Electron-impact widths and shifts of neutral helium lines in a plasma

We calculate the broadening and shift of two lines (4121 Å and 4437 Å) for neutral helium in a plasma. To obtain the effect of the electron collisions the quantum-mechanical formalism developed by Bassalo and Cattani is used. Our theoretical predictions are compared with the experimental results of Wulff and of Bötticher, Roder, and Wobig and with the semi-classical estimates of Griem, Baranger, Kolb, and Oertel.

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Electron-impact widths and shifts of neutral helium lines in a plasma

Cited by 3 publications

References 12 publications

Quantum-mechanical formulas for the electron-impact widths and shifts of isolated lines of neutral atoms and ions in plasmas

Quantum-mechanical formulas for the electron-impact widths and shifts of isolated lines of neutral atoms and ions in plasmas

Semiclassical convergent calculations for the electron-impact broadening and shift of some lines of neutral helium in a hot plasma

Stark broadening of the lines 4121 Å and 4437 Å of helium in a plasma: Quantum-mechanical calculations for the electron impact effects

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