Measurements of the -Shell Opacity of a Solid-Density Magnesium Plasma Heated by an X-Ray Free-Electron Laser
Journal Article
·
· Physical Review Letters
- Univ. of Oxford (United Kingdom)
- Intl Atomic Energy Agency (IAEA), Vienna (Austria)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Academy of Sciences of the Czech Republic (ASCR), Prague (Czech Republic). Inst. of Physics
- European X-ray Free-Electron Laser (XFEL), Schenefeld (Germany)
- Univ. of California, Berkeley, CA (United States)
We present measurements of the spectrally resolved x rays emitted from solid-density magnesium targets of varying sub-μm thicknesses isochorically heated by an x-ray laser. The data exhibit a largely thickness independent source function, allowing the extraction of a measure of the opacity to K-shell x rays within well-defined regimes of electron density and temperature, extremely close to local thermodynamic equilibrium conditions. The deduced opacities at the peak of the Kα transitions of the ions are consistent with those predicted by detailed atomic-kinetics calculations.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC02-76SF00515; EP/L000849/1; EP/H035877/1; EP/P015794/1; 17-05076S; 17-05167S
- OSTI ID:
- 1390602
- Alternate ID(s):
- OSTI ID: 1376934
- Journal Information:
- Physical Review Letters, Vol. 119, Issue 8; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 9 works
Citation information provided by
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