Table A.1
Energy levels (in cm−1), lifetimes (in s; given in Babushkin (τB), and Coulomb (τC) gauges) for O I.
| No. | State | EMCDHF | ENIST | ∆E | τb | τc |
|---|---|---|---|---|---|---|
| 1 | 2s22p4 3P2 | 0.00 | 0.000 | 0 | ||
| 2 | 2s22p4 3P1 | 155.73 | 158.265 | 2.54 | ||
| 3 | 2s22p4 3P0 | 223.26 | 226.977 | 3.72 | ||
| 4 | 2s22p4 1D2 | 15966.11 | 15867.862 | −98.25 | ||
| 5 | 2s22p4 1S0 | 34053.62 | 33792.583 | −261.04 | ||
| 6 | 2s22p33s  |
73705.01 | 73768.200 | 63.19 | 2.0918E-04 | 2.1296E-04 |
| 7 | 2s22p33s  |
76728.03 | 76794.978 | 66.95 | 1.7020E-09 | 1.6911E-09 |
| 8 | 2s22p33p 5P1 | 86455.25 | 86625.757 | 170.51 | 2.9107E-08 | 3.0123E-08 |
| 9 | 2s22p33p 5P2 | 86457.22 | 86627.778 | 170.56 | 2.9094E-08 | 3.0109E-08 |
| 10 | 2s22p33p 5P3 | 86460.80 | 86631.454 | 170.65 | 2.9070E-08 | 3.0085E-08 |
| – | – | – | – | – | – | – |
Notes. Energy levels are given relative to the ground state and compared with NIST-ASD data (Kramida et al. 2022). Differences, ∆E, between the EMCDHF and ENIST values are shown in the fifth column. Full table is available at the CDS.
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