Inelastic x-ray scattering from shocked liquid deuterium

The Fermi-degenerate plasma conditions created in liquid deuterium by a laser-ablation-driven shock wave were probed with noncollective, spectrally resolved, inelastic x-ray Thomson scattering employing Cl Ly(α) line emission at 2.96 keV. These first x-ray Thomson scattering measurements of the micr...

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Bibliographic Details
Published in:Physical review letters 2012-12, Vol.109 (26), p.265003-265003, Article 265003
Main Authors: Regan, S P, Falk, K, Gregori, G, Radha, P B, Hu, S X, Boehly, T R, Crowley, B J B, Glenzer, S H, Landen, O L, Gericke, D O, Döppner, T, Meyerhofer, D D, Murphy, C D, Sangster, T C, Vorberger, J
Format: Article
Language:English
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Summary:The Fermi-degenerate plasma conditions created in liquid deuterium by a laser-ablation-driven shock wave were probed with noncollective, spectrally resolved, inelastic x-ray Thomson scattering employing Cl Ly(α) line emission at 2.96 keV. These first x-ray Thomson scattering measurements of the microscopic properties of shocked deuterium show an inferred spatially averaged electron temperature of 8±5  eV, an electron density of 2.2(±0.5)×10(23)  cm(-3), and an ionization of 0.8 (-0.25, +0.15). Two-dimensional hydrodynamic simulations using equation-of-state models suited for the extreme parameters occurring in inertial confinement fusion research and planetary interiors are consistent with the experimental results.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.109.265003