Benchmark Measurements of the Ionization Balance of Non-LTE Gold

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The authors present a series of benchmark measurements of the ionization balance of well characterized gold plasmas with and without external radiation fields at electron densities near 10{sup 21} cm{sup -3} and various electron temperatures spanning the range 0.8 to 2.4 keV. They have analyzed time- and space-resolved M-shell gold emission spectra using a sophisticated collisional-radiative model with hybrid level structure, finding average ion changes <Z> ranging from 42 to 50. At the lower temperatures, the spectra exhibit significant sensitivity to external radiation fields and include emission features from complex N-shell ions not previously studied at these densities. The measured ... continued below

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12 p. (0.3 MB)

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Heeter, R F; Hansen, S B; Fournier, K B; Foord, M E; Froula, D H; Mackinnon, A J et al. April 20, 2007.

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The authors present a series of benchmark measurements of the ionization balance of well characterized gold plasmas with and without external radiation fields at electron densities near 10{sup 21} cm{sup -3} and various electron temperatures spanning the range 0.8 to 2.4 keV. They have analyzed time- and space-resolved M-shell gold emission spectra using a sophisticated collisional-radiative model with hybrid level structure, finding average ion changes <Z> ranging from 42 to 50. At the lower temperatures, the spectra exhibit significant sensitivity to external radiation fields and include emission features from complex N-shell ions not previously studied at these densities. The measured spectra and inferred <Z> provide a stringent test for non-local thermodynamic equilibrium (non-LTE) models of complex high-Z ions.

Physical Description

12 p. (0.3 MB)

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PDF-file: 12 pages; size: 0.3 Mbytes

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  • Journal Name: Physical Review Letters, vol. 99, N/A, November 9, 2007, pp. 195001; Journal Volume: 99

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  • Report No.: UCRL-JRNL-231137
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 942020
  • Archival Resource Key: ark:/67531/metadc895850

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  • April 20, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • April 13, 2017, 4:21 p.m.

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Heeter, R F; Hansen, S B; Fournier, K B; Foord, M E; Froula, D H; Mackinnon, A J et al. Benchmark Measurements of the Ionization Balance of Non-LTE Gold, article, April 20, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc895850/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.