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Table 2
Dominant A-values (in s-1) contributing to the lifetime calculation of 3d6(3H)4s b 2H5.5.
| Lower cfg. | 2S+1LJ | Type | Garstang | Quinet | Quinet | Present | Present | Present | Present | ||
| SST | HFR | fine tuned | ab initio | A | B | ||||||
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| 3d7 | 4F4.5 | E2 | 0.0450 | 0.0780 | 0.1030 | 0.1610 | 0.1058 | 0.1040 | 0.0878 | ||
| 4F3.5 | E2 | 0.0240 | 0.0337 | 0.0444 | 0.0593 | 0.0443 | 0.0413 | 0.0364 | |||
| 2G4.5 | E2,M1 | 0.0135 | 0.0207 | 0.0216 | 0.0158 | 0.0209 | 0.0164 | 0.0169 | |||
| 2G3.5 | E2 | 0.0003 | 0.0012 | 0.0012 | 0.0009 | ||||||
| 2H5.5 | E2 | 0.0026 | 0.0043 | 0.0048 | 0.0033 | ||||||
| 2H4.5 | E2 | 0.0002 | 0.0000 | 0.0000 | 0.0002 | ||||||
| 3d6(3H)4s | 4H6.5 | M1 | 0.0096 | 0.0101 | 0.0118 | 0.0179 | 0.0126 | 0.0137 | 0.0121 | ||
| 4H5.5 | M1 | 0.0008 | 0.0000 | 0.0000 | 0.0032 | ||||||
| 4H4.5 | M1 | 0.0013 | 0.0013 | 0.0014 | 0.0012 | ||||||
| 3d6(3F2)4s | 4F4.5 | M1 | 0.0013 | 0.0014 | 0.0020 | 0.0052 | |||||
| 3d6(3G)4s | 4G5.5 | M1 | 0.0000 | 0.0010 | 0.0020 | 0.0020 | |||||
| 4G4.5 | M1 | 0.0000 | 0.0000 | 0.0000 | 0.0002 | ||||||
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| Total A-value | 0.0986 | 0.1517 | 0.1922 | 0.2702 | |||||||
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| Lifetime (τ) | 10.14 s | 6.592 s | 5.203 s | 3.7009 s | |||||||
Notes. Transitions from various levels to the b 2H5.5 level are arranged in ascending order of their energy positions.
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