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  Dielectronic recombination at low energies: Spectroscopy of doubly excited states in beryllium-like Na7+ ions

Kieslich, S., Böhm, S., Brandau, C., Müller, A., Schippers, S., Shi, W., et al. (2003). Dielectronic recombination at low energies: Spectroscopy of doubly excited states in beryllium-like Na7+ ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 205, 99-101.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-81A4-8 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-81A5-6
Genre: Conference Paper

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 Creators:
Kieslich, S.1, Author
Böhm, S.1, Author
Brandau, C.1, Author
Müller, A.1, Author
Schippers, S.2, Author           
Shi, W.1, Author
Gwinner, G.3, Author           
Schnell, M.3, Author           
Wolf, A.2, Author           
Affiliations:
1Institut für Kernphysik, Justus-Liebig-Universität, Leihgesterner Weg 217, D-35392, Giessen, Germany, ou_persistent22              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546              

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 Abstract: Absolute rate coefficients for the dielectronic recombination (DR) of Na8+ ions producing doubly excited states in beryllium-like Na7+ have been measured at the Heidelberg heavy-ion test storage ring (TSR). The investigated electron energy range covers all DR resonances related to 2s2p1/2 and 2s 2p3/2 Δn=0 core excitations. Resonances related to Δn =1 and Δn=2 transitions of the valence electron are found at relative energies between 50 and 250 eV. At very low energies the resonance group associated with Na7+ (1s2pj7lj') intermediate states has been investigated with an energy resolution and precision that will challenge state-of-the-art theory.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: eDoc: 63095
 Degree: -

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Title: 11th International Conference on the Physics of Highly Charged Ions
Place of Event: Caen
Start-/End Date: 2002-09-01 - 2002-09-06

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Title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Source Genre: Journal
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Pages: - Volume / Issue: 205 Sequence Number: - Start / End Page: 99 - 101 Identifier: -