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Transition from Collisional to Collisionless Regimes in Interpenetrating Plasma Flows on the National Ignition Facility

Author(s): Ross, JS; Higginson, DP; Ryutov, D; Fiuza, F; Hatarik, R; et al

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dc.contributor.authorRoss, JS-
dc.contributor.authorHigginson, DP-
dc.contributor.authorRyutov, D-
dc.contributor.authorFiuza, F-
dc.contributor.authorHatarik, R-
dc.contributor.authorHuntington, CM-
dc.contributor.authorKalantar, DH-
dc.contributor.authorLink, A-
dc.contributor.authorPollock, BB-
dc.contributor.authorRemington, BA-
dc.contributor.authorRinderknecht, HG-
dc.contributor.authorSwadling, GF-
dc.contributor.authorTurnbull, DP-
dc.contributor.authorWeber, S-
dc.contributor.authorWilks, S-
dc.contributor.authorFroula, DH-
dc.contributor.authorRosenberg, MJ-
dc.contributor.authorMorita, T-
dc.contributor.authorSakawa, Y-
dc.contributor.authorTakabe, H-
dc.contributor.authorDrake, RP-
dc.contributor.authorKuranz, C-
dc.contributor.authorGregori, G-
dc.contributor.authorMeinecke, J-
dc.contributor.authorLevy, MC-
dc.contributor.authorKoenig, M-
dc.contributor.authorSpitkovsky, Anatoly-
dc.contributor.authorPetrasso, RD-
dc.contributor.authorLi, CK-
dc.contributor.authorSio, H-
dc.contributor.authorLahmann, B-
dc.contributor.authorZylstra, AB-
dc.contributor.authorPark, H-S-
dc.date.accessioned2022-01-25T15:03:19Z-
dc.date.available2022-01-25T15:03:19Z-
dc.date.issued2017-05-05en_US
dc.identifier.citationRoss, JS, Higginson, DP, Ryutov, D, Fiuza, F, Hatarik, R, Huntington, CM, Kalantar, DH, Link, A, Pollock, BB, Remington, BA, Rinderknecht, HG, Swadling, GF, Turnbull, DP, Weber, S, Wilks, S, Froula, DH, Rosenberg, MJ, Morita, T, Sakawa, Y, Takabe, H, Drake, RP, Kuranz, C, Gregori, G, Meinecke, J, Levy, MC, Koenig, M, Spitkovsky, A, Petrasso, RD, Li, CK, Sio, H, Lahmann, B, Zylstra, AB, Park, H-S. (2017). Transition from Collisional to Collisionless Regimes in Interpenetrating Plasma Flows on the National Ignition Facility. Physical Review Letters, 118 (18), 10.1103/PhysRevLett.118.185003en_US
dc.identifier.issn0031-9007-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr18g8fh3q-
dc.description.abstractA study of the transition from collisional to collisionless plasma flows has been carried out at the National Ignition Facility using high Mach number (M>4) counter streaming plasmas. In these experiments, CD-CD and CD-CH planar foils separated by 6–10 mm are irradiated with laser energies of 250 kJ per foil, generating ∼1000  km/s plasma flows. Varying the foil separation distance scales the ion density and average bulk velocity and, therefore, the ion-ion Coulomb mean free path, at the interaction region at the midplane. The characteristics of the flow interaction have been inferred from the neutrons and protons generated by deuteron-deuteron interactions and by x-ray emission from the hot, interpenetrating, and interacting plasmas. A localized burst of neutrons and bright x-ray emission near the midpoint of the counter streaming flows was observed, suggesting strong heating and the initial stages of shock formation. As the separation of the CD-CH foils increases we observe enhanced neutron production compared to particle-in-cell simulations that include Coulomb collisions, but do not include collective collisionless plasma instabilities. The observed plasma heating and enhanced neutron production is consistent with the initial stages of collisionless shock formation, mediated by the Weibel filamentation instability.en_US
dc.language.isoen_USen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.rightsFinal published version. Article is made available in OAR by the publisher's permission or policy.en_US
dc.titleTransition from Collisional to Collisionless Regimes in Interpenetrating Plasma Flows on the National Ignition Facilityen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1103/PhysRevLett.118.185003-
dc.date.eissued2017-05-05en_US
dc.identifier.eissn1079-7114-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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