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  X-Ray Resonant Photoexcitation: Linewidths and Energies of Kα Transitions in Highly Charged Fe Ions

Rudolph, J. K., Bernitt, S., Epp, S. W., Steinbrügge, R. F., Beilmann, C., Brown, G. V., et al. (2013). X-Ray Resonant Photoexcitation: Linewidths and Energies of Kα Transitions in Highly Charged Fe Ions. Physical Review Letters, 111(10): 103002, pp. 1-6. doi:10.1103/PhysRevLett.111.103002.

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1306.4348.pdf (Preprint), 544KB
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Rudolph, Jan K.1, Author           
Bernitt, S.1, Author           
Epp, S. W.2, Author
Steinbrügge, René Friedrich1, Author           
Beilmann, C.1, 3, Author           
Brown, G. V.4, Author
Eberle, Sita1, Author           
Graf, A.4, Author
Harman, Zoltan5, 6, Author           
Hell, N.4, 7, Author
Leutenegger, M.8, 9, Author
Müller, A.10, Author
Schlage, K.11, Author
Wille, H. -C.11, Author
Yavas, H.11, Author
Ullrich, Joachim H.1, Author           
Crespo López-Urrutia, José Ramón1, Author           
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
2Max Planck Advanced Study Group, CFEL, Notkestraße 85, 22607 Hamburg, Germany, ou_persistent22              
3Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany, ou_persistent22              
4Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA, ou_persistent22              
5Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society, ou_904546              
6ExtreMe Matter Institute (EMMI), Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
7Dr. Karl Remeis-Observatory and ECAP, Universität Erlangen Nürnberg, Sternwartstraße 7, 96049 Bamberg, Germany, ou_persistent22              
8NASA/Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, USA, ou_persistent22              
9Center for Space Sciences and Technology, University of Maryland, Baltimore County, Baltimore, Maryland 21250, USA, ou_persistent22              
10Institut für Atom- und Molekülphysik, Justus-Liebig-Universität Gießen, Leihgesterner Weg 217, 35392 Gießen, Germany, ou_persistent22              
11Deutsches Elektronen-Synchrotron (PETRA III), Notkestraße 85, 22607 Hamburg, Germany, ou_persistent22              

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Free keywords: Physics, Atomic Physics, physics.atom-ph
 Abstract: Photoabsorption by and fluorescence of the K{\alpha} transitions in highly charged iron ions are essential mechanisms for X-ray radiation transfer in astrophysical environments. We study photoabsorption due to the main K{\alpha} transitions in highly charged iron ions from heliumlike to fluorinelike (Fe 24+...17+) 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 binaries and active galactic nuclei.

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 Dates: 2013-06-182013-07-252013-09-05
 Publication Status: Published online
 Pages: Revised version
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Title: Physical Review Letters
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 111 (10) Sequence Number: 103002 Start / End Page: 1 - 6 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1