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 VI

 Li-like ion: Z= 20


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

1s2 2p (1S) 2P  .5  2p2p1s (1L) 2S  .5   	  3.1855  5.77E+12  1.06E+13  2.92E+13  9.88E-02
1s2 2p (1S) 2P 1.5  2p2p1s (1L) 2S  .5   	  3.1897  3.67E+13  6.73E+13  2.92E+13  6.28E-01
1s2 2s (1S) 2S  .5  1s2p2s (1P) 2P 1.5   	  3.1906  1.76E+13  4.56E+12  1.21E+14  3.63E-02
1s2 2s (1S) 2S  .5  1s2p2s (1P) 2P  .5   	  3.1915  5.28E+13  3.52E+13  1.06E+14  2.50E-01
1s2 2p (1S) 2P  .5  2p2p1s (3P) 2P 1.5   	  3.1996  3.58E+12  1.08E+13  2.06E+13  4.34E-02
1s2 2s (1S) 2S  .5  1s2p2s (3P) 2P 1.5   	  3.2006  2.06E+12  1.60E+14  5.15E+11  9.97E-01
1s2 2s (1S) 2S  .5  1s2p2s (3P) 2P  .5   	  3.2027  2.88E+13  1.30E+14  1.62E+13  8.89E-01
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 2P 1.5   	  3.2038  7.21E+13  2.18E+14  2.06E+13  8.74E-01
1s2 2p (1S) 2P  .5  2p2p1s (3P) 2P  .5   	  3.2039  4.40E+11  1.78E+14  3.02E+11  7.29E-01
1s2 2p (1S) 2P  .5  2p2p1s (1L) 2D 1.5   	  3.2064  2.48E+14  9.98E+13  1.66E+14  3.73E-01
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 2P  .5   	  3.2081  1.63E+11  6.61E+13  3.02E+11  2.70E-01
1s2 2p (1S) 2P 1.5  2p2p1s (1L) 2D 2.5   	  3.2102  3.34E+14  8.03E+13  1.81E+14  3.07E-01
1s2 2p (1S) 2P 1.5  2p2p1s (1L) 2D 1.5   	  3.2106  4.15E+12  1.67E+12  1.66E+14  6.26E-03
1s2 2p (1S) 2P  .5  2p2p1s (3P) 4P 1.5   	  3.2215  2.07E+09  2.21E+09  3.14E+11  1.65E-03
1s2 2p (1S) 2P  .5  2p2p1s (3P) 4P  .5   	  3.2234  8.23E+10  1.23E+12  4.34E+10  9.48E-01
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 4P 2.5   	  3.2238  1.04E+13  2.50E+12  5.70E+12  3.04E-01
1s2 2s (1S) 2S  .5  1s2p2s (3P) 4P 1.5   	  3.2256  6.33E+11  1.26E+12  1.81E+11  8.74E-01
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 4P 1.5   	  3.2257  9.59E+11  1.02E+12  3.14E+11  7.64E-01
1s2 2s (1S) 2S  .5  1s2p2s (3P) 4P  .5   	  3.2267  5.58E+10  4.35E+11  2.98E+10  9.36E-01
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 4P  .5   	  3.2276  1.60E+09  2.40E+10  4.34E+10  1.85E-02
1s2 2p (1S) 2P  .5  2p2p1s (3P) 2S  .5   	  3.2651  5.26E+12  2.75E+12  1.51E+14  1.74E-02
1s2 2p (1S) 2P 1.5  2p2p1s (3P) 2S  .5   	  3.2695  7.69E+12  4.02E+12  1.51E+14  2.54E-02