Atomic processes for astrophysical plasmas

N. R. Badnell; G. Del Zanna; L. Fernandez Menchero; A. S. Giunta; G. Y. Liang; H.E. Mason; P. J. Storey

doi:10.1088/0953-4075/49/9/094001

Atomic processes for astrophysical plasmas

N. R. Badnell, G. Del Zanna, L. Fernandez Menchero, A. S. Giunta, G. Y. Liang, H.E. Mason, P. J. Storey

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Abstract

In this review we summarize the recent calculations and improvements of atomic data that we have carried out for the analysis of astrophysical spectroscopy within the Atomic Processes for Astrophysical Plasmas (APA P) network. We briefly discuss the various methods used for the calculations, and highlight several issues that we have uncovered during such extensive work . We discuss the completeness and accuracy of the cross sections for ionic excitation by electron impact for the main isoelectronic sequences, which we have obtained with large-scale calculations. Given its astrophysical importance, we emphasize the work on iron. Some examples on the significant improvement that has been achieved over previous calculations are provided.

Original language	English
Number of pages	11
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	49
Issue number	9
DOIs	https://doi.org/10.1088/0953-4075/49/9/094001
Publication status	Published - 13 Apr 2016

Keywords

astrophysical spectroscopy
atomic processes
astrophysical plasmas
iron
ionic excitation

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Badnell-etal-JPBAMOP-2016-Atomic-processes-for-astrophysical-plasmaAccepted author manuscript, 163 KB

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title = "Atomic processes for astrophysical plasmas",

abstract = "In this review we summarize the recent calculations and improvements of atomic data that we have carried out for the analysis of astrophysical spectroscopy within the Atomic Processes for Astrophysical Plasmas (APA P) network. We briefly discuss the various methods used for the calculations, and highlight several issues that we have uncovered during such extensive work . We discuss the completeness and accuracy of the cross sections for ionic excitation by electron impact for the main isoelectronic sequences, which we have obtained with large-scale calculations. Given its astrophysical importance, we emphasize the work on iron. Some examples on the significant improvement that has been achieved over previous calculations are provided.",

keywords = "astrophysical spectroscopy, atomic processes, astrophysical plasmas, iron, ionic excitation",

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T1 - Atomic processes for astrophysical plasmas

AU - Badnell, N. R.

AU - Del Zanna, G.

AU - Fernandez Menchero, L.

AU - Giunta, A. S.

AU - Liang, G. Y.

AU - Mason, H.E.

AU - Storey, P. J.

PY - 2016/4/13

Y1 - 2016/4/13

N2 - In this review we summarize the recent calculations and improvements of atomic data that we have carried out for the analysis of astrophysical spectroscopy within the Atomic Processes for Astrophysical Plasmas (APA P) network. We briefly discuss the various methods used for the calculations, and highlight several issues that we have uncovered during such extensive work . We discuss the completeness and accuracy of the cross sections for ionic excitation by electron impact for the main isoelectronic sequences, which we have obtained with large-scale calculations. Given its astrophysical importance, we emphasize the work on iron. Some examples on the significant improvement that has been achieved over previous calculations are provided.

AB - In this review we summarize the recent calculations and improvements of atomic data that we have carried out for the analysis of astrophysical spectroscopy within the Atomic Processes for Astrophysical Plasmas (APA P) network. We briefly discuss the various methods used for the calculations, and highlight several issues that we have uncovered during such extensive work . We discuss the completeness and accuracy of the cross sections for ionic excitation by electron impact for the main isoelectronic sequences, which we have obtained with large-scale calculations. Given its astrophysical importance, we emphasize the work on iron. Some examples on the significant improvement that has been achieved over previous calculations are provided.

KW - astrophysical spectroscopy

KW - atomic processes

KW - astrophysical plasmas

KW - iron

KW - ionic excitation

UR - http://iopscience.iop.org/journal/0953-4075

U2 - 10.1088/0953-4075/49/9/094001

DO - 10.1088/0953-4075/49/9/094001

M3 - Article

SN - 0953-4075

VL - 49

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

IS - 9

ER -

Atomic processes for astrophysical plasmas

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