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Time-Resolved Fuel Density Profiles of the Stagnation Phase of Indirect-Drive Inertial Confinement Implosions.
Tommasini, Riccardo; Landen, O L; Berzak Hopkins, L; Hatchett, S P; Kalantar, D H; Hsing, W W; Alessi, D A; Ayers, S L; Bhandarkar, S D; Bowers, M W; Bradley, D K; Conder, A D; Di Nicola, J M; Di Nicola, P; Divol, L; Fittinghoff, D; Gururangan, G; Hall, G N; Hamamoto, M; Hargrove, D R; Hartouni, E P; Heebner, J E; Herriot, S I; Hermann, M R; Holder, J P; Holunga, D M; Homoelle, D; Iglesias, C A; Izumi, N; Kemp, A J; Kohut, T; Kroll, J J; LaFortune, K; Lawson, J K; Lowe-Webb, R; MacKinnon, A J; Martinez, D; Masters, N D; Mauldin, M P; Milovich, J; Nikroo, A; Okui, J K; Park, J; Prantil, M; Pelz, L J; Schoff, M; Sigurdsson, R; Volegov, P L; Vonhof, S; Zobrist, T L.
Afiliação
  • Tommasini R; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Landen OL; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Berzak Hopkins L; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hatchett SP; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Kalantar DH; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hsing WW; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Alessi DA; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Ayers SL; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Bhandarkar SD; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Bowers MW; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Bradley DK; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Conder AD; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Di Nicola JM; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Di Nicola P; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Divol L; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Fittinghoff D; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Gururangan G; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hall GN; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hamamoto M; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hargrove DR; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hartouni EP; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Heebner JE; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Herriot SI; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Hermann MR; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Holder JP; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Holunga DM; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Homoelle D; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Iglesias CA; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Izumi N; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Kemp AJ; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Kohut T; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Kroll JJ; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • LaFortune K; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Lawson JK; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Lowe-Webb R; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • MacKinnon AJ; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Martinez D; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Masters ND; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Mauldin MP; General Atomics, San Diego, California 92186, USA.
  • Milovich J; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Nikroo A; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Okui JK; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Park J; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Prantil M; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Pelz LJ; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Schoff M; General Atomics, San Diego, California 92186, USA.
  • Sigurdsson R; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
  • Volegov PL; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Vonhof S; General Atomics, San Diego, California 92186, USA.
  • Zobrist TL; Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA.
Phys Rev Lett ; 125(15): 155003, 2020 Oct 09.
Article em En | MEDLINE | ID: mdl-33095614
ABSTRACT
The implosion efficiency in inertial confinement fusion depends on the degree of stagnated fuel compression, density uniformity, sphericity, and minimum residual kinetic energy achieved. Compton scattering-mediated 50-200 keV x-ray radiographs of indirect-drive cryogenic implosions at the National Ignition Facility capture the dynamic evolution of the fuel as it goes through peak compression, revealing low-mode 3D nonuniformities and thicker fuel with lower peak density than simulated. By differencing two radiographs taken at different times during the same implosion, we also measure the residual kinetic energy not transferred to the hot spot and quantify its impact on the implosion performance.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Estados Unidos
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Estados Unidos