We calculate the spectrum and allowed $E1$ transitions of the superheavy element Og ($Z=118$). A combination of configuration interaction and perturbation theory is used [Dzuba et al., Phys. Rev. A… Click to show full abstract
We calculate the spectrum and allowed $E1$ transitions of the superheavy element Og ($Z=118$). A combination of configuration interaction and perturbation theory is used [Dzuba et al., Phys. Rev. A 95, 012503 (2017)]. The spectrum of lighter analog Rn i is also calculated and compared to experiment with good agreement.
               
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