L.A. Vainshtein and U.I. Safronova 1978, ADNDT 21, 49 "Wavelengths and Transition Probabilities of Satellites to Resonance Lines of H- and He-like Ions" Table VI Li-like ion: Z= 18 lower level upper level lambda(A) Qd(1/s) Ar(1/s) Aa(1/s) Branching-ratio 1s2 2p (1S) 2P .5 2p2p1s (1L) 2S .5 3.9618 6.35E+12 8.65E+12 2.83E+13 1.12E-01 1s2 2p (1S) 2P 1.5 2p2p1s (1L) 2S .5 3.9658 2.95E+13 4.02E+13 2.83E+13 5.21E-01 1s2 2s (1S) 2S .5 1s2p2s (1P) 2P 1.5 3.9678 1.66E+13 4.30E+12 1.20E+14 3.45E-02 1s2 2s (1S) 2S .5 1s2p2s (1P) 2P .5 3.9687 3.20E+13 1.87E+13 1.09E+14 1.46E-01 1s2 2s (1S) 2S .5 1s2p2s (3P) 2P 1.5 3.9815 4.72E+12 1.01E+14 1.19E+12 9.88E-01 1s2 2p (1S) 2P .5 2p2p1s (3P) 2P 1.5 3.9819 3.28E+12 1.00E+13 1.35E+13 6.09E-02 1s2 2s (1S) 2S .5 1s2p2s (3P) 2P .5 3.9836 2.20E+13 8.73E+13 1.26E+13 8.74E-01 1s2 2p (1S) 2P .5 2p2p1s (3P) 2P .5 3.9860 2.41E+11 1.12E+14 1.68E+11 7.14E-01 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 2P 1.5 3.9860 4.62E+13 1.41E+14 1.35E+13 8.57E-01 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 2P .5 3.9900 9.60E+10 4.48E+13 1.68E+11 2.85E-01 1s2 2p (1S) 2P .5 2p2p1s (1L) 2D 1.5 3.9900 1.80E+14 6.07E+13 1.73E+14 2.59E-01 1s2 2p (1S) 2P 1.5 2p2p1s (1L) 2D 2.5 3.9941 2.44E+14 5.21E+13 1.84E+14 2.21E-01 1s2 2p (1S) 2P 1.5 2p2p1s (1L) 2D 1.5 3.9941 1.62E+11 5.46E+10 1.73E+14 2.34E-04 1s2 2p (1S) 2P .5 2p2p1s (3P) 4P 1.5 4.0106 1.32E+09 1.04E+09 1.79E+11 1.84E-03 1s2 2p (1S) 2P .5 2p2p1s (3P) 4P .5 4.0124 3.58E+10 3.90E+11 1.92E+10 9.31E-01 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 4P 2.5 4.0128 3.85E+12 8.20E+11 2.94E+12 2.18E-01 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 4P 1.5 4.0147 4.87E+11 3.84E+11 1.79E+11 6.80E-01 1s2 2s (1S) 2S .5 1s2p2s (3P) 4P 1.5 4.0150 3.07E+11 4.37E+11 9.31E+10 8.25E-01 1s2 2s (1S) 2S .5 1s2p2s (3P) 4P .5 4.0162 2.85E+10 1.56E+11 1.57E+10 9.09E-01 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 4P .5 4.0165 9.03E+08 9.85E+09 1.92E+10 2.35E-02 1s2 2p (1S) 2P .5 2p2p1s (3P) 2S .5 4.0690 3.37E+12 1.73E+12 1.52E+14 1.11E-02 1s2 2p (1S) 2P 1.5 2p2p1s (3P) 2S .5 4.0732 5.36E+12 2.76E+12 1.52E+14 1.76E-02