X-ray resonant photoexcitation: linewidths and energies of Kα transitions in highly charged Fe ions

Photoabsorption by and fluorescence of the Kα transitions in highly charged iron ions are essential mechanisms for x-ray radiation transfer in astrophysical environments. We study photoabsorption due to the main Kα transitions in highly charged iron ions from heliumlike to fluorinelike (Fe24+ to Fe1...

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Main Authors: Rudolph, Jan K. (Author) , Bernitt, S. (Author) , Epp, S. W. (Author) , Steinbrügge, R. (Author) , Beilmann, Christian (Author) , Brown, G. V. (Author) , Eberle, S. (Author) , Graf, A. (Author) , Harman, Zoltán (Author) , Hell, N. (Author) , Leutenegger, M. (Author) , Müller, A. (Author) , Schlage, K. (Author) , Wille, H.-C. (Author) , Yavaş, H. (Author) , Ullrich, J. (Author) , Crespo López-Urrutia, José Ramon (Author)
Format: Article (Journal)
Language:English
Published: 5 September 2013
In: Physical review letters
Year: 2013, Volume: 111, Issue: 10, Pages: 1-6
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.103002
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.111.103002
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.111.103002
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Author Notes:J.K. Rudolph, S. Bernitt, S.W. Epp, R. Steinbrügge, C. Beilmann, G.V. Brown, S. Eberle, A. Graf, Z. Harman, N. Hell, M. Leutenegger, A. Müller, K. Schlage, H.-C. Wille, H. Yavaş, J. Ullrich, and J.R. Crespo López-Urrutia
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Summary:Photoabsorption by and fluorescence of the Kα transitions in highly charged iron ions are essential mechanisms for x-ray radiation transfer in astrophysical environments. We study photoabsorption due to the main Kα transitions in highly charged iron ions from heliumlike to fluorinelike (Fe24+ to Fe17+) using monochromatic x rays around 6.6 keV at the PETRA III synchrotron photon source. Natural linewidths were determined with hitherto unattained accuracy. The observed transitions are of particular interest for the understanding of photoexcited plasmas found in x-ray binary stars and active galactic nuclei.
Item Description:Gesehen am 24.01.2022
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.103002