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Table 10

Comparison between calculated and experimental lifetimes, τ.

N Level τ(ps)

HFRa ASb MCDFc DHSd 1/Ze Exp.

2 1s2p   3P1 17.8 14.1 13.4 13.7 12.8  ±  0.7f
4 1s(2S)2p2(3P)   4P1/2 79 73 76 73 69  ±  6g
73  ±  8h
4 1s(2S)2p2(3P)   4P3/2 22 42 45 24 38  ±  8g
4 1s(2S)2p2(3P)   4P5/2 4 4 4 2 <5g

Notes. 

(a)

HFR calculation (this work).

(b)

AUTOSTRUCTURE calculation (this work).

(c)

MCDF calculation (this work).

(d)

DHS calculation (Chen et al. 1982).

(e)

1/Z calculation (Vainshtein & Safronova 1978).

(f)

BFS measurements (Armour et al. 1981).

(g)

BFS measurements (Hellman & Träbert 1985).

(h)

BFS measurements (Buchet et al. 1984).

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