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= 6


lower level   upper level      lambda(A)  Qd(1/s)   Ar(1/s)   Aa(1/s)  Branching-ratio

1s2p  3P 1.0  2p2p  1S  .0   	  33.575  1.68E+06  1.81E+06  1.43E+13  1.18E-07
1s2s  3S 1.0  2s2p  1P 1.0   	  33.808  2.45E+07  8.19E+06  2.03E+14  4.03E-08
1s2p  1P 1.0  2p2p  1S  .0   	  33.876  1.01E+12  1.08E+12  1.43E+13  7.06E-02
1s2s  1S  .0  2s2p  1P 1.0   	  34.309  2.26E+12  7.57E+11  2.03E+14  3.72E-03
1s2p  3P 1.0  2p2p  1D 2.0   	  34.384  9.54E+05  1.91E+05  3.74E+14  5.11E-10
1s2p  3P 2.0  2p2p  1D 2.0   	  34.386  6.69E+08  1.34E+08  3.74E+14  3.58E-07
1s2s  3S 1.0  2s2p  3P 2.0   	  34.530  3.38E+12  7.11E+11  1.36E+13  4.95E-02
1s2s  3S 1.0  2s2p  3P 1.0   	  34.534  2.03E+12  7.10E+11  1.36E+13  4.95E-02
1s2s  3S 1.0  2s2p  3P  .0   	  34.535  6.75E+11  7.10E+11  1.36E+13  4.95E-02
1s2p  3P 1.0  2p2p  3P 2.0   	  34.596  5.57E+10  3.57E+11  4.60E+10  2.42E-01
1s2p  3P 2.0  2p2p  3P 2.0   	  34.598  1.67E+11  1.07E+12  4.60E+10  7.27E-01
1s2p  3P 1.0  2p2p  3P  .0   	  34.601  2.44E+09  1.43E+12  2.44E+09  9.98E-01
1s2p  1P 1.0  2p2p  1D 2.0   	  34.701  7.20E+12  1.45E+12  3.74E+14  3.85E-03
1s2p  1P 1.0  2p2p  3P 2.0   	  34.916  1.49E+07  9.53E+07  4.60E+10  6.46E-05
1s2p  1P 1.0  2p2p  3P  .0   	  34.921  4.26E+04  2.50E+07  2.44E+09  1.74E-05
1s2s  1S  .0  2s2p  3P 1.0   	  35.057  2.19E+07  7.68E+06  1.36E+13  5.35E-07
1s2p  3P 1.0  2s2p  1S  .0   	  35.234  5.26E+07  5.26E+07  3.47E+14  1.51E-07
1s2p  1P 1.0  2s2p  1S  .0   	  35.566  3.01E+11  3.02E+11  3.47E+14  8.67E-04