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Table 2

Wavelengths of K-shell transitions in Si ix

Index Upper level(Jπ) Lower level(Jπ) λ a λ b λ c λd (Å)
1 1s2s22p3 1s22s22p2 6.924 6.930 6.922 6.931
2 1s2s22p3 1s22s22p2 6.927 6.933 6.926 6.934
3 1s2s22p3 1s22s22p2 6.932 6.938 6.930 6.938
4 1s2s2p4 1s22s2p3 6.938 6.939 6.935 6.930
5 1s2s2p4 1s22s2p3 6.939 6.941 6.938 6.918
6 1s2p5 1s22p4 6.941 6.940 6.936 6.907
7 1s2s22p3 1s22s22p2 6.945 6.945 6.939 6.944
8 1s2p5 1s22p4 6.950 6.947 6.945 6.917
9 1s2p5 1s22p4 6.952 6.954 6.951 6.959
10 1s2s2p4 1s22s2p3 6.955 6.958 6.954 6.922
11 1s2s2p4 1s22s2p3 6.960 6.965 6.959 6.929
12 1s2s2p4 1s22s2p3 6.962 6.964 6.960 6.956
13 1s2s2p4 1s22s2p3 6.985 6.991 6.985 6.958
14 1s2p5 1s22p4 6.991 6.990 6.986 6.956
15 1s2s2p4 1s22s2p3 6.883 6.882 6.878 6.861
16 1s2s22p3 1s22s22p2 6.913 6.921 6.914 6.920

Notes. λa: Laser plasma experimental results from Faenov et al. (1994). λb: our FAC6 calculations. λc: calculations with HFR (Palmeri et al. 2008). λd: calculations with MCDF (Chen et al. 1997).

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