Effects of line shifts and the ion quadrupole contribution of spectral line asymmetries.

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Line asymmetries and the corresponding shift of spectral lines due to the electron penetration of the radiator orbitals and the ion quadrupole contribution become more significant with increasing principal quantum number and increasing electron density. The mean field static shift due to electron penetration of the orbitals gives rise to an overall shift of the line to lower energy and a significant asymmetry near line center, but does not generate much redhlue far wing asymmetry. The ion quadrupole contribution results in a small blue shift of the spectral line and a small change in asymmetry near line center, but it ... continued below

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26 p.

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Gunderson, M. A. (Mark A.); Delamater, N. D. (Norman D.); Kilcrease, D. P. (David P.) & Haynes, D. A. (Donald A.) January 1, 2002.

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Line asymmetries and the corresponding shift of spectral lines due to the electron penetration of the radiator orbitals and the ion quadrupole contribution become more significant with increasing principal quantum number and increasing electron density. The mean field static shift due to electron penetration of the orbitals gives rise to an overall shift of the line to lower energy and a significant asymmetry near line center, but does not generate much redhlue far wing asymmetry. The ion quadrupole contribution results in a small blue shift of the spectral line and a small change in asymmetry near line center, but it gives rise to a significant redhlue wing asymmetry in the far wings of the line. Experimental data fiom recent spherical implosion experiments on OMEGA shows evidence of the mean field static shift and may also show the effects of level interactions between the Ar Lyman -{gamma}, -{delta}, -{var_epsilon} lines and also the Ar He -{gamma}, -{delta} lines.

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26 p.

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  • Submitted to: 44th Annual Meeting of the Division of Plasma Physics of the American Physical Society, Orlando, FL, November 11-15, 2002

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  • Report No.: LA-UR-02-7031
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976440
  • Archival Resource Key: ark:/67531/metadc927841

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 11:24 p.m.

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Gunderson, M. A. (Mark A.); Delamater, N. D. (Norman D.); Kilcrease, D. P. (David P.) & Haynes, D. A. (Donald A.). Effects of line shifts and the ion quadrupole contribution of spectral line asymmetries., article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc927841/: accessed May 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.