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All figures (11)
Table 7. Comparison of E1 transitions of Fe XVI line strengths SE1 and radiative decay rates AE1: RCC—relativistic coupled cluster, GRASP2—fully relativistic atomic structure [1], BPRM—relativistic Breit–Pauli R-matrix, SS—Breit–Pauli atomic structure.
Table 8. Comparison of present absorption oscillator strengths f for Fe XVI with those from experiment by Buchet et al [4] (a: simulation procedure, b: fit program) and calculation by Weiss [30].
Table 1. Binding energies Ec calculated by BPRM for Fe XVI (with magnetic interaction between electrons that can be absorbed into ζ ) and comparison with observed energies Eo from NIST. IJ is the positional level index in the given symmetry Jπ , K or K+L telling that closed shells 1s2 or 1s22s22p6 are screening all spin–orbit parameters ζ . Case K+L computed with NRANG2=15 basis functions while RA=4.03.
Table 2. 1µ` = ν`+1/2− ν`−1/2 for lower n from data in table 1.
Table 9. Sample set of fine structure levels of Fe XVI for which forbidden transitions have been obtained. The indices (cf) correspond to configurations 2p63s(1), 2p63p(2), 2p63d(3), 2p64s(4), 2p64p(5), 2p64d(6), 2p64f(7), 2p65s(8), 2p65p(9), 2p65d(10), 2p65f(11), 2p65g(12), 2p53s2(13), 2p53s3p(14), 2p53s3d(15), 2p53s4s(16), 2p53s4p(17), 2p53s4d(18), 2p53s4f(19), 2p53p2(20), 2p53p3d(21) and 2s2p63p2(22).
Table 4. Sample output of fine structure energy levels of Fe XVI.
Table 3. Sample table of fine structure energy levels of Fe XVI as sets of L S term components. Ct is the core configuration, ν is the effective quantum number.
Table 10. Sample sets of radiative decay rates A = A ∗ s for the forbidden electric quadrupole (AE2), electric octupole (AE3), magnetic dipole (AM1) and magnetic quadrupole (AM3) of Fe XVI. The level numbers (i, j) and configurations indices (Ci,C j) correspond to those in table 9, that is 2p63s(1), 2p63p(2), 2p63d(3), 2p64s(4), 2p64p(5), 2p64d(6), 2p64f(7), 2p65s(8), 2p65p(9), 2p65d(10), 2p65f(11), 2p65g(12), 2p53s2(13), 2p53s3p(14), 2p53s3d(15), 2p53s4s(16), 2p53s4p(17), 2p53s4d(18), 2p53s4f(19), 2p53p2(20), 2p53p3d(21) and 2s2p63p2(22). T denotes the L S term SLπ and Ntr is the number of transitions.
Table 11. Comparison of the present radiative decay rates A and line strengths S for E2 transitions in Fe XVI with those from previous calculations. The capital letter in the second column indicates accuracy rating by NIST.
Table 5. Sample set of f -values, line strengths S and coefficients A for E1 dipole allowed and intercombination transitions in FeXVI.
Table 6. Sample table of dipole allowed same-spin and intercombination E1 transitions in Fe XVI, grouped as fine structure components of L S multiplets. Calculated energies have been replaced by observed energies.
Journal Article
•
DOI
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A comprehensive set of UV and x-ray radiative transition rates for Fe XVI
[...]
Sultana N. Nahar
1
,
Werner Eissner
,
Chiranjib Sur
1
,
Anil K. Pradhan
1
•
Institutions (1)
Ohio State University
1
03 Mar 2009
-
Physica Scripta