Volume 484, Number 3, June IV 2008
|Page(s)||879 - 885|
|Section||Atomic, molecular, and nuclear data|
|Published online||16 April 2008|
Radiative rates and electron impact excitation rates for H-like Fe XXVI *
Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN, Northern Ireland, UK e-mail: K.Aggarwal@qub.ac.uk
2 Department of Applied Physics, Faculty of Engineering, University of Miyazaki, Miyazaki 889-2192, Japan
3 Vilnius University Research Institute of Theoretical Physics and Astronomy, A. Goštauto 12, 01108 Vilnius, Lithuania
Accepted: 7 April 2008
Aims. In this paper we report on calculations for energy levels, radiative rates, collision strengths, and effective collision strengths for transitions among the lowest 25 levels of the n ≤ 5 configurations of H-like Fe XXVI.
Methods. The general-purpose relativistic atomic structure package (GRASP) and Dirac atomic R-matrix code (DARC) are adopted for the calculations.
Results. Radiative rates, oscillator strengths, and line strengths are reported for all electric dipole (E1), magnetic dipole (M1), electric quadrupole (E2), and magnetic quadrupole (M2) transitions among the 25 levels. Furthermore, collision strengths and effective collision strengths are reported for all the 300 transitions among the above 25 levels over a wide energy (temperature) range up to 1500 Ryd (107.7 K). Comparisons are made with earlier available results and the accuracy of the data is assessed.
Key words: atomic data / atomic processes
© ESO, 2008
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