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 V He-like ion: Z= 13 lower level upper level lambda(A) Qd(1/s) Ar(1/s) Aa(1/s) Branching-ratio 1s2p 3P 1.0 2p2p 1S .0 7.1508 7.48E+08 1.82E+09 1.85E+13 4.05E-05 1s2s 3S 1.0 2s2p 1P 1.0 7.1733 4.44E+10 1.61E+10 2.02E+14 7.30E-05 1s2p 1P 1.0 2p2p 1S .0 7.1926 1.09E+13 2.65E+13 1.85E+13 5.89E-01 1s2s 1S .0 2s2p 1P 1.0 7.2316 4.81E+13 1.74E+13 2.02E+14 7.92E-02 1s2p 3P 1.0 2p2p 1D 2.0 7.2329 1.60E+09 3.49E+08 3.70E+14 8.63E-07 1s2p 3P 2.0 2p2p 1D 2.0 7.2356 1.11E+12 2.43E+11 3.70E+14 6.01E-04 1s2s 3S 1.0 2s2p 3P 2.0 7.2509 3.78E+13 1.69E+13 1.36E+13 5.54E-01 1s2s 3S 1.0 2s2p 3P 1.0 7.2545 2.28E+13 1.69E+13 1.38E+13 5.50E-01 1s2s 3S 1.0 2s2p 3P .0 7.2561 7.55E+12 1.69E+13 1.36E+13 5.53E-01 1s2p 3P 1.0 2p2p 3P 2.0 7.2581 4.03E+12 8.56E+12 3.53E+12 2.28E-01 1s2p 3P 2.0 2p2p 3P 2.0 7.2608 1.19E+13 2.52E+13 3.53E+12 6.73E-01 1s2p 3P 1.0 2p2p 3P .0 7.2630 2.35E+11 3.38E+13 2.37E+11 9.92E-01 1s2p 1P 1.0 2p2p 1D 2.0 7.2757 1.55E+14 3.38E+13 3.70E+14 8.36E-02 1s2p 1P 1.0 2p2p 3P 2.0 7.3012 8.10E+10 1.72E+11 3.53E+12 4.59E-03 1s2p 1P 1.0 2p2p 3P .0 7.3061 2.83E+08 4.05E+10 2.37E+11 1.19E-03 1s2s 1S .0 2s2p 3P 1.0 7.3142 2.08E+10 1.55E+10 1.38E+13 5.03E-04 1s2p 3P 1.0 2s2p 1S .0 7.3262 1.13E+11 1.15E+11 3.43E+14 3.28E-04 1s2p 1P 1.0 2s2p 1S .0 7.3701 6.75E+12 6.89E+12 3.43E+14 1.97E-02