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Table 2

Presentation of log(gf) based on experimental branching fractions and theoretical lifetimes (Kurucz 2009).

Upper Lower σ a λ vac BF BF Unc. A ul log(gf) log(gf) (Other works)
level level (cm-1) (Å) (%) (s-1) (this work) K091 PRK2

4p 4Fo3/2 3d4s22D3/2 15 672.558 6380.5795 ± 0.0003 0.5717 3 1.10 × 105 –2.57 ± 0.08 –2.570 –2.42 ± 0.08
τ = 5.2 μs 3d4s22D5/2 15 504.215 6449.8591 ± 0.0003 0.0558 5 1.07 × 104 –3.57 ± 0.08 –3.566 –3.18 ± 0.09
4s4F3/2 4152.598 24 081.309 ± 0.003 0.3345 5 6.42 × 104 –1.65 ± 0.08 –1.657
4s4F5/2 4114.908 24 301.878 ± 0.003 0.0380 5 7.29 × 103 –2.59 ± 0.08 –2.598
Residual < 10-6
4p 4Fo5/2 3d4s22D3/2 15 756.530 6346.5751 ± 0.0003 0.0628 10 9.93 × 103 –3.44 ± 0.09 –3.257 –3.06 ± 0.10
τ = 6.3 μs 3d4s22D5/2 15 588.192 6415.1121 ± 0.0003 0.4332 4 6.85 × 104 –2.60 ± 0.08 –2.597 –2.31 ± 0.08
4s4F3/2 4236.562 23 604.044 ± 0.003 0.0717 6 1.13 × 104 –2.25 ± 0.08 –2.264
4s4F5/2 4198.877 23 815.894 ± 0.003 0.4149 4 6.56 × 104 –1.48 ± 0.08 –1.519
4s4F7/2 4146.275 24 118.032 ± 0.003 0.0174 7 2.74 × 103 –2.84 ± 0.08 –2.653
Residual < 10-6
4p 4Fo7/2 3d4s22D5/2 15 713.351 6364.0149 ± 0.0003 0.0108 7 8.92 × 102 –4.36 ± 0.08 –3.867
τ = 12.1 μs 4s4F5/2 4324.055 23 126.438 ± 0.003 0.1434 6 1.19 × 104 –2.12 ± 0.08 –2.133
4s4F7/2 4271.476 23 411.113 ± 0.003 0.8135 1 6.73 × 104 –1.35 ± 0.08 –1.357
4s4F9/2 4204.420 23 784.491 ± 0.003 0.0322 6 2.67 × 103 –2.74 ± 0.08 –2.969
Residual < 10-6
4p 4Fo9/2 4s4F7/2 4416.308 22 643.348 ± 0.003 0.0877 6 7.19 × 103 –2.26 ± 0.08 –2.260
τ = 12.1 μs 4s4F9/2 4349.245 22 992.498 ± 0.003 0.9123 1 7.48 × 104 –1.23 ± 0.08 –1.225
Residual < 10-6
4p 4Do1/2 3d4s22D3/2 16 009.763 6246.1885 ± 0.0003 0.0029 9 7.76 × 102 –5.04 ± 0.09 –4.374
τ = 3.8 μs 4s4F3/2 4489.782 22 272.796 ± 0.003 0.9971 1 2.65 × 105 –1.40 ± 0.08 –1.408
Residual < 10-6
4p 4Do7/2 3d4s22D5/2 16 042.471 6233.4537 ± 0.0003 0.0013 8 3.55 × 102 –4.78 ± 0.08 –4.315
τ = 3.7 μs 4s4F5/2 4653.153 21 490.803 ± 0.003 0.0040 6 1.09 × 103 –3.22 ± 0.08 –3.429
4s4F7/2 4600.581 21 736.383 ± 0.003 0.0863 6 2.33 × 104 –1.88 ± 0.08 –1.957
4s4F9/2 4533.505 22 057.987 ± 0.003 0.9084 1 2.45 × 105 –0.84 ± 0.08 –0.838
Residual < 10-6
4s 2P1/2 4p4Fo3/2 5008.836 19 964.717 ± 0.003 0.0780 5 4.98 × 103 –3.22 ± 0.08 –3.574
τ = 15.7 μs 4p4Do3/2 4659.652 21 460.830 ± 0.003 0.3859 4 2.46 × 104 –2.47 ± 0.08 –3.555
4p2Do3/2 4584.523 21 812.521 ± 0.003 0.5302 3 3.39 × 104 –2.32 ± 0.08 –2.073
Residual 0.0059
4s 2P3/2 4p4Fo3/2 5047.261 19 812.727 ± 0.003 0.0142 5 9.27 × 102 –3.66 ± 0.08 –4.285
τ = 15.3 μs 4p4Fo5/2 4963.305 20 147.864 ± 0.003 0.0629 5 4.11 × 103 –3.00 ± 0.08 –3.479
4p2Do5/2 4697.130 21 289.596 ± 0.003 0.6952 1 4.54 × 104 –1.91 ± 0.08 –1.877
4p2Do3/2 4622.944 21 631.236 ± 0.003 0.0688 5 4.49 × 103 –2.90 ± 0.08 –2.767
4p4Do5/2 4578.824 21 839.670 ± 0.003 0.1528 5 9.97 × 103 –2.54 ± 0.08 –2.622
Residual 0.0061
4s 2S1/2 4p4Po3/2 8421.297 11 874.656 ± 0.002 0.0522 5 2.67 × 104 –2.95 ± 0.08 –2.996
τ = 2.0 μs 4p2Po1/2 8225.784 12 156.896 ± 0.002 0.1537 5 7.86 × 104 –2.46 ± 0.08 –2.196
4p2Po3/2 8081.241 12 374.336 ± 0.002 0.7068 1 3.62 × 105 –1.78 ± 0.08 –1.862
Residual 0.0873

Notes. Configuration of the lower and upper levels, transition wavenumbers (σ), vacuum wavelengths (λvac), experimental BFs, transition probabilities Aul, and log(gf) values from this work and other works for the Sc i lines.

(a)

The uncertainty of the wavenumbers is u(σ) = 0.001 cm-1.

Reference.

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