1 2 573394.500 0.000e+00 4.770e-05 2s2.2p 2P0.5 - 2s2.2p 2P1.5 1 3 1748.646 3.255e-07 3.493e+02 2s2.2p 2P1/2 - 2s.2p2 4P1/2 2 3 1753.995 3.399e-07 3.626e+02 2s2.2p 2P3/2 - 2s.2p2 4P1/2 1 4 1746.823 1.654e-08 8.896e+00 2s2.2p 2P1/2 - 2s.2p2 4P3/2 2 4 1752.160 1.154e-07 6.169e+01 2s2.2p 2P3/2 - 2s.2p2 4P3/2 2 5 1749.674 7.601e-07 2.716e+02 2s2.2p 2P3/2 - 2s.2p2 4P5/2 1 6 989.799 2.433e-01 4.169e+08 2s2.2p 2P1/2 - 2s.2p2 2D3/2 2 6 991.511 4.774e-02 8.151e+07 2s2.2p 2P3/2 - 2s.2p2 2D3/2 2 7 991.577 4.353e-01 4.955e+08 2s2.2p 2P3/2 - 2s.2p2 2D5/2 1 8 763.334 1.645e-01 9.501e+08 2s2.2p 2P1/2 - 2s.2p2 2S1/2 2 8 764.351 3.182e-01 1.833e+09 2s2.2p 2P3/2 - 2s.2p2 2S1/2 1 9 685.515 5.232e-01 3.743e+09 2s2.2p 2P1/2 - 2s.2p2 2P1/2 2 9 686.336 2.669e-01 1.905e+09 2s2.2p 2P3/2 - 2s.2p2 2P1/2 1 10 684.998 2.628e-01 9.414e+08 2s2.2p 2P1/2 - 2s.2p2 2P3/2 2 10 685.817 1.318e+00 4.710e+09 2s2.2p 2P3/2 - 2s.2p2 2P3/2 5 11 772.384 8.466e-01 2.263e+09 2s.2p2 4P5/2 - 2p3 4S3/2 4 11 771.901 5.648e-01 1.511e+09 2s.2p2 4P3/2 - 2p3 4S3/2 3 11 771.545 2.824e-01 7.568e+08 2s.2p2 4P1/2 - 2p3 4S3/2 6 12 979.832 5.044e-01 8.773e+08 2s.2p2 2D3/2 - 2p3 2D3/2 7 12 979.768 5.793e-02 1.008e+08 2s.2p2 2D5/2 - 2p3 2D3/2 8 12 1387.259 2.592e-05 2.243e+04 2s.2p2 2S1/2 - 2p3 2D3/2 10 12 1751.218 4.528e-02 2.471e+07 2s.2p2 2P3/2 - 2p3 2D3/2 9 12 1747.848 2.324e-01 1.274e+08 2s.2p2 2P1/2 - 2p3 2D3/2 5 13 686.122 4.682e-06 1.109e+04 2s.2p2 4P5/2 - 2p3 2D5/2 6 13 979.969 5.708e-02 6.615e+07 2s.2p2 2D3/2 - 2p3 2D5/2 7 13 979.905 7.884e-01 9.142e+08 2s.2p2 2D5/2 - 2p3 2D5/2 10 13 1751.657 4.148e-01 1.508e+08 2s.2p2 2P3/2 - 2p3 2D5/2 6 14 772.955 4.096e-01 2.296e+09 2s.2p2 2D3/2 - 2p3 2P1/2 8 14 1006.036 7.388e-02 2.442e+08 2s.2p2 2S1/2 - 2p3 2P1/2 10 14 1184.574 1.202e-01 2.876e+08 2s.2p2 2P3/2 - 2p3 2P1/2 9 14 1183.031 2.436e-01 5.843e+08 2s.2p2 2P1/2 - 2p3 2P1/2 6 15 772.929 8.288e-02 2.322e+08 2s.2p2 2D3/2 - 2p3 2P3/2 7 15 772.889 7.332e-01 2.055e+09 2s.2p2 2D5/2 - 2p3 2P3/2 8 15 1005.993 1.536e-01 2.538e+08 2s.2p2 2S1/2 - 2p3 2P3/2 10 15 1184.514 6.064e-01 7.257e+08 2s.2p2 2P3/2 - 2p3 2P3/2 9 15 1182.971 1.175e-01 1.410e+08 2s.2p2 2P1/2 - 2p3 2P3/2 1 16 451.871 6.313e-02 1.029e+09 2s2.2p 2P1/2 - 2s2.3s 2S1/2 2 16 452.227 1.266e-01 2.060e+09 2s2.2p 2P3/2 - 2s2.3s 2S1/2 6 17 691.397 1.491e-02 1.040e+08 2s.2p2 2D3/2 - 2s2.3p 2P1/2 8 17 872.135 7.910e-03 3.460e+07 2s.2p2 2S1/2 - 2s2.3p 2P1/2 10 17 1003.214 1.576e-04 5.220e+05 2s.2p2 2P3/2 - 2s2.3p 2P1/2 9 17 1002.107 2.868e-04 9.521e+05 2s.2p2 2P1/2 - 2s2.3p 2P1/2 16 17 4104.551 4.336e-01 8.676e+07 2s2.3s 2S1/2 - 2s2.3p 2P1/2 6 18 691.225 2.993e-03 1.044e+07 2s.2p2 2D3/2 - 2s2.3p 2P3/2 7 18 691.193 2.686e-02 9.367e+07 2s.2p2 2D5/2 - 2s2.3p 2P3/2 8 18 871.862 1.576e-02 3.449e+07 2s.2p2 2S1/2 - 2s2.3p 2P3/2 10 18 1002.853 7.532e-04 1.249e+06 2s.2p2 2P3/2 - 2s2.3p 2P3/2 9 18 1001.747 1.698e-04 2.821e+05 2s.2p2 2P1/2 - 2s2.3p 2P3/2 16 18 4098.512 8.688e-01 8.715e+07 2s2.3s 2S1/2 - 2s2.3p 2P3/2 15 19 2715.193 5.600e-04 1.246e+05 2p3 2P3/2 - 2s2.3d 2D3/2 14 19 2714.876 2.810e-03 6.259e+05 2p3 2P1/2 - 2s2.3d 2D3/2 18 19 4643.151 1.528e-01 1.182e+07 2s2.3p 2P3/2 - 2s2.3d 2D3/2 17 19 4635.424 7.652e-01 5.938e+07 2s2.3p 2P1/2 - 2s2.3d 2D3/2 1 19 374.198 8.654e-01 1.034e+10 2s2.2p 2P1/2 - 2s2.3d 2D3/2 2 19 374.442 1.732e-01 2.067e+09 2s2.2p 2P3/2 - 2s2.3d 2D3/2 15 20 2714.780 5.068e-03 7.522e+05 2p3 2P3/2 - 2s2.3d 2D5/2 18 20 4641.944 1.376e+00 7.099e+07 2s2.3p 2P3/2 - 2s2.3d 2D5/2 2 20 374.434 1.557e+00 1.239e+10 2s2.2p 2P3/2 - 2s2.3d 2D5/2 -1 %filename: n_3.wgfa %energy levels (n=2): Fuhr, J.R., et al., "NIST Atomic Spectra Database" Ver. 2.0, March 1999, NIST Physical Reference Data %energy levels (n=3): Kelly,R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1 %A-values (ground transition): Nussbaumer H., Storey, 1979, A&A, 71, L5 %Allowed transitions for decays from 2s.2p2, 2s2.3s and 2s2.3d to the ground 2s2.2p configuration: Correge, G., Hibbert, A., 2002, J.Phys.B, 35, 1211 %Allowed transitions for all other transitions: Tachiev, G., & Froese Fischer, C., 2000, J.Phys.B, 33, 2419 %comment: The table below compares A-values from the previous CHIANTI model (A_1), with the new model (A_2), where differences are greater than 30%. Significant differences are seen for the intercombination lines, and for some of the n=3 levels. Also, two new (weak) transitions are present in the new model (8-12, 5-13). i j wvl A_1 A_2 %diff 1 3 1748.652 2.52e+002 3.49e+002 38.61 1 4 1746.820 4.47e+000 8.90e+000 99.02 2 3 1753.989 2.54e+002 3.63e+002 42.76 2 4 1752.145 4.36e+001 6.17e+001 41.49 2 5 1749.662 1.76e+002 2.72e+002 54.32 9 18 1001.752 7.21e+005 2.82e+005 -60.87 9 17 1002.112 2.64e+006 9.52e+005 -63.94 10 17 1003.218 1.40e+006 5.22e+005 -62.71 10 18 1002.857 3.41e+006 1.25e+006 -63.37 14 19 2714.711 1.41e+006 6.26e+005 -55.61 15 19 2715.227 2.82e+005 1.25e+005 -55.82 15 20 2714.814 1.70e+006 7.52e+005 -55.75 % produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % P.R.Young - 12-Dec-03 -1