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- W2003595220 abstract "Excitation and ionization cross sections are calculated for $eensuremath{-}{mathrm{He}}^{+}$ scattering at electron impact energies of 100, 200, and 300 eV, using a time-dependent close-coupling method that employs variable lattice spacings. The ${mathrm{He}}^{+}$ ionization cross section is found to be in good agreement with previous converged close-coupling calculations and experimental measurements. Excitation cross sections for $1stackrel{ensuremath{rightarrow}}{s}ns,np$ transitions in ${mathrm{He}}^{+}$ are presented for high n values well beyond the reach of available experimental measurements and previous nonperturbative theories. The relative difference between the nonperturbative close-coupling and the perturbative distorted-wave results is found to grow larger as the principal quantum number n is increased. This difference has important implications in the collisional-radiative modeling of many astrophysical and laboratory plasmas that use perturbation theory." @default.
- W2003595220 created "2016-06-24" @default.
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- W2003595220 date "2003-03-27" @default.
- W2003595220 modified "2023-09-25" @default.
- W2003595220 title "Time-dependent electron-impact scattering fromHe+using variable lattice spacings" @default.
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- W2003595220 doi "https://doi.org/10.1103/physreva.67.032713" @default.
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