Dielectronic recombination of [Formula Presented] atomic ions

D. M. Mitnik, M. S. Pindzola, F. Robicheaux, N. R. Badnell, O. Uwira, A. Müller, A. Frank, J. Linkemann, W. Spies, N. Angert, P. H. Mokler, R. Becker, M. Kleinod, S. Ricz, L. Empacher

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Dielectronic recombination cross sections for [Formula Presented] are calculated in the distorted-wave approximation and compared with measurements obtained using an electron-ion merged beams apparatus. Although the experiment covered energies between 0 and 420 eV, the theoretical calculations were restricted to energies below 180 eV, where the most important resonance structures occur. The theoretical cross sections involving [Formula Presented] excitations from the [Formula Presented] ground configuration are found to be equally well described using either semirelativistic wave functions, as found in the AUTOSTRUCTURE codes, or fully relativistic wave functions, as found in the HULLAC codes. The main features of the experimental spectrum are well identified for the 80–180 eV energies, although complicated by the possible presence of unknown fractions of metastable levels. However, the resonance structures observed at the energies less than 80 eV, in the vicinity of a huge zero-energy peak, remain largely unexplained.

Original languageEnglish
Pages (from-to)4365-4372
Number of pages8
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number6
Publication statusPublished - Jan 1 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Mitnik, D. M., Pindzola, M. S., Robicheaux, F., Badnell, N. R., Uwira, O., Müller, A., Frank, A., Linkemann, J., Spies, W., Angert, N., Mokler, P. H., Becker, R., Kleinod, M., Ricz, S., & Empacher, L. (1998). Dielectronic recombination of [Formula Presented] atomic ions. Physical Review A - Atomic, Molecular, and Optical Physics, 57(6), 4365-4372. https://doi.org/10.1103/PhysRevA.57.4365