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Table 1

DR resonance energies Ed and strength Sd for the low-lying 2s2p6 2S1∕2 (6 + 7) 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
2s2p67 (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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