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= 23


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

1s2p  3P 1.0  2p2p  1S  .0   	  2.2735  1.51E+10  1.53E+11  3.20E+13  4.71E-04
1s2s  3S 1.0  2s2p  1P 1.0   	  2.2788  5.85E+12  3.68E+12  1.99E+14  9.81E-03
1s2p  1P 1.0  2p2p  1S  .0   	  2.2839  2.88E+13  2.94E+14  3.20E+13  9.01E-01
1s2p  3P 1.0  2p2p  1D 2.0   	  2.2871  4.69E+11  2.05E+11  2.93E+14  3.20E-04
1s2s  1S  .0  2s2p  1P 1.0   	  2.2902  2.74E+14  1.72E+14  1.99E+14  4.60E-01
1s2p  3P 2.0  2p2p  1D 2.0   	  2.2907  1.29E+14  5.66E+13  2.93E+14  8.83E-02
1s2s  3S 1.0  2s2p  3P 2.0   	  2.2922  6.32E+13  1.74E+14  1.36E+13  9.27E-01
1s2p  3P 1.0  2p2p  3P 2.0   	  2.2931  9.49E+13  1.00E+14  8.08E+13  2.35E-01
1s2s  3S 1.0  2s2p  3P 1.0   	  2.2961  4.68E+13  1.69E+14  1.76E+13  8.89E-01
1s2p  3P 2.0  2p2p  3P 2.0   	  2.2967  1.92E+14  2.03E+14  8.08E+13  4.76E-01
1s2s  3S 1.0  2s2p  3P  .0   	  2.2975  1.26E+13  1.72E+14  1.36E+13  9.27E-01
1s2p  3P 1.0  2p2p  3P  .0   	  2.2975  2.76E+12  3.25E+14  2.82E+12  9.78E-01
1s2p  1P 1.0  2p2p  1D 2.0   	  2.2976  6.65E+14  2.91E+14  2.93E+14  4.54E-01
1s2p  1P 1.0  2p2p  3P 2.0   	  2.3037  4.04E+13  4.28E+13  8.08E+13  1.00E-01
1s2s  1S  .0  2s2p  3P 1.0   	  2.3077  9.92E+11  3.58E+12  1.76E+13  1.88E-02
1s2p  1P 1.0  2p2p  3P  .0   	  2.3082  3.80E+10  4.48E+12  2.82E+12  1.35E-02
1s2p  3P 1.0  2p2p  1S  .0   	  2.3104  1.63E+13  1.95E+13  3.27E+14  4.98E-02
1s2p  1P 1.0  2p2p  1S  .0   	  2.3211  3.84E+13  4.61E+13  3.27E+14  1.17E-01