Table 1: Target levels of Fe X and their threshold energies (in Ryd).
Index Configuration Level GRASPa GRASPb Index Configuration Level GRASPa GRASPb
1...... 3s23p5 2P $^\circ_{3/2}$ 0.0000 0.0000 46...... 3s3p5(3P)3d 2D $^\circ_{5/2}$ 7.0780 7.0664
2...... 3s23p5 2P $^\circ_{1/2}$ 0.1461 0.1426 47...... 3s3p5(1P)3d 2P $^\circ_{1/2}$ 7.1552 7.1458
3...... 3s3p6 2S1/2 2.6066 2.6024 48...... 3s3p5(1P)3d 2P $^\circ_{3/2}$ 7.2331 7.2206
4...... 3s23p4 (3P)3d 4D5/2 3.5545 3.5473 49...... 3s23p3(4S)3d2(3F) 6F $^\circ_{1/2}$ 7.2842 7.2722
$^\star$5...... 3s23p4 (3P)3d 4D7/2 3.5550 3.5468 50...... 3s23p3(4S)3d2(3F) 6F $^\circ_{3/2}$ 7.2859 7.2736
6...... 3s23p4 (3P)3d 4D3/2 3.5653 3.5587 51...... 3s23p3(4S)3d2(3F) 6F $^\circ_{5/2}$ 7.2892 7.2762
7...... 3s23p4 (3P)3d 4D1/2 3.5791 3.5724 52...... 3s23p3(4S)3d2(3F) 6F $^\circ_{7/2}$ 7.2942 7.2803
8...... 3s23p4 (3P)3d 4F9/2 3.8485 3.8407 53...... 3s23p3(4S)3d2(3F) 6F $^\circ_{9/2}$ 7.3012 7.2862
9...... 3s23p4 (1D)3d 2P1/2 3.8673 3.8608 54...... 3s23p3(4S)3d2(3F) 6F $^\circ_{11/2}$ 7.3101 7.2935
10...... 3s23p4 (3P)3d 4F7/2 3.8954 3.8876 55...... 3s3p5(1P)3d 2F $^\circ_{5/2}$ 7.4346 7.4237
11...... 3s23p4 (3P)3d 4F5/2 3.9301 3.9220 56...... 3s3p5(1P)3d 2F $^\circ_{7/2}$ 7.4756 7.4626
12...... 3s23p4 (3P)3d 4F3/2 3.9421 3.9345 57...... 3s23p3(4S)3d2(3P) 6P $^\circ_{3/2}$ 7.5391 7.5263
13...... 3s23p4 (1D)3d 2P3/2 3.9451 3.9375 58...... 3s23p3(4S)3d2(3P) 6P $^\circ_{5/2}$ 7.5427 7.5295
14...... 3s23p4 (1D)3d 2D3/2 4.0010 3.9942 59...... 3s23p3(4S)3d2(3P) 6P $^\circ_{7/2}$ 7.5470 7.5323
15...... 3s23p4 (3P)3d 4P1/2 4.0050 3.9992 60...... 3s3p5(1P)3d 2D $^\circ_{3/2}$ 7.6883 7.6777
16...... 3s23p4 (3P)3d 4P3/2 4.0516 4.0435 61...... 3s3p5(1P)3d 2D $^\circ_{5/2}$ 7.7055 7.6931
17...... 3s23p4 (3P)3d 4P5/2 4.0700 4.0615 62...... 3s23p3(4S)3d2(1D) 4D $^\circ_{7/2}$ 7.7747 7.7604
18...... 3s23p4 (3P)3d 2F7/2 4.0785 4.0716 63...... 3s23p3(4S)3d2(1D) 4D $^\circ_{5/2}$ 7.7815 7.7680
19...... 3s23p4 (1D)3d 2D5/2 4.0932 4.0836 64...... 3s23p3(4S)3d2(1D) 4D $^\circ_{3/2}$ 7.7860 7.7734
20...... 3s23p4 (1D)3d 2G9/2 4.1716 4.1612 65...... 3s23p3(4S)3d2(1D) 4D $^\circ_{1/2}$ 7.7977 7.7850
21...... 3s23p4 (1D)3d 2G7/2 4.1750 4.1660 66...... 3s23p3(2D)3d2(3F) 4G $^\circ_{5/2}$ 7.8071 7.7946
22...... 3s23p4 (3P)3d 2F5/2 4.2027 4.1935 67...... 3s23p3(2D)3d2(3P) 4P $^\circ_{1/2}$ 7.8082 7.7951
23...... 3s23p4 (1D)3d 2F5/2 4.4736 4.4664 68...... 3s23p3(2D)3d2(3F) 4G $^\circ_{7/2}$ 7.8179 7.8046
24...... 3s23p4 (1D)3d 2F7/2 4.5114 4.5020 69...... 3s23p3(2D)3d2(3P) 4F $^\circ_{3/2}$ 7.8248 7.8127
25...... 3s23p4 (1S)3d 2D3/2 4.7315 4.7243 70...... 3s23p3(2D)3d2(3F) 4G $^\circ_{9/2}$ 7.8380 7.8230
26...... 3s23p4 (1S)3d 2D5/2 4.7715 4.7618 71...... 3s23p3(2D)3d2(3P) 4P $^\circ_{3/2}$ 7.8407 7.8272
27...... 3s23p4 (1D)3d 2S1/2 5.0297 5.0228 72...... 3s23p3(2D)3d2(3P) 4F $^\circ_{5/2}$ 7.8590 7.8452
28...... 3s23p4 (3P)3d 2P3/2 5.2800 5.2727 $^\star$73...... 3s23p3(2D)3d2(3F) 4G $^\circ_{11/2}$ 7.8593 7.8426
29...... 3s23p4 (3P)3d 2P1/2 5.3332 5.3243 74...... 3s23p3(2D)3d2(3P) 4P $^\circ_{5/2}$ 7.8736 7.8591
30...... 3s23p4 (3P)3d 2D5/2 5.3503 5.3428 75...... 3s23p3(2D)3d2(3P) 4F $^\circ_{7/2}$ 7.8963 7.8813
31...... 3s23p4 (3P)3d 2D3/2 5.4739 5.4633 76...... 3s23p3(2D)3d2(3P) 4F $^\circ_{9/2}$ 7.9270 7.9102
32...... 3s3p5(3P)3d 4P $^\circ_{1/2}$ 6.2330 6.2252 77...... 3s23p3(2D)3d2(3F) 4H $^\circ_{7/2}$ 7.9866 7.9746
33...... 3s3p5(3P)3d 4P $^\circ_{3/2}$ 6.2578 6.2485 78...... 3s23p3(2D)3d2(3F) 4H $^\circ_{9/2}$ 7.9968 7.9833
34...... 3s3p5(3P)3d 4P $^\circ_{5/2}$ 6.3016 6.2905 79...... 3s23p3(2D)3d2(3F) 4H $^\circ_{11/2}$ 8.0118 7.9964
35...... 3s3p5(3P)3d 4F $^\circ_{9/2}$ 6.5623 6.5516 80...... 3s23p3(2D)3d2(3F) 4H $^\circ_{13/2}$ 8.0378 8.0197
36...... 3s3p5(3P)3d 4F $^\circ_{7/2}$ 6.5873 6.5771 81...... 3s23p3(2D)3d2(1D) 2F $^\circ_{7/2}$ 8.0691 8.0553
37...... 3s3p5(3P)3d 4F $^\circ_{5/2}$ 6.6145 6.6044 82...... 3s23p3(2D)3d2(3F) 2H $^\circ_{9/2}$ 8.1123 8.0983
38...... 3s3p5(3P)3d 4F $^\circ_{3/2}$ 6.6395 6.6293 83...... 3s23p3(2D)3d2(1D) 2F $^\circ_{5/2}$ 8.1176 8.1038
39...... 3s3p5(3P)3d 4D $^\circ_{7/2}$ 6.8612 6.8504 84...... 3s23p3(2D)3d2(1D) 2D $^\circ_{3/2}$ 8.1333 8.1211
40...... 3s3p5(3P)3d 4D $^\circ_{1/2}$ 6.8721 6.8630 $^\star$85...... 3s23p3(2D)3d2(3F) 2H $^\circ_{11/2}$ 8.1336 8.1180
41...... 3s3p5(3P)3d 4D $^\circ_{5/2}$ 6.8767 6.8662 86...... 3s23p3(2P)3d2(3F) 4G $^\circ_{5/2}$ 8.1999 8.1863
42...... 3s3p5(3P)3d 4D $^\circ_{3/2}$ 6.8777 6.8678 87...... 3s23p3(2P)3d2(3F) 4G $^\circ_{7/2}$ 8.2122 8.1983
43...... 3s3p5(3P)3d 2F $^\circ_{7/2}$ 6.9369 6.9268 88...... 3s3p5(3P)3d 2P $^\circ_{1/2}$ 8.2169 8.2058
44...... 3s3p5(3P)3d 2F $^\circ_{5/2}$ 6.9965 6.9859 $^\star$89...... 3s23p3(2D)3d2(3F) 2D $^\circ_{5/2}$ 8.2186 8.2031
45...... 3s3p5(3P)3d 2D $^\circ_{3/2}$ 7.0612 7.0510 90...... 3s3p5(3P)3d 2P $^\circ_{3/2}$ 8.2235 8.2119
$\textstyle \parbox{16.5cm}{ $^a$\space Present results {\em without} Breit and ... ... The level has changed order with the inclusion of Breit and QED corrections. }$


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Article Contents
1 Introduction
2 Atomic structure
3 Collision strengths
4 Effective collision strengths
5 Comparison with experiments
6 Conclusions
References
Online Material
List of tables
List of figures