K-shell spectroscopy of radiatively heated aluminium.

Details K-shell spectroscopy of radiatively heated aluminium. K-shell spectroscopy of radiatively heated aluminium.

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jqsrt..58..773m&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 58, issue 4-6, pp. 773-781

Computer Science

10

X-Ray Spectra: Aluminum

Scientific paper

Thin solid tamped foils were heated by the X-rays generated in spherical gold hohlraums which were irradiated by the high power laser ASTERIX IV with an energy of up to 500 J and a pulse duration of 0.4 ns. The sample foils were probed by the radiation of a back-lighter with a variable delay to the main beam. Previous opacity studies in the extreme UV range (G. Winhart et al., 1996) have now been completed by measurements in the keV range by using a crystal spectrometer. The authors present K-shell absorption spectra of aluminium at temperatures between 20 and 30 eV. For the analysis the authors used local thermodynamic equilibrium opacity codes. The resulting mean ionization of the sample is compared with hydro-code simulations which were post-processed by solving the rate equations using a collisional radiative model.

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