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Comparison between x-ray scattering and velocity-interferometry measurements from shocked liquid deuterium
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Falk, K., Regan, Sean P., Vorberger, Jan, Crowley, B. J. B., Glenzer, S. H., Hu, S. X., Murphy, C. D., Radha, P. B., Jephcoat, A. P., Wark, J. S., Gericke, Dirk O. and Gregori, Gianluca (2013) Comparison between x-ray scattering and velocity-interferometry measurements from shocked liquid deuterium. Physical Review E, Volume 87 (Number 4). Article number 043112 . doi:10.1103/PhysRevE.87.043112 ISSN 1539-3755.
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Official URL: http://dx.doi.org/10.1103/PhysRevE.87.043112
Abstract
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 et al. [ High Energy Density Phys. 8 76 (2012)]. This work presents a comparison of the two diagnostic systems and offers a detailed discussion of challenges encountered.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review E | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1539-3755 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Volume: | Volume 87 | ||||
| Number: | Number 4 | ||||
| Page Range: | Article number 043112 | ||||
| DOI: | 10.1103/PhysRevE.87.043112 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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