Table 1
DR resonance energies Ed and strength Sd for the low-lying 2s2p6 2S1∕2 (6ℓ + 7ℓ) resonances.
Resonance config. | Ed (eV) | Sd (10−20 cm2 eV) | |||||
---|---|---|---|---|---|---|---|
level | This work | Exp.(a) | Calc.(b) | Model A | Model B | Exp.(a) | Calc.(b) |
2s2p66s J = 1 | 0.102 | 0.086 | 0.1282 | 663.1 | 798.7 | 1077.8 ± 6.4 | 635.5 |
2s2p66s J = 0 | 1.014 | 0.7472 | 33.9 | 35.5 | Blend | 54.5 | |
2s2p66p1∕2 | 4.408 | 4.388 | 4.409 | 51.6 | 56.7 | 36.9 ± 3.6 | 30.4 |
2s2p66p3∕2 J = 2 | 4.818 | 4.750 | 4.831 | 19.7 | 19.8 | 19.3 ± 6.8 | 26.3 |
2s2p66p3∕2 J = 1 | 5.007 | 4.931 | 5.007 | 43.3 | 46.8 | 78.0 ± 5.0 | 38.6 |
2s2p66d3∕2 | 9.663 | 9.714 | 15.7 | 15.8 | Blend | 29.1 | |
2s2p66d5∕2 J = 3 | 9.747 | 9.792 | 13.7 | 13.7 | Blend | 25.4 | |
Blend | 9.750 | 29.4 | 29.5 | 58.0 ± 3.4 | 54.5 | ||
2s2p66d5∕2 J = 2 | 10.23 | 10.19 | 10.25 | 19.4 | 19.4 | 20.9 ± 2.6 | 17.1 |
2s2p66f | 12.21 | 12.30 | – | 73.6 | Blend | 105.5 | |
2s2p6 (6g + 6h) | 12.45 | 12.55 | – | 118.5 | 178.8 ± 2.8 | 162 | |
2s2p67s | 41.37 | 41.49 | 41.12 | 1.7 | 1.9 | 0.7 ± 1.1 | 1.2 |
2s2p67p | 44.75 | 44.16 | 44.90 | 10.8 | 11.5 | 6.2 ± 1.0 | 3.6 |
2s2p67d | 47.10 | 47.30 | 47.08 | 8.1 | 7.4 | 10.5 ± 1.1 | 7.2 |
2s2p67ℓ (ℓ ≥ d) | 48.72 | 48.91 | 48.69 | – | 59.3 | 42.5 ± 16 | 35.3 |
Notes. Results from this work in two different, though still rather simple models, are compared with previous measurements and calculations. See text for further explanations. (a)Wang et al. (2019). (b)From Wang et al. (2019); calculations performed with the FAC code (Gu 2008).
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