The Los Alamos suite of atomic codes is used to model several high-resolution spectral measurements from recent laser-produced plasma experiments involving barium fluoride targets. The spectral range of observation is from 7.8 to 9.5 Å and the observed lines correspond to 3-5, 3-6, 3-7 and 3-8 transitions of principal quantum number, for Ga-like through Co-like barium ions. The observed spectra are complicated because of many overlapping lines from the various ion stages in a small wavelength region. A MUTA model that includes many configurations is compared to a detailed level-to-level collisional-radiative model that includes fewer configurations. Spectra are calculated to show the sensitivity to plasma temperature, density and size. The contributions to the spectra for the individual ion stages are also presented. The model calculations are in reasonable agreement with experiment. © 2010 IOP Publishing Ltd Printed in the UK & the USA.
|Journal||Journal of Physics B: Atomic, Molecular and Optical Physics|
|Publication status||Published - 14 Sep 2010|
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
Colgan, J., Abdallah Jr., J., Faenov, A. Y., Pikuz, T. A., Skobelev, I. Y., Flora, F., ... Martellucci, S. (2010). Model calculations and measurements of the emission of a barium plasma in the spectral range of high-n rydberg levels in a near Ni-like state. Journal of Physics B: Atomic, Molecular and Optical Physics, 43(17), -. . https://doi.org/10.1088/0953-4075/43/17/175701