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Table 7

Comparison of radiative widths, Ar, of some K-vacancy levels in Al ions with electron number N = 2,3,7.

N Level Ar (s-1)a

HFRb ASc MCDFd DHSe 1/Zf

2 1.37(8) 1.55(8) 1.43(8)
2 5.62(10) 7.11(10) 7.47(10) 7.32(10)
2 1.71(8) 2.03(8) 1.71(8) 0
2 2.99(13) 2.93(13) 2.93(13) 2.76(13)
3 1s2s2   2S1/2 1.53(12) 1.72(12) 1.50(12) 1.19(12) 1.18(12)
3 4.45(9) 6.37(9) 6.45(9) 6.33(9) 6.09(9)
3 1.17(10) 1.64(10) 1.66(10) 1.63(10) 1.55(10)
3 2.86(3) 1.20(5) 2.10(7) 0
3 2.43(13) 2.57(13) 2.43(13) 2.41(13) 2.30(13)
3 2.55(13) 2.70(13) 2.55(13) 2.53(13) 2.42(13)
3 3.36(12) 3.48(12) 3.24(12) 3.51(12) 3.16(12)
3 2.16(12) 2.17(12) 2.10(12) 2.30(12) 1.87(12)
3 1s(2S)2p2(3P)   4P1/2 1.16(10) 1.32(10) 1.44(10) 1.27(10) 1.20(10)
3 1s(2S)2p2(3P)   4P3/2 1.36(10) 1.86(10) 1.87(10) 1.67(10) 1.62(10)
3 1s(2S)2p2(3P)   4P5/2 2.20(10) 2.28(10) 2.39(10) 2.31(10) 2.60(10)
3 1s(2S)2p2(1D)   2D3/2 1.37(13) 1.41(13) 1.37(13) 1.36(13) 1.28(13)
3 1s(2S)2p2(1D)   2D5/2 1.33(13) 1.36(13) 1.32(13) 1.32(13) 1.30(13)
3 1s(2S)2p2(3P)   2P1/2 4.12(13) 4.30(13) 4.15(13) 3.96(13) 3.89(13)
3 1s(2S)2p2(3P)   2P3/2 4.09(13) 4.26(13) 4.10(13) 3.92(13) 3.86(13)
3 1s(2S)2p2(1S)   2S1/2 1.24(13) 1.31(13) 1.29(13) 1.19(13) 1.17(13)
7 1s2p6   2S1/2 2.93(13) 2.92(13) 2.91(13) 3.04(13)

Notes. 

(a)

a(b) stands for a × 10b.

(b)

HFR calculation (this work).

(c)

AUTOSTRUCTURE calculation (this work).

(d)

MCDF calculation (this work).

(e)

DHS calculation (Chen et al. 1981a,b, 1982).

(f)

1/Z calculation (Vainshtein & Safronova 1978).

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