264 citations · 358 across the 10 of their papers we have counts for
10 papers
SN 2023ixf in Messier 101: Photo-ionization of Dense, Close-in Circumstellar Material in a Nearby Type II Supernova
W. V. Jacobson-Galan, L. Dessart, R. Margutti +65
We present UV/optical observations and models of supernova (SN) 2023ixf, a type II SN located in Messier 101 at 6.9 Mpc. Early-time ("flash") spectroscopy of SN 2023ixf, obtained p…
Advances in neutral tungsten ultraviolet spectroscopy for the potential benefit to gross erosion diagnosis
C. A. Johnson, D. A. Ennis, S. D. Loch +8
A spectral survey of tungsten emission in the ultraviolet region has been completed in the DIII-D tokamak and the CTH torsatron to assess the potential benefit of UV emission for t…
First evidence of enhanced recombination in astrophysical environments and the implications for plasma diagnostics
A. Nemer, N. C. Sterling, J. Raymond +6
We report the first unambiguous observational evidence of Rydberg Enhanced Recombination (RER), a potentially important recombination mechanism that has hitherto been unexplored in…
Electron-impact fine-structure excitation of Fe II at low temperature
Yier Wan, C. Favreau, S. D. Loch +3
Fe II emission lines are observed from nearly all classes of astronomical objects over a wide spectral range from the infrared to the ultraviolet. To meaningfully interpret these l…
Dirac R-matrix calculations for the electron-impact excitation of neutral tungsten providing noninvasive diagnostics for magnetic confinement fusion
R. T. Smyth, C. P. Ballance, C. A. Ramsbottom +3
Neutral tungsten is the primary candidate as a wall material in the divertor region of the International Thermonuclear Experimental Reactor (ITER). The efficient operation of ITER…
Non-Equilibrium Modeling of the Fe XVII 3C/3D ratio for an Intense X-ray Free Electron Laser
Y. Li, M. Fogle, S. D. Loch +2
We present a review of two methods used to model recent LCLS experimental results for the 3C/3D line intensity ratio of Fe XVII (Bernitt et al. 2012), the time-dependent collisiona…