Quantum-Mechanical Calculation for the Electron-Impact Broadening of the Resonance Lines of Singly Ionized Magnesium

Details Quantum-Mechanical Calculation for the Electron-Impact Broadening of the Resonance Lines of Singly Ionized Magnesium Quantum-Mechanical Calculation for the Electron-Impact Broadening of the Resonance Lines of Singly Ionized Magnesium

Jan 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970phrva...1...97b&link_type=abstract

Physical Review A, vol. 1, Issue 1, pp. 97-105

Physics

27

Scientific paper

Using close-coupling calculations of Burke and Moores for the scattering of electrons by Mg+ ions in the 32S12 and 32P12,32 states, Baranger's expression for the impact approximation width of an isolated line is implemented for the components of the resonance doublet. These widths are extrapolated to below inelastic thresholds and averaged over elastic resonances according to theoretical threshold laws. In the experimental energy range, results compare reasonably with semiclassical approximations and with a semiempirical method involving effective Gaunt factors extrapolated to zero electron energy.

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