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Predicting hot electron generation in inertial confinement fusion with particle-in-cell simulations.
Cao, S H; Patel, D; Lees, A; Stoeckl, C; Rosenberg, M J; Gopalaswamy, V; Wen, H; Huang, H; Shvydky, A; Betti, R; Ren, C.
Affiliation
  • Cao SH; Department of Mechanical Engineering, University of Rochester, Rochester, New York 14627, USA.
  • Patel D; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Lees A; Department of Mechanical Engineering, University of Rochester, Rochester, New York 14627, USA.
  • Stoeckl C; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Rosenberg MJ; Department of Mechanical Engineering, University of Rochester, Rochester, New York 14627, USA.
  • Gopalaswamy V; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Wen H; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Huang H; Department of Mechanical Engineering, University of Rochester, Rochester, New York 14627, USA.
  • Shvydky A; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Betti R; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
  • Ren C; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA.
Phys Rev E ; 106(5-2): 055214, 2022 Nov.
Article in En | MEDLINE | ID: mdl-36559357
ABSTRACT
A series of two-dimensional particle-in-cell simulations with speckled laser drivers was carried out to study hot electron generation in direct-drive inertial confinement fusion on OMEGA. Scaling laws were obtained for hot electron fraction and temperature as functions of laser/plasma conditions in the quarter-critical region. Using these scalings and conditions from hydro simulations, the temporal history of hot electron generation can be predicted. The scalings can be further improved to predict hard x-rays for a collection of OMEGA warm target implosions within experimental error bars. These scalings can be readily implemented into inertial confinement fusion design codes.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies / Risk_factors_studies Language: En Journal: Phys Rev E Year: 2022 Document type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies / Risk_factors_studies Language: En Journal: Phys Rev E Year: 2022 Document type: Article Affiliation country: United States