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Ionization processes and charge-state distribution in a highly ionized high- Z laser-produced plasma
1University of California, Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
Physical Review Letters
|September 16, 2000
Abstract:
The charge-state distribution in a well-characterized highly ionized Au plasma was accurately determined using time-resolved x-ray spectroscopy. Simultaneous measurements of the electron temperature and density allow the first direct comparisons with nonlocal thermodynamic equilibrium model predictions for the charge-state distribution of a highly ionized high- Z plasma in a nonradiative environment. The importance of two-electron atomic processes is clearly demonstrated.