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  Absolute rate coefficients for photorecombination and electron-impact ionization of magnesiumlike iron ions from measurements at a heavy-ion storage ring

Bernhardt, D., Becker, A., Grieser, M., Hahn, M., Krantz, C., Lestinsky, M., et al. (2014). Absolute rate coefficients for photorecombination and electron-impact ionization of magnesiumlike iron ions from measurements at a heavy-ion storage ring. Physical Review A, 90(1): 012702. doi:10.1103/PhysRevA.90.012702.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-001A-10A0-3 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-001A-10A2-0
Genre: Journal Article

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http://link.aps.org/doi/10.1103/PhysRevA.90.012702 (Publisher version)
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 Creators:
Bernhardt, D.1, Author
Becker, Arno2, Author           
Grieser, Manfred2, Author           
Hahn, M.3, Author
Krantz, Claude2, Author           
Lestinsky, M.4, Author
Novotný, O.3, Author
Repnow, Roland2, Author           
Savin, D. W.3, Author
Spruck, Kaija1, 2, Author           
Wolf, Andreas2, Author           
Müller, A.1, Author
Schippers, and S.1, Author
Affiliations:
1Institut für Atom und Molekülphysik, Justus-Liebig-Universität Giessen, Leihgesterner Weg 217, D-35392 Giessen, Germany, ou_persistent22              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA, ou_persistent22              
4GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, D-64291 Darmstadt, Germany, ou_persistent22              

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 MPINP: Quantendynamik - Abteilung Blaum
 Abstract: Rate coefficients for photorecombination (PR) and cross sections for electron-impact ionization (EII) of Fe14+, forming Fe13+and Fe15+, respectively, have been measured by employing the electron-ion merged-beams technique at a heavy-ion storage ring. Rate coefficients for PR and EII of Fe14+ ions in a plasma are derived from the experimental measurements. Simple parametrizations of the experimentally derived plasma rate coefficients are provided for use in the modeling of photoionized and collisionally ionized plasmas. In the temperature ranges where Fe14+ is expected to form in such plasmas, the latest theoretical rate coefficients of Altun et al. [Astron. Astrophys. 474, 1051 (2007)] for PR and of Dere [Astron. Astrophys. 466, 771 (2007)] for EII agree with the experimental results to within the experimental uncertainties. Common features in the PR and EII resonance structures are identified and discussed.

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Language(s): eng - English
 Dates: 2014-07-03
 Publication Status: Published online
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.90.012702
 Degree: -

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Title: Physical Review A
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 90 (1) Sequence Number: 012702 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2