Electron-impact widths and shifts of B III 2p-2s lines

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Abstract

In this paper, we present results for the relativistic quantum mechanical calculations of electron-impact line widths and shifts of 2p-2s transitions in doubly ionized boron (B III) ions. We use the Dirac R-matrix methods to solve (N + 1)-electron colliding systems for the scattering matrices that are required. The line widths are calculated for an electron density 1:81 × 1018 cm-3 and electron temperature 10:6 eV. The obtained results agree well with all the semiempirical calculations and most of the semiclassical calculations, and are closer to the experimental results published by Glenzer and Kunze (Glenzer, S.; Kunze, H.-J. Stark broadening of resonance transitions in B III. Phys. Rev. A 1996, 53, 2225-2229). Our line widths are almost twice as large as the earlier quantum mechanical calculations for the set of particular plasma conditions.

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Duan, B., Bari, M. A., Wu, Z., & Yan, J. (2014). Electron-impact widths and shifts of B III 2p-2s lines. Atoms, 2(2), 207–214. https://doi.org/10.3390/atoms2020207

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