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Table A.11

Comparison between available experimental and calculated energy levels in Sr vi.

E exp a E calc b ΔE J Leading components (in %) in LS couplingc

Odd parity
0.0 1 1 1.5 93 4p34S
20 134.7 20 114 21 1.5 82 4p32D + 13 4p32P
23 527.0 23 546 19 2.5 97 4p32D
38 531.1 38 544 13 0.5 97 4p32P
43 566.9 43 555 12 1.5 79 4p32P + 15 4p32D
Even parity
153 170.8 153 175 4 2.5 90 4s4p44P + 8 4p2(3P)4d 4P
159 597.3 159 567 30 1.5 91 4s4p44P + 8 4p2(3P)4d 4P
162 238.2 162 269 31 0.5 89 4s4p44P + 8 4p2(3P)4d 4P
188 319.4 188 458 139 1.5 80 4s4p42D + 13 4p2(1D)4d 2D
189 978.4 189 846 132 2.5 81 4s4p42D + 14 4p2(1D)4d 2D
215 697.0 215 698 1 1.5 60 4s4p42P + 32 4p2(3P)4d 2P
216 644.3 216 620 24 0.5 33 4s4p42P + 42 4s4p42S + 15 4p2(3P)4d 2P
227 291.5 227 320 29 0.5 41 4s4p42S + 29 4s4p42P + 18 4p2(3P)4d 2P
327 320.0 327 321 1 0.5 79 4p2(3P)5s 4P + 7 4p2(3P)5s 2P + 7 4p2(1D)4d 2S
333 260.0 333 277 17 1.5 93 4p2(3P)5s 4P
338 240.0 338 259 19 0.5 87 4p2(3P)5s 2P + 10 4p2(3P)5s 4P
338 650.0 338 630 20 2.5 85 4p2(3P)5s 4P + 12 4p2(1D)5s 2D
343 870.0 343 839 31 1.5 72 4p2(3P)5s 2P + 24 4p2(1D)5s 2D
355 820.0 355 812 8 2.5 85 4p2(1D)5s 2D + 12 4p2(3P)5s 4P
356 820.0 356 844 24 1.5 74 4p2(1D)5s 2D + 22 4p2(3P)5s 2P
378 990.0 378 990 0 0.5 91 4p2(1S)5s 2S

Notes. Energies are given in cm-1.

(b)

This work.

(c)

Only the first three components that are larger than 5% are given.

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