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A. Bar-Shalom
Researcher at The Racah Institute of Physics
Publications - 27
Citations - 983
A. Bar-Shalom is an academic researcher from The Racah Institute of Physics. The author has contributed to research in topics: Laser & Ion. The author has an hindex of 14, co-authored 27 publications receiving 955 citations.
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Journal ArticleDOI
Super-transition-arrays: A model for the spectral analysis of hot, dense plasma
TL;DR: A method is presented for calculating the bound-bound emission from a local thermodynamic equilibrium plasma and it is shown that under certain plasma conditions the contributions of low-probability transitions can accumulate into an important component of the emission.
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Electron collision excitations in complex spectra of ionized heavy atoms.
TL;DR: A theory for calculating a many-transition spectrum of electron-ion collisional excitations in the distorted-wave approximation (DWA) and the computationally involved radial part is shown to be a smooth function of transition energies over a very wide range, allowing easy interpolation.
Journal ArticleDOI
Identification of forbidden lines in the soft--x-ray spectrum of the TFR tokamak
M. Klapisch,J.L. Schwob,Michael Finkenthal,B.S. Fraenkel,S. Egert,A. Bar-Shalom,C. Breton,C. DeMichelis,M. Mattioli +8 more
TL;DR: In this paper, an observation of electric quadrupole transitions in a laboratory plasma was reported, and two intense lines seen at 58.832 and 57.927 A in the spectrum of the TFR tokamak were attributed to the E2 transitions 3d/sup 10/ - 3d /sup 9/4s (J = 2) of Mo XV.
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Gain predictions for nickel-like gadolinium from a 181-level multiconfigurational distorted-wave collisional-radiative model.
TL;DR: Small-signal gain coefficients for soft x-ray transitions in nickel-like gadolinium are presented and features that may help to explain discrepancies between design predictions and the gains recently observed in a europium plasma are displayed.
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Identification of the spectra of Hf xlv, Ta xlvi, W xlvii, and Re xlviii isoelectronic to Ni i in laser- produced plasmas
TL;DR: In this paper, the x-ray spectra in the range 5-8 A emitted from laser-produced plasmas of Hf, Ta, W, and Re were observed.