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Hohlraum Reheating from Burning NIF Implosions.
Rubery, M S; Rosen, M D; Aybar, N; Landen, O L; Divol, L; Young, C V; Weber, C; Hammer, J; Moody, J D; Moore, A S; Kritcher, A L; Zylstra, A B; Hurricane, O; Pak, A E; MacLaren, S; Zimmerman, G; Harte, J; Woods, T.
Afiliação
  • Rubery MS; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Rosen MD; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Aybar N; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Landen OL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Divol L; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Young CV; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Weber C; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Hammer J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Moody JD; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Moore AS; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Kritcher AL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Zylstra AB; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Hurricane O; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Pak AE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • MacLaren S; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Zimmerman G; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Harte J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
  • Woods T; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Phys Rev Lett ; 132(6): 065104, 2024 Feb 09.
Article em En | MEDLINE | ID: mdl-38394572
ABSTRACT
As fusion experiments at the National Ignition Facility (NIF) approach and exceed breakeven, energy from the burning capsule is predicted to couple to the gold walls and reheat the hohlraum. On December 5, 2022, experiment N221204 exceeded target breakeven, historically achieving 3.15 MJ of fusion energy from 2.05 MJ of laser drive; for the first time, energy from the igniting capsule reheated the hohlraum beyond the peak laser-driven radiation temperature of 313 eV to a peak of 350 eV, in less than half a nanosecond. This reheating effect has now been unambiguously observed by the two independent Dante calorimeter systems across multiple experiments, and is shown to result from reheating of the remnant tungsten-doped ablator by the exploding core, which is heated by alpha deposition.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article