Challenges of x-ray spectroscopy in investigations of matter under extreme conditions

O Renner, FB Rosmej - Matter and Radiation at Extremes, 2019 - pubs.aip.org
Advanced X-ray spectroscopic methods provide unique and critical data to study matter
under extreme environmental conditions induced by high-intensity and high-energy lasers …

Laboratory measurements compellingly support a charge-exchange mechanism for the “dark matter”∼ 3.5 kev X-ray line

C Shah, S Dobrodey, S Bernitt… - The Astrophysical …, 2016 - iopscience.iop.org
The reported observations of an unidentified X-ray line feature at∼ 3.5 keV have driven a
lively discussion about its possible dark matter origin. Motivated by this, we have measured …

Uncertainties in atomic data for modeling astrophysical charge exchange plasmas

L Gu, C Shah, R Zhang - Sensors, 2022 - mdpi.com
Relevant uncertainties of theoretical atomic data are vital to determining the accuracy of
plasma diagnostics in a number of areas, including, in particular, the astrophysical study. We …

X-ray emission spectroscopy and diagnostics of non-equilibrium fusion and laser produced plasmas

FB Rosmej - Highly Charged Ion Spectroscopic Research, 2012 - api.taylorfrancis.com
The emission of light is one of the most fascinating phenomena in nature. Everybody feels
the beauty while looking at the colors when the sun is going down, when a thunder …

[HTML][HTML] Dielectronic recombination in non-LTE plasmas

FB Rosmej, VA Astapenko, VS Lisitsa… - Matter and Radiation at …, 2020 - pubs.aip.org
Novel phenomena and methods related to dielectronic capture and dielectronic
recombination are studied for non-local thermodynamic equilibrium (LTE) plasmas and for …

[HTML][HTML] Hollow ion atomic structure and X-ray emission in dense hot plasmas

FB Rosmej, CJ Fontes - Matter and Radiation at Extremes, 2024 - pubs.aip.org
Hollow ion X-ray emission is of great interest in high-energy-density research, since
negligible opacity allows studies from the interior of very dense objects. In this paper …

Supersonic plasma jet interaction with gases and plasmas

P Nicolai, C Stenz, V Tikhonchuk, X Ribeyre… - High Energy Density …, 2008 - Springer
The interaction of supersonic plasma jets with dense gases and plasmas has been studied
experimentally and theoretically. Collimated plasma jets were generated from the laser …

Laser-produced plasma-wall interaction

O Renner, R Liska, FB Rosmej - Laser and Particle Beams, 2009 - cambridge.org
Jets of laser–generated plasma represent a flexible and well-defined model environment for
investigation of plasma interactions with solid surfaces (walls). The pilot experiments carried …

Spectroscopic characterization of ion collisions and trapping at laser-irradiated double-foil targets

O Renner, FB Rosmej, P Adámek, E Dalimier… - High Energy Density …, 2007 - Elsevier
Precise X-ray spectroscopic investigation of the colliding plasmas produced at single-side
laser-irradiated double-foil Al/Mg targets is reported. The spatially resolved, time-integrated …

Direct spectroscopic observation of ion deceleration accompanying laser plasma–wall interaction

O Renner, E Krouský, R Liska, M Šmíd… - Journal of Physics …, 2010 - iopscience.iop.org
Interactions of plasma jets with solid surfaces are extensively studied in context with
development of future fusion devices. In experiments carried out on the iodine laser system …