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Target gain and sensitivity to low-mode asymmetry at NIF

ORAL

Abstract

The NIF implosion experiment N221204 produced more than 3 MJ of fusion yield and surpassed unity target gain for the first time. The predecessor experiment, N220919, and a subsequent experiment, N230618, had significant low-mode asymmetries (2 and 1 respectively) relative to N221204. While this design has sufficient ignition margin that the degraded experiments still surpassed Lawson's criterion for ignition and produced yields exceeding one MJ, both were degraded by a factor of ~2 in yield and therefore had target gains below unity. The data therefore provide a unique dataset on our sensitivity to low-mode asymmetry in the regime of ignition and burn propagation.

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Presenters

  • Alex Zylstra

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

Authors

  • Alex Zylstra

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • David Schlossberg

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Daniel T Casey

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Andrea Kritcher

    Lawrence Livermore National Laboratory

  • Arthur E Pak

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Brian J MacGowan

    Lawrence Livermore Natl Lab

  • Joseph E Ralph

    Lawrence Livermore Natl Lab

  • Laurent Divol

    Lawrence Livermore Natl Lab, LLNL, Lawrence Livermore National Laboratory

  • Kelli D Humbird

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Matthias Hohenberger

    Lawrence Livermore Natl Lab

  • Eduard L Dewald

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Richard M Bionta

    Lawrence Livermore Natl Lab

  • Kelly Hahn

    Lawrence Livermore National Laboratory, Lawrence Livermore Natl Lab

  • Mike S Rubery

    LLNL, Lawrence Livermore National Laboratory, Lawrence Livermore Natl Lab

  • Alastair S Moore

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Benjamin Bachmann

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Shahab Khan

    Lawrence Livermore Natl Lab

  • Paul T Springer

    LLNL, Lawrence Livermore Natl Lab

  • Omar Hurricane

    Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

  • Otto L Landen

    Lawrence Livermore National Laboratory, Lawrence Livermore Natl Lab, Lawrence Livermore National Lab

  • Matthew Freeman

    Los Alamos National Laboratory, Los Alamos National Lab, Los Alamos Natl Lab

  • Mora Durocher

    Los Alamos National Laboratory, Los Alamos National Lab

  • Verena Geppert-Kleinrath

    Los Alamos National Laboratory, Los Alamos National Lab

  • Kevin D Meaney

    LANL, Los Alamos National Laboratory

  • Hermann Geppert-Kleinrath

    Los Alamos National Laboratory