Physics – Atomic Physics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..34100359p&link_type=abstract
VizieR On-line Data Catalog: J/A+A/410/359. Originally published in: 2003A&A...410..359P
Physics
Atomic Physics
Atomic Physics
Scientific paper
A detailed analysis of the radiative and Auger de-excitation channels of K-shell vacancy states in Fe II-Fe IX has been carried out. Level energies, wavelengths, A-values, Auger rates and fluorescence yields have been calculated for the lowest fine-structure levels populated by photoionization of the ground state of the parent ion. Different branching ratios, namely K-alpha2/K-alpha1, K-beta/K-alpha, KLM/KLL, KMM/KLL, and the total K-shell fluorescence yields, omega_K, obtained in the present work have been compared with other theoretical data and solid-state measurements, finding good general agreement with the latter. The K-alpha2/K-alpha1 ratio is found to be sensitive to the excitation mechanism. From these comparisons it has been possible to estimate an accuracy of ~10% for the present transition probabilities.
(2 data files).
Bautista Manuel A.
Kallman Tim R.
Mélendez Marcio
Mendoza Carolina
Palmeri Patrick
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