Table 2
Comparison of lifetimes in both Babushkin (B) and Coulomb (C) gauges, B/C, with other theoretical (Other theo.) and experimental (Exp.) results.
| Lifetimes | ||||
|---|---|---|---|---|
| State | Unit | Present | Other theo. | Exp. |
| 2p33s 5So | μs | 209/213 | 528(a), 202/235(d), 200(e) | 170±25(f), 185±10(g) |
| 180±5(h), 185±30(i) | ||||
| 2p33s3S(o) | ns | 1.70/1.69 | 1.76(a), 1.61(b), 1.73(c), 1.63(e) | 2.4±0.3(j), 1.7±0.3(k), 1.7±0.2(l), 1.82±0.05(r) |
| 1.79±0.17(p), 1.70±0.15(m), 1.70±0.14(n), 1.8±0.27(o) | ||||
| 2p33s 3D(o) | ns | 4.21/4.15 | 4.19(b), 4.46(c) | 3.94±0.22(p), 5.0±0.4(q), 4.5±0.675(o) |
| 2p33s 1D(o) | ns | 1.86/1.85 | 1.77±0.14(p), 2.01±0.12(q) | |
| 2p34s 3S(o) | ns | 5.74/5.67 | 5.33(a), 5.24(b), 5.04(c) | 4.0±0.6(o) |
| 2p35s 3S(o) | ns | 13.55/13.35 | 17±3(s), 6.0±0.9(o) | |
| 2p36s 3S(o) | ns | 26.82/25.22 | 24±3(s) | |
| 2p33p 3P | ns | 32.12/32.73 | 32.70(a), 29.68(b) | 36±4(s), 39.1±1.4(t), 40±3(u) |
| 2p34p 3P | ns | 182.3/181.8 | 175.4(b) | 153±10(u), 161±19(v) |
| 2p34p 5P | ns | 200.2/212.0 | 189.7(b) | 193 ±10(u), 194±19(v) |
| 2p34d 5D(o) | ns | 72.15/73.21 | 72.20(b), 96.64(c) | 96±4(u), 95±9(v) |
| 2p34d 3D(o) | ns | 15.31/15.41 | 16.85(b), 12.91(c) | 23±3(s), 20±3(o), 80±10(u) |
| 2p35d 3D(o) | ns | 31.13/32.12 | 36±4(s), 30±4.5(o) | |
Notes. The experimental uncertainties for results from Brooks et al. (1977) are given with the upper limit of the uncertainties, i.e. 15%.
References. (a) Tachiev & Froese Fischer (2002); (b) Hibbert et al. (1991); (c) Tayal (2009); (d) Zhang et al. (2020); (e) Biemont & Zeippen (1992); (f) Wells & Zipf (1974); (g) Johnson (1972); (h) Nowak et al. (1978); (i) Mason (1990); (j) Savage & Lawrence (1966); (k) Gaillard & Hesser (1968); (l) Druetta & Poulizac (1970); (m) Martinson et al. (1971); (n) Lin et al. (1972); (o) Brooks et al. (1977); (p) Smith et al. (1971); (q) Pinnington et al. (1974); (r) Lawrence (1970); (s) Kröll et al. (1985); (t) Bischel et al. (1981, 1982); (u) Bromander et al. (1978); (v) Day et al. (1981).
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