Configuration broadening of high-Z transition array profiles.

Details Configuration broadening of high-Z transition array profiles. Configuration broadening of high-Z transition array profiles.

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jqsrt..59..109s&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 59, issue 1-2, pp. 109-116

Computer Science

2

Heavy Elements: Laboratory Spectra

Scientific paper

Experimental data are presented showing the absorption spectrum of a heated thulium sample in the region of its 3d-4f and 3d-4f transitions. Comparisons with simulated profiles of these lines show that in order to simulate the experiment accurately, high-Z opacity codes would have to allow for orbital relaxation and electron-electron interaction within the ion. Neglect of either effect each causes about a factor of two broadening of the profiles. Under the conditions of the experiment, temperature of 45 eV and density 0.09 g cm-3, orbital relaxation has slightly the greater effect.

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