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Direct density measurement of shock-compressed iron using hard x rays generated by a short laser pulse

  • LULI
  • Shandong University
  • National Astronomical Observatories-CAS
  • CEA/DAM
  • University of Rochester Laboratory for Laser Energetics
  • Osaka University
  • Lawrence Livermore National Laboratory

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

We present the application of short-pulse laser-driven hard x rays (>40 keV) for the direct density measurement of iron compressed by a laser-driven shock. By using an on-shot calibration of the spectral absorption, we are able to obtain line densities with 5%-10% precision, although the x-ray source is not monochromatic. We also discuss possibilities for increasing the precision, which would be an improvement for equation of state measurements.

langue originaleAnglais
Numéro d'article056407
journalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume80
Numéro de publication5
Les DOIs
étatPublié - 24 nov. 2009

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