Abstract
The energies of the As− fine structure components 4p4 3 P 1 and 4p4 3 P 0 have been determined relative to the 4p4 3P2 ground state by using photodetachment electron spectroscopy. Fine structure splittings of ΔE(3 P 1 − 3 P 2) = 125(3) meV and ΔE(3 P 0 − 3 P 2) = 166(5) meV have been obtained. It is the first experimental determination of the energy of the J = 1 level and an improvement of the accuracy for the J = 0 level. Previous isoelectronic extrapolations are consistent with the experimental values.
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Haeffler, G., Ljungblad, U., Kiyan, I.Y. et al. Fine structure of As− . Z Phys D - Atoms, Molecules and Clusters 42, 263–266 (1997). https://doi.org/10.1007/s004600050365
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DOI: https://doi.org/10.1007/s004600050365