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Title: Absorption spectroscopy of a laboratory photoionized plasma experiment at Z

The Z facility at the Sandia National Laboratories is the most energetic terrestrial source of X-rays and provides an opportunity to produce photoionized plasmas in a relatively well characterised radiation environment. We use detailed atomic-kinetic and spectral simulations to analyze the absorption spectra of a photoionized neon plasma driven by the x-ray flux from a z-pinch. The broadband x-ray flux both photoionizes and backlights the plasma. In particular, we focus on extracting the charge state distribution of the plasma and the characteristics of the radiation field driving the plasma in order to estimate the ionisation parameter.
Authors:
; ;  [1] ; ;  [2] ; ;  [3]
  1. Physics Department, University of Nevada, Reno, Nevada 89557 (United States)
  2. Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)
  3. Prism Computational Sciences, Madison, Wisconsin 53711 (United States)
Publication Date:
OSTI Identifier:
22252007
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 3; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ABSORPTION SPECTRA; ABSORPTION SPECTROSCOPY; CHARGE STATES; NEON; PHOTOIONIZATION; PLASMA; SIMULATION; X RADIATION