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  Spectroscopy of heliumlike argon resonance and satellite lines for plasma temperature diagnostics

Biedermann, C., Radtke, R., & Fournier, K. B. (2002). Spectroscopy of heliumlike argon resonance and satellite lines for plasma temperature diagnostics. Physical Review E, 66: 066404.

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 Creators:
Biedermann, C.1, Author              
Radtke, R.1, Author              
Fournier, K. B.2, Author
Affiliations:
1Plasma Diagnostics Group (HUB), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856324              
2Lawrence Livermore Natl Lab, Livermore, CA 94550 USA, ou_persistent22              

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 Abstract: The n = 2 - 1 spectral emission pattern of heliumlike argon, together with the associated satellite emission originating from lithiumlike argon have been measured with high-resolution x-ray spectroscopy at the Berlin electron-beam ion trap. The observed line intensity across a wide range of excitation energies was weighted by an electron-energy distribution to analyze as a function of plasma temperature the line ratios between KLL dielectronic recombination satellites, in particular the j+z, j, and k satellites, and the w-resonance line. A good agreement between various theoretical models is found, supporting the method of line-ratio measurement as a temperature diagnostic for plasmas. A value for the so-called R-line ratio is determined and calculations with the HULLAC suite of codes predict it to be electron density independent over a wide range.

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Language(s): eng - English
 Dates: 2002
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 15610
ISI: 000180427100076
 Degree: -

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Title: Physical Review E
  Alternative Title : Phys. Rev. E
Source Genre: Journal
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Pages: - Volume / Issue: 66 Sequence Number: 066404 Start / End Page: - Identifier: ISSN: 1063-651X