R.A. et al. April 12, 2006.

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The propagation of an intense relativistic electron beam through a gas that is self-ionized by the beam's space charge and wakefields is examined analytically and with 3D particle-in-cell simulations. Instability arises from the coupling between a beam and the offset plasma channel it creates when it is perturbed. The traditional electron hose instability in a preformed plasma is replaced with this slower growth instability depending on the radius of the ionization channel compared to the electron blowout radius. A new regime for hose stable plasma wakefield acceleration is suggested.

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4 pages

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  • Journal Name: Physical Review Letters; Journal Volume: 96

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  • Report No.: SLAC-PUB-11813
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevLett.96.045001 | External Link
  • Office of Scientific & Technical Information Report Number: 881128
  • Archival Resource Key: ark:/67531/metadc885459

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  • April 12, 2006

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 7:43 p.m.

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Deng, S.; Barnes, C.D.; Clayton, C.E.; O'Connell, C.; Decker, F.J.; Fonseca, R.A. et al. Hose Instability and Wake Generation By An Intense Electron Beam in a Self-Ionized Gas, article, April 12, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc885459/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.