Phys. Rev. A 72, 012716 (2005) [6 pages]Electron-impact excitation and ionization of H2+ using a configuration-average distorted-wave methodReceived 13 April 2005; published 25 July 2005 A configuration-average distorted-wave method is developed to calculate electron-impact excitation and ionization cross sections for diatomic molecules and their ions. The method is based on the construction of bound and continuum orbitals on a two-dimensional numerical lattice in (r,θ) center-of-mass polar coordinates. Our first applications are the calculation of 1sσ→2pσ and 1sσ→2pπ excitation cross sections and 1sσ→ϵlλ ionization cross sections for H2+. Comparisons are made with plane-wave Born, distorted-wave, and R-matrix calculations, as well as experimental measurements. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.012716
DOI:
10.1103/PhysRevA.72.012716
PACS:
34.50.Gb
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