Table 3.
Ni III transition probabilities (Aul) and effective collision strengths (Υlu) for the three lowest levels of the ground configuration (3p6 3d8).
| Transition | nl − nu | Aul | Υlu (T = 5000 K) |
||
|---|---|---|---|---|---|
| (s−1) | This paper |
Priv. comm. | |||
| (R07) | (S16) | (B01) | |||
| 3F4–3F3 | 1–2 | 6.5(−2) | 2.49 | 2.20 | 2.29 |
| 3F4–3F2 | 1–3 | 4.5(−9) | 0.77 | 0.57 | 0.83 |
| 3F3–3F2 | 2–3 | 2.7(−2) | 1.67 | 1.63 | 2.82 |
Notes. Numbers in parentheses correspond to powers of ten. Υlu is the (dimensionless) effective collision strength averaged over the Maxwellian velocity distribution of the electrons at a given temperature.
References. B01 = M. Bautista (priv. comm.), based on Bautista (2001); R07 = This paper, based on Ramsbottom et al. (2007); S16 = This paper, based on Storey et al. (2016).
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