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= 10


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

1s2p  3P 1.0  2p2p  1S  .0   	  12.089  1.06E+08  1.63E+08  1.66E+13  6.37E-06
1s2s  3S 1.0  2s2p  1P 1.0   	  12.139  3.57E+09  1.23E+09  2.03E+14  5.88E-06
1s2p  1P 1.0  2p2p  1S  .0   	  12.173  5.82E+12  8.97E+12  1.66E+13  3.51E-01
1s2s  1S  .0  2s2p  1P 1.0   	  12.262  1.75E+13  6.02E+12  2.03E+14  2.89E-02
1s2p  3P 1.0  2p2p  1D 2.0   	  12.269  2.42E+08  4.99E+07  3.73E+14  1.30E-07
1s2p  3P 2.0  2p2p  1D 2.0   	  12.272  8.73E+10  1.80E+10  3.73E+14  4.68E-05
1s2s  3S 1.0  2s2p  3P 2.0   	  12.307  2.03E+13  5.80E+12  1.36E+13  2.98E-01
1s2s  3S 1.0  2s2p  3P 1.0   	  12.310  1.22E+13  5.80E+12  1.37E+13  2.98E-01
1s2s  3S 1.0  2s2p  3P  .0   	  12.312  4.07E+12  5.79E+12  1.36E+13  2.98E-01
1s2p  3P 1.0  2p2p  3P 2.0   	  12.323  8.95E+11  2.91E+12  7.61E+11  2.35E-01
1s2p  3P 2.0  2p2p  3P 2.0   	  12.325  2.67E+12  8.71E+12  7.61E+11  7.02E-01
1s2p  3P 1.0  2p2p  3P  .0   	  12.328  5.33E+10  1.16E+13  5.36E+10  9.95E-01
1s2p  1P 1.0  2p2p  1D 2.0   	  12.356  5.66E+13  1.17E+13  3.73E+14  3.03E-02
1s2p  1P 1.0  2p2p  3P 2.0   	  12.410  3.85E+09  1.25E+10  7.61E+11  1.01E-03
1s2p  1P 1.0  2p2p  3P  .0   	  12.415  1.53E+07  3.33E+09  5.36E+10  2.85E-04
1s2s  1S  .0  2s2p  3P 1.0   	  12.437  2.47E+09  1.17E+09  1.37E+13  6.01E-05
1s2p  3P 1.0  2s2p  1S  .0   	  12.465  8.65E+09  8.71E+09  3.45E+14  2.51E-05
1s2p  1P 1.0  2s2p  1S  .0   	  12.554  2.42E+12  2.44E+12  3.45E+14  7.03E-03