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Novel characterization of capsule x-ray drive at the National Ignition Facility.
MacLaren, S A; Schneider, M B; Widmann, K; Hammer, J H; Yoxall, B E; Moody, J D; Bell, P M; Benedetti, L R; Bradley, D K; Edwards, M J; Guymer, T M; Hinkel, D E; Hsing, W W; Kervin, M L; Meezan, N B; Moore, A S; Ralph, J E.
Afiliación
  • MacLaren SA; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Schneider MB; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Widmann K; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Hammer JH; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Yoxall BE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Moody JD; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Bell PM; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Benedetti LR; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Bradley DK; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Edwards MJ; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Guymer TM; Atomic Weapons Establishment, Aldermaston, Reading RG7 4PR, United Kingdom.
  • Hinkel DE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Hsing WW; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Kervin ML; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Meezan NB; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
  • Moore AS; Atomic Weapons Establishment, Aldermaston, Reading RG7 4PR, United Kingdom.
  • Ralph JE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550, USA.
Phys Rev Lett ; 112(10): 105003, 2014 Mar 14.
Article en En | MEDLINE | ID: mdl-24679301
Indirect drive experiments at the National Ignition Facility are designed to achieve fusion by imploding a fuel capsule with x rays from a laser-driven hohlraum. Previous experiments have been unable to determine whether a deficit in measured ablator implosion velocity relative to simulations is due to inadequate models of the hohlraum or ablator physics. ViewFactor experiments allow for the first time a direct measure of the x-ray drive from the capsule point of view. The experiments show a 15%-25% deficit relative to simulations and thus explain nearly all of the disagreement with the velocity data. In addition, the data from this open geometry provide much greater constraints on a predictive model of laser-driven hohlraum performance than the nominal ignition target.
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Buscar en Google
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos