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= 29 lower level upper level lambda(A) Qd(1/s) Ar(1/s) Aa(1/s) Branching-ratio 1s2p 3P 1.0 2p2p 1S .0 1.4221 1.52E+10 2.81E+11 4.63E+13 3.28E-04 1s2s 3S 1.0 2s2p 1P 1.0 1.4263 2.40E+13 2.69E+13 1.91E+14 4.17E-02 1s2p 3P 1.0 2p2p 1D 2.0 1.4280 1.10E+12 1.12E+12 2.19E+14 1.00E-03 1s2p 1P 1.0 2p2p 1S .0 1.4293 4.38E+13 8.11E+14 4.63E+13 9.46E-01 1s2p 3P 2.0 2p2p 1D 2.0 1.4320 2.74E+14 2.79E+14 2.19E+14 2.50E-01 1s2s 1S .0 2s2p 1P 1.0 1.4322 3.80E+14 4.26E+14 1.91E+14 6.61E-01 1s2s 3S 1.0 2s2p 3P 2.0 1.4326 6.62E+13 4.49E+14 1.36E+13 9.71E-01 1s2p 3P 1.0 2p2p 3P 2.0 1.4331 2.25E+14 3.05E+14 1.54E+14 2.91E-01 1s2p 1P 1.0 2p2p 1D 2.0 1.4353 6.07E+14 6.18E+14 2.19E+14 5.53E-01 1s2s 3S 1.0 2s2p 3P 1.0 1.4368 6.64E+13 4.18E+14 2.48E+13 8.91E-01 1s2p 3P 2.0 2p2p 3P 2.0 1.4371 2.89E+14 3.92E+14 1.54E+14 3.74E-01 1s2p 3P 1.0 2p2p 3P .0 1.4373 3.84E+12 7.85E+14 3.92E+12 9.78E-01 1s2s 3S 1.0 2s2p 3P .0 1.4379 1.32E+13 4.44E+14 1.36E+13 9.70E-01 1s2p 1P 1.0 2p2p 3P 2.0 1.4404 1.45E+14 1.96E+14 1.54E+14 1.87E-01 1s2s 1S .0 2s2p 3P 1.0 1.4428 4.16E+12 2.62E+13 2.48E+13 5.58E-02 1s2p 3P 1.0 2s2p 1S .0 1.4444 6.64E+13 1.03E+14 3.11E+14 2.13E-01 1s2p 1P 1.0 2p2p 3P .0 1.4447 6.62E+10 1.35E+13 3.92E+12 1.69E-02 1s2p 1P 1.0 2p2p 1S .0 1.4518 4.40E+13 6.82E+13 3.11E+14 1.41E-01