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Table 3
Dominant A-values (in s-1) contributing to the lifetime calculation of 3d6(3G)4s a 4G5.5.
| 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 | 0.9000 | 1.0200 | 1.1200 | 0.8061 | 0.8223 | 0.8605 | 0.8790 | ||
| 4F3.5 | E2 | 0.2100 | 0.2270 | 0.2500 | 0.1820 | 0.1879 | 0.1990 | 0.2046 | |||
| 3d6(5D)4s | 4D3.5 | E2 | 0.0000 | 0.0000 | 0.0000 | 0.0005 | |||||
| 3d7 | 2G4.5 | E2 | 0.0004 | 0.0000 | 0.0000 | 0.0018 | |||||
| 2H5.5 | E2,M1 | 0.0000 | 0.0000 | 0.0000 | 0.0005 | ||||||
| 3d6(3H)4s | 4H6.5 | M1 | 0.0290 | 0.0211 | 0.0210 | 0.0219 | 0.0200 | 0.0243 | 0.0253 | ||
| 4H5.5 | M1 | 0.0150 | 0.0114 | 0.0117 | 0.0126 | ||||||
| 3d6(3F2)4s | 4F4.5 | M1 | 0.0190 | 0.0132 | 0.0132 | 0.0156 | 0.0093 | 0.0100 | 0.0101 | ||
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| Total A-value | 1.1734 | 1.2927 | 1.4159 | 1.0415 | |||||||
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| Lifetime (τ) | 0.852 s | 0.774 s | 0.706 s | 0.960 s | |||||||
Notes. Transitions from various levels to the a 4G5.5 level are arranged in ascending order of their energy positions.
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