Table 2: Experimental energy levels and calculated Landé g-factors in Ra II. For this ion, the differences $\Delta E = E_{\rm exp} - E_{\rm calc} = 0$ cm-1 and the eigenvector purities are equal to 100% for all the levels (see the text).

Designationa		 J $E_{\rm exp}^a$ gb
    (cm-1)  

Even parity		      
7s 2S 1/2 0.00 2.002
6d 2D 3/2 12 084.38 0.800
6d 2D 5/2 13 743.11 1.200
8s 2S 1/2 43 405.01 2.002
7d 2D 3/2 48 744.04 0.800
7d 2D 5/2 49 240.48 1.200
9s 2S 1/2 59 165.23 2.002
8d 2D 3/2 61 734.88 0.800
8d 2D 5/2 61 973.82 1.200
5g 2G 7/2 64 150.65 0.889
5g 2G 9/2 64 150.65 1.111
10s 2S 1/2 66 837.88 2.002
9d 2D 3/2 68 264.07 0.800
9d 2D 5/2 68 394.86 1.200
6g 2G 7/2 69 560.85 0.889
6g 2G 9/2 69 560.85 1.111
11s 2S 1/2 71 172.92 2.002
10d 2D 3/2 72 043.06 0.800
10d 2D 5/2 72 123.78 1.200
7g 2G 7/2 72 824.37 0.889
7g 2G 9/2 72 824.37 1.111
12s 2S 1/2 73 863.1  2.002
11d 2D 3/2 74 434.04 0.800
11d 2D 5/2 74 488.51 1.200
8g 2G 7/2 74 941.91 0.889
8g 2G 9/2 74 941.91 1.111
12d 2D 3/2 [76047] 0.800
12d 2D 5/2 76 080.74 1.200
9g 2G 7/2 76 393.12 0.889
9g 2G 9/2 76 393.12 1.111
10g 2G 7/2 77 431.31 0.889
10g 2G 9/2 77 431.31 1.111
11g 2G 7/2 78 195.21 0.889
11g 2G 9/2 78 195.21 1.111
Odd parity      
7p 2P$^{\circ}$ 1/2 21 351.20 0.666
7p 2P$^{\circ}$ 3/2 26 208.86 1.334
5f 2F$^{\circ}$ 5/2 48 987.98 0.857
5f 2F$^{\circ}$ 7/2 49 272.31 1.143
8p 2P$^{\circ}$ 1/2 50 606.01 0.666
8p 2P$^{\circ}$ 3/2 52 392.05 1.334
6f 2F$^{\circ}$ 5/2 59 515.48 0.857
6f 2F$^{\circ}$ 7/2 59 815.59 1.143
9p 2P$^{\circ}$ 1/2 [62 977] 0.666
9p 2P$^{\circ}$ 3/2 63 410.41 1.334
7f 2F$^{\circ}$ 5/2 66 521.86 0.857
7f 2F$^{\circ}$ 7/2 66 691.22 1.143
a From Moore (1971). Energies between brackets are calculated values obtained in the present work.
b Landé factor as calculated in the present work.

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