X-Rays from Laboratory and Astrophysical Plasmas

Details X-Rays from Laboratory and Astrophysical Plasmas X-Rays from Laboratory and Astrophysical Plasmas

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aipc...94..447f&link_type=abstract

X-RAY AND ATOMIC INNER-SHELL PHYSICS, X-82: 1982 International Conference. AIP Conference Proceedings, Volume 94, pp. 447-462 (

Physics

Scientific paper

X-ray spectra of highly ionized elements are widely used in diagnosing high temperature plasmas from astrophysical as well as from laboratory sources. The emission lines in the X-ray region are produced primarily from two different types of transitions. One type involves the transitions 1s-2p in hydrogen-like ions, helium-like ions and their associated satellites. The second type involves the transitions 2l - nl' for n > 2. These transitions are sensitive to electron temperature, electron density and the ionization balance. High quality spectrometers in the X-ray region have instrumental line widths that in many cases are significantly less than the true line widths. As a result, it is quite convenient to use the physical information in the line profiles to determine additional properties of the plasma under investigation.
In the course of my talk I will describe results from recent experiments concerning solar plasmas as well as laboratory sources.

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