Photoionization of I$^+$
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Photoionization of the I$^+$ ion in the energy range of the 4d giant resonance has been studied using our recently developed random-phase approximation with exchange (RPAE) method. Photoionization cross sections for the I$^+$ $4d-εf, εp$, $5s-εp$, $5p-εs ,εd$ have been obtained for each term of the ground state. Calculations include all the intra-shell and inter-shell coupling among the 4d, $5s$, and $5p$ subshells. Our maximum cross section for the I$^+$ 4d giant resonance, 23.12 MB at 90.24 eV agrees excellently with the recent measurement, 23(3) at 90 eV.
8 page 5 figures
8 page 5 figures