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Demonstration of High Performance in Layered Deuterium-Tritium Capsule Implosions in Uranium Hohlraums at the National Ignition Facility.
Döppner, T; Callahan, D A; Hurricane, O A; Hinkel, D E; Ma, T; Park, H-S; Berzak Hopkins, L F; Casey, D T; Celliers, P; Dewald, E L; Dittrich, T R; Haan, S W; Kritcher, A L; MacPhee, A; Le Pape, S; Pak, A; Patel, P K; Springer, P T; Salmonson, J D; Tommasini, R; Benedetti, L R; Bond, E; Bradley, D K; Caggiano, J; Church, J; Dixit, S; Edgell, D; Edwards, M J; Fittinghoff, D N; Frenje, J; Gatu Johnson, M; Grim, G; Hatarik, R; Havre, M; Herrmann, H; Izumi, N; Khan, S F; Kline, J L; Knauer, J; Kyrala, G A; Landen, O L; Merrill, F E; Moody, J; Moore, A S; Nikroo, A; Ralph, J E; Remington, B A; Robey, H F; Sayre, D; Schneider, M.
Afiliación
  • Döppner T; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Callahan DA; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Hurricane OA; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Hinkel DE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Ma T; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Park HS; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Berzak Hopkins LF; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Casey DT; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Celliers P; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Dewald EL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Dittrich TR; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Haan SW; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Kritcher AL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • MacPhee A; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Le Pape S; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Pak A; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Patel PK; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Springer PT; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Salmonson JD; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Tommasini R; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Benedetti LR; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Bond E; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Bradley DK; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Caggiano J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Church J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Dixit S; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Edgell D; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Edwards MJ; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Fittinghoff DN; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Frenje J; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Gatu Johnson M; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Grim G; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA.
  • Hatarik R; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Havre M; General Atomics, San Diego, California 92121, USA.
  • Herrmann H; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA.
  • Izumi N; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Khan SF; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Kline JL; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA.
  • Knauer J; Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.
  • Kyrala GA; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA.
  • Landen OL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Merrill FE; Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA.
  • Moody J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Moore AS; Atomic Weapons Establishment, Aldermaston RG7, United Kingdom.
  • Nikroo A; General Atomics, San Diego, California 92121, USA.
  • Ralph JE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Remington BA; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Robey HF; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Sayre D; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
  • Schneider M; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
Phys Rev Lett ; 115(5): 055001, 2015 Jul 31.
Article en En | MEDLINE | ID: mdl-26274424
ABSTRACT
We report on the first layered deuterium-tritium (DT) capsule implosions indirectly driven by a "high-foot" laser pulse that were fielded in depleted uranium hohlraums at the National Ignition Facility. Recently, high-foot implosions have demonstrated improved resistance to ablation-front Rayleigh-Taylor instability induced mixing of ablator material into the DT hot spot [Hurricane et al., Nature (London) 506, 343 (2014)]. Uranium hohlraums provide a higher albedo and thus an increased drive equivalent to an additional 25 TW laser power at the peak of the drive compared to standard gold hohlraums leading to higher implosion velocity. Additionally, we observe an improved hot-spot shape closer to round which indicates enhanced drive from the waist. In contrast to findings in the National Ignition Campaign, now all of our highest performing experiments have been done in uranium hohlraums and achieved total yields approaching 10^{16} neutrons where more than 50% of the yield was due to additional heating of alpha particles stopping in the DT fuel.
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos