Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009epjst.169..155s&link_type=abstract
The European Physical Journal Special Topics, Volume 169, Issue 1, pp.155-158
Astronomy and Astrophysics
Astrophysics
3
Scientific paper
X-pinches are very good sources of x-rays and can be used for studying radiative properties of high density and temperature plasmas with scale from a few μm to several mm in size. An X-pinch is formed by the touch-crossing of two or more wires between the electrodes of a high-current pulsed-power generator. As a result of current quickly vaporizing and strongly ionizing the wire material, X-pinch yields short (few nsec) x-ray bursts from one or few bright plasma spots near the wire cross point. Other distinct features of X-pinches are strong electron beams, which make them attractive objects for x-ray spectropolarimetry, as well as plasmas jets for astrophysical applications. Recently, we spectroscopically studied x-ray L-shell and K-shell radiation from variety of X-pinches from different materials and load configurations. In the present work, the results of x-ray spectroscopy and imaging of X-pinches from stainless steel are presented. The application of these results to astrophysics is highlighted.
Esaulov Andrey
Kantsyrev Victor L.
Ouart N. D.
Safronova A. S.
Safronova U. I.
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