Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.336..189h&link_type=abstract
Astrophysics and Space Science, Volume 336, Issue 1, pp.189-194
Astronomy and Astrophysics
Astrophysics
Photoionised Plasma, Modelling, Simulation, Hydrodynamics, Atomic-Kinetics
Scientific paper
New, high spectral resolution X-ray observations from astrophysical photoionised plasmas have been recorded in recent years by the Chandra and XMM-Newton orbiting telescopes. These observations provide a wealth of detailed information and have motivated new efforts at developing a detailed understanding of the atomic kinetics and radiation physics of photoionised plasmas. The Z facility at Sandia National Laboratories is a powerful source of X-rays that enables us to produce and study photoionised plasmas in the laboratory under well characterised conditions. We discuss a series of radiation-hydrodynamic simulations to help understand the X-ray environment, plasma hydrodynamics and atomic kinetics in experiments where a collapsing wire array at Z is used as an ionising source of radiation to create a photoionised plasma. The numerical simulations are used to investigate the role that the key experimental parameters have on the photoionised plasma characteristics.
Bailey James E.
Durmaz Tunay
Hall I. M.
Mancini Roberto C.
Rochau G. A.
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