Comparison between x-ray scattering and velocity-interferometry measurements from shocked liquid deuterium

K. Falk, S. P. Regan, J. Vorberger, B. J.B. Crowley, S. H. Glenzer, S. X. Hu, C. D. Murphy, P. B. Radha, A. P. Jephcoat, J. S. Wark, D. O. Gericke, G. Gregori

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19 Citations (Scopus)


The equation of state of light elements is essential to understand the structure of Jovian planets and inertial confinement fusion research. The Omega laser was used to drive a planar shock wave in the cryogenically cooled deuterium, creating warm dense matter conditions. X-ray scattering was used to determine the spectrum near the boundary of the collective and noncollective scattering regimes using a narrow band x-ray source in backscattering geometry. Our scattering spectra are thus sensitive to the individual electron motion as well as the collective plasma behavior and provide a measurement of the electron density, temperature, and ionization state. Our data are consistent with velocity-interferometry measurements previously taken on the same shocked deuterium conditions and presented by K. Falk. This work presents a comparison of the two diagnostic systems and offers a detailed discussion of challenges encountered.

Original languageEnglish
Article number043112
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number4
Publication statusPublished - Apr 25 2013
Externally publishedYes

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics


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