Table 2
Level energies for Fe xiii (n = 3).
| i | Conf. | Lev. | Eexp | Et | Et (SZ10) |
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|
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| 1 | 3s2 3p2 | 3P0 | 0.0 | 0.0 | 0.0 |
| 2 | 3s2 3p2 | 3P1 | 0.085 | 0.081 (0.003) | 0.081 (0.004) |
| 3 | 3s2 3p2 | 3P2 | 0.169 | 0.167 (0.002) | 0.166 (0.003) |
| 4 | 3s2 3p2 | 1D2 | 0.438 | 0.451 (–0.013) | 0.452 (–0.014) |
| 5 | 3s2 3p2 | 1S0 | 0.834 | 0.858 (–0.024) | 0.851 (–0.017) |
| 6 | 3s 3p3 | 5S2 | 1.956 | 1.911 (0.044) | 1.914 (0.041) |
| 7 | 3s 3p3 | 3D1 | 2.617 | 2.608 (0.009) | 2.610 (0.007) |
| 8 | 3s 3p3 | 3D2 | 2.619 | 2.610 (0.009) | 2.611 (0.008) |
| 9 | 3s 3p3 | 3D3 | 2.644 | 2.635 (0.009) | 2.636 (0.008) |
| 10 | 3s 3p3 | 3P0 | 2.997 | 3.001 (–0.004) | 2.997 (0.001) |
| 11 | 3s 3p3 | 3P1 | 3.004 | 3.008 (–0.004) | 3.003 (0.001) |
| 12 | 3s 3p3 | 3P2 | 3.010 | 3.013 (–0.003) | 3.008 (0.002) |
| 13 | 3s 3p3 | 1D2 | 3.302 | 3.320 (–0.017) | 3.319 (–0.017) |
| 14 | 3s 3p3 | 3S1 | 3.786 | 3.839 (–0.053) | 3.833 (–0.047) |
| 15 | 3s2 3p 3d | 3F2 | 3.920 | 3.968 (–0.049) | 3.972 (–0.053) |
| 16 | 3s2 3p 3d | 3F3 | 3.981 | 4.031 (–0.049) | 4.034 (–0.052) |
| 17 | 3s 3p3 | 1P1 | 3.992 | 4.049 (–0.057) | 4.045 (–0.053) |
| 18 | 3s2 3p 3d | 3F4 | 4.073 | 4.121 (–0.048) | 4.123 (–0.050) |
| 19 | 3s2 3p 3d | 3P2 | 4.432 | 4.507 (–0.075) | 4.505 (–0.073) |
| 20 | 3s2 3p 3d | 3P1 | 4.510 | 4.580 (–0.070) | 4.579 (–0.069) |
| 21 | 3s2 3p 3d | 1D2 | 4.546 | 4.619 (–0.073) | 4.617 (–0.071) |
| 22 | 3s2 3p 3d | 3P0 | 4.570 | 4.632 (–0.061) | 4.630 (–0.059) |
| 23 | 3s2 3p 3d | 3D1 | 4.616 | 4.687 (–0.071) | 4.688 (–0.072) |
| 24 | 3s2 3p 3d | 3D2 | 4.641 | 4.715 (–0.075) | 4.716 (–0.076) |
| 25 | 3s2 3p 3d | 3D3 | 4.640 | 4.719 (–0.079) | 4.721 (–0.081) |
| 26 | 3s2 3p 3d | 1F3 | 5.075 | 5.180 (–0.105) | 5.179 (–0.104) |
| 27 | 3s2 3p 3d | 1P1 | 5.201 | 5.305 (–0.104) | 5.302 (–0.101) |
| 28 | 3p4 | 3P2 | 5.389 | 5.492 (–0.103) | 5.490 (–0.101) |
| 29 | 3p4 | 3P1 | – | 5.604 | 5.602 |
| 30 | 3p4 | 3P0 | – | 5.631 | 5.629 |
| 31 | 3p4 | 1D2 | – | 5.715 | 5.709 |
| 32 | 3s 3p2 3d | 5F1 | – | 5.776 | 5.781 |
| 33 | 3s 3p2 3d | 5F2 | – | 5.797 | 5.801 |
| 34 | 3s 3p2 3d | 5F3 | – | 5.829 | 5.833 |
| 35 | 3s 3p2 3d | 5F4 | – | 5.875 | 5.879 |
| 36 | 3s 3p2 3d | 5F5 | – | 5.934 | 5.938 |
| 37 | 3s 3p2 3d | 5D0 | – | 5.985 | 5.986 |
| 38 | 3s 3p2 3d | 5D1 | – | 5.992 | 5.992 |
| 39 | 3s 3p2 3d | 5D2 | – | 6.003 | 6.004 |
| 40 | 3s 3p2 3d | 5D3 | – | 6.020 | 6.020 |
| 41 | 3s 3p2 3d | 5D4 | – | 6.046 | 6.046 |
| 42 | 3s 3p2 3d | 3F2 | 6.102 | 6.217 (–0.116) | 6.220 (–0.118) |
| 56 | 3s 3p2 3d | 3D2 | 6.869 | 6.991 (–0.122) | 6.989 (–0.120) |
| 60 | 3s 3p2 3d | 3F2 | 7.089 | 7.217 (–0.128) | 7.217 (–0.128) |
| 61 | 3s 3p2 3d | 3F3 | 7.140 | 7.268 (–0.128) | 7.268 (–0.128) |
| 65 | 3s 3p2 3d | 3F4 | 7.218 | 7.346 (–0.128) | 7.346 (–0.127) |
| 72 | 3s 3p2 3d | 3D2 | 7.447 | 7.580 (–0.133) | 7.582 (–0.135) |
| 84 | 3s 3p2 3d | 3P2 | 8.179 | 8.311 (–0.133) | – |
Notes. The experimental level energies Eexp (in Rydbergs, from Del Zanna 2011 for the n = 3) are shown, together with those obtained from our scattering target Et and those from the scattering calculation of SZ10. Values in parentheses indicate differences with Eexp. Only a selection of levels is shown.
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