Radiative rates and electron impact excitation rates for H-like Fe XXVI

K. M. Aggarwal; K. Hamada; A. Igarashi; V. Jonauskas; F. P. Keenan; S. Nakazaki

doi:10.1051/0004-6361:200809823

Radiative rates and electron impact excitation rates for H-like Fe XXVI

K. M. Aggarwal, K. Hamada, A. Igarashi, V. Jonauskas, F. P. Keenan, S. Nakazaki

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Abstract

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 $\le$ 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.

Original language	English
Pages (from-to)	879-885
Journal	Astronomy and Astrophysics
Volume	484
DOIs	https://doi.org/10.1051/0004-6361:200809823
Publication status	Published - Jun 2008

ASJC Scopus subject areas

Space and Planetary Science

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10.1051/0004-6361:200809823

Radiative rates and electron impact excitation rates for H-like Fe xxvi
© 2008 ESO Credit: Radiative rates and electron impact excitation rates for H-like Fe XXVI. / Aggarwal, Kanti; Hamada, K.; Igarashi, A.; Jonauskas, Valdas; Keenan, Francis; Nakazaki, S. In: Astronomy and Astrophysics, Vol. 484, 06.2008, p. 879-885. © ESO.
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title = "Radiative rates and electron impact excitation rates for H-like Fe XXVI",

abstract = "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 $\le$ 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.",

author = "Aggarwal, {K. M.} and K. Hamada and A. Igarashi and V. Jonauskas and Keenan, {F. P.} and S. Nakazaki",

year = "2008",

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doi = "10.1051/0004-6361:200809823",

language = "English",

volume = "484",

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T1 - Radiative rates and electron impact excitation rates for H-like Fe XXVI

AU - Aggarwal, K. M.

AU - Hamada, K.

AU - Igarashi, A.

AU - Jonauskas, V.

AU - Keenan, F. P.

AU - Nakazaki, S.

PY - 2008/6

Y1 - 2008/6

N2 - 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 $\le$ 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.

AB - 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 $\le$ 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.

U2 - 10.1051/0004-6361:200809823

DO - 10.1051/0004-6361:200809823

M3 - Article

VL - 484

SP - 879

EP - 885

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

SN - 0004-6361

ER -

Radiative rates and electron impact excitation rates for H-like Fe XXVI

Abstract

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