X-ray spectroscopy of cooling clusters

JR Peterson, AC Fabian - Physics reports, 2006 - Elsevier
We review the X-ray spectra of the cores of clusters of galaxies. Recent high resolution X-ray
spectroscopic observations have demonstrated a severe deficit of emission at the lowest X …

Highly charged ions

JD Gillaspy - Journal of Physics B: Atomic, Molecular and Optical …, 2001 - iopscience.iop.org
This paper reviews some of the fundamental properties of highly charged ions, the methods
of producing them (with particular emphasis on table-top devices), and their use as a tool for …

Indirect X-ray line-formation processes in iron L-shell ions

MF Gu - The Astrophysical Journal, 2003 - iopscience.iop.org
We present a systematic study of the role of indirect processes in the soft X-ray line formation
of iron L-shell ions, using a newly developed, relativistic, multiconfigurational atomic …

Laboratory X-ray astrophysics

P Beiersdorfer - Annual Review of Astronomy and Astrophysics, 2003 - annualreviews.org
▪ Abstract Targeted laboratory astrophysics measurements are being conducted to address
the needs of X-ray astronomy. The measurements are producing large sets of reliable …

The Chandra Iron-L x-ray line spectrum of Capella

E Behar, J Cottam, SM Kahn - The Astrophysical Journal, 2001 - iopscience.iop.org
An analysis of the iron L-shell emission in the publicly available spectrum of the Capella
binary system, as obtained by the High Energy Transmission Grating Spectrometer on board …

Highly charged ions in magnetic fusion plasmas: research opportunities and diagnostic necessities

P Beiersdorfer - Journal of Physics B: Atomic, Molecular and …, 2015 - iopscience.iop.org
Highly charged ions play a crucial role in magnetic fusion plasmas. These plasmas are
excellent sources for producing highly charged ions and copious amounts of radiation for …

Diagnostic Utility of the Relative Intensity of 3C to 3D in Fe XVII

GV Brown, P Beiersdorfer, H Chen… - The Astrophysical …, 2001 - iopscience.iop.org
The relative intensity R of the resonance and intercombination line in neon-like Fe XVII,
located at 15.01 and 15.26 Å, respectively, has been measured at the Lawrence Livermore …

X-ray spectra of the Fe-L complex-II. Atomic data constraints from the EBIT experiment and X-ray grating observations of Capella

L Gu, C Shah, J Mao, T Raassen, J De Plaa… - Astronomy & …, 2020 - aanda.org
The Hitomi results for the Perseus cluster have shown that accurate atomic models are
essential to the success of X-ray spectroscopic missions and just as important as the store of …

High-resolution laboratory measurements of K-shell X-ray line polarization and excitation cross sections in helium-like S XV ions

C Shah, N Hell, A Hubbard, MF Gu… - The Astrophysical …, 2021 - iopscience.iop.org
We report measurements of electron-impact excitation cross sections for the strong K-shell
n= 2→ 1 transitions in S xv, using the LLNL EBIT-I electron beam ion trap, two crystal …

Laboratory calibrations of Fe XII–XIV line-intensity ratios for electron density diagnostics

T Arthanayaka, P Beiersdorfer, GV Brown… - The Astrophysical …, 2020 - iopscience.iop.org
We have used an electron beam ion trap to measure electron-density-diagnostic line-
intensity ratios for extreme ultraviolet lines from Fe xii, xiii, and xiv at wavelengths of≈ 185 …