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= 25 lower level upper level lambda(A) Qd(1/s) Ar(1/s) Aa(1/s) Branching-ratio 1s2p 3P 1.0 2p2p 1S .0 1.9212 1.72E+10 2.17E+11 3.64E+13 4.73E-04 1s2s 3S 1.0 2s2p 1P 1.0 1.9258 1.03E+13 7.71E+12 1.97E+14 1.74E-02 1s2p 1P 1.0 2p2p 1S .0 1.9301 3.35E+13 4.22E+14 3.64E+13 9.20E-01 1s2p 3P 1.0 2p2p 1D 2.0 1.9314 8.32E+11 4.73E+11 2.66E+14 6.27E-04 1s2s 1S .0 2s2p 1P 1.0 1.9348 3.18E+14 2.39E+14 1.97E+14 5.39E-01 1s2p 3P 2.0 2p2p 1D 2.0 1.9351 1.87E+14 1.06E+14 2.66E+14 1.41E-01 1s2s 3S 1.0 2s2p 3P 2.0 1.9361 6.46E+13 2.44E+14 1.36E+13 9.47E-01 1s2p 3P 1.0 2p2p 3P 2.0 1.9368 1.35E+14 1.49E+14 1.08E+14 2.50E-01 1s2s 3S 1.0 2s2p 3P 1.0 1.9401 5.25E+13 2.35E+14 1.95E+13 8.97E-01 1s2p 1P 1.0 2p2p 1D 2.0 1.9404 6.72E+14 3.82E+14 2.66E+14 5.06E-01 1s2p 3P 2.0 2p2p 3P 2.0 1.9406 2.35E+14 2.59E+14 1.08E+14 4.35E-01 1s2p 3P 1.0 2p2p 3P .0 1.9412 3.30E+12 4.47E+14 3.38E+12 9.77E-01 1s2s 3S 1.0 2s2p 3P .0 1.9414 1.29E+13 2.42E+14 1.36E+13 9.47E-01 1s2p 1P 1.0 2p2p 3P 2.0 1.9459 7.20E+13 7.93E+13 1.08E+14 1.33E-01 1s2s 1S .0 2s2p 3P 1.0 1.9492 1.68E+12 7.52E+12 1.95E+13 2.87E-02 1s2p 1P 1.0 2p2p 3P .0 1.9503 5.32E+10 7.22E+12 3.38E+12 1.58E-02 1s2p 3P 1.0 2p2p 1S .0 1.9515 2.87E+13 3.69E+13 3.22E+14 8.92E-02 1s2p 1P 1.0 2p2p 1S .0 1.9607 4.28E+13 5.51E+13 3.22E+14 1.33E-01