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Thermal decoupling of deuterium and tritium during the inertial confinement fusion shock-convergence phase.
Kabadi, N V; Simpson, R; Adrian, P J; Bose, A; Frenje, J A; Gatu Johnson, M; Lahmann, B; Li, C K; Parker, C E; Séguin, F H; Sutcliffe, G D; Petrasso, R D; Atzeni, S; Eriksson, J; Forrest, C; Fess, S; Glebov, V Yu; Janezic, R; Mannion, O M; Rinderknecht, H G; Rosenberg, M J; Stoeckl, C; Kagan, G; Hoppe, M; Luo, R; Schoff, M; Shuldberg, C; Sio, H W; Sanchez, J; Hopkins, L Berzak; Schlossberg, D; Hahn, K; Yeamans, C.
Afiliación
  • Kabadi NV; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Simpson R; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Adrian PJ; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Bose A; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Frenje JA; 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.
  • Lahmann B; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Li CK; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Parker CE; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Séguin FH; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Sutcliffe GD; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Petrasso RD; Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA.
  • Atzeni S; Dipartimento SBAI, Universit'a degli Studi di Roma "La Sapienza," Via Antonio Scarpa 14, 00161, Roma, Italy.
  • Eriksson J; Department of Physics and Astronomy, Uppsala University, SE-752 37 Uppsala, Sweden.
  • Forrest C; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Fess S; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Glebov VY; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Janezic R; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Mannion OM; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Rinderknecht HG; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Rosenberg MJ; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Stoeckl C; University of Rochester Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Kagan G; Centre for Inertial Fusion Studies, The Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom.
  • Hoppe M; General Atomics, San Diego, California 92121, USA.
  • Luo R; General Atomics, San Diego, California 92121, USA.
  • Schoff M; General Atomics, San Diego, California 92121, USA.
  • Shuldberg C; General Atomics, San Diego, California 92121, USA.
  • Sio HW; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Sanchez J; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Hopkins LB; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Schlossberg D; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Hahn K; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Yeamans C; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
Phys Rev E ; 104(1): L013201, 2021 Jul.
Article en En | MEDLINE | ID: mdl-34412205
A series of thin glass-shell shock-driven DT gas-filled capsule implosions was conducted at the OMEGA laser facility. These experiments generate conditions relevant to the central plasma during the shock-convergence phase of ablatively driven inertial confinement fusion (ICF) implosions. The spectral temperatures inferred from the DTn and DDn spectra are most consistent with a two-ion-temperature plasma, where the initial apparent temperature ratio, T_{T}/T_{D}, is 1.5. This is an experimental confirmation of the long-standing conjecture that plasma shocks couple energy directly proportional to the species mass in multi-ion plasmas. The apparent temperature ratio trend with equilibration time matches expected thermal equilibration described by hydrodynamic theory. This indicates that deuterium and tritium ions have different energy distributions for the time period surrounding shock convergence in ignition-relevant ICF implosions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev E Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev E Año: 2021 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos