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          Institute: MPI für Kernphysik     Collection: Spectroscopy and Dynamics of Trapped and Stored Ions     Display Documents



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ID: 266667.0, MPI für Kernphysik / Spectroscopy and Dynamics of Trapped and Stored Ions
EUV intercombination transition rates in Be-like nitrogen and oxygen ions measured at a heavy-ion storage ring
Authors:Träbert, E.; Knystautas, E.; Saathoff, G.; Wolf, A.
Language:English
Date of Publication (YYYY-MM-DD):2005
Title of Journal:Journal of Physics B
Journal Abbrev.:J. Phys. B: At. Mol. Opt. Phys.
Volume:38
Issue / Number:14
Start Page:2395
End Page:2405
Copyright:© Institute of Physics and IOP Publishing Limited
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The electric dipole intercombination decay rate of the 2s2p 3Po1 level in the Be-like ions N3+ and O4+ has been measured with ions circulating in a heavy-ion storage ring. The observation employed three devices in parallel, two different VUV photon detectors and a residual gas recoil ion detector. The measured transition probabilities of (578 ± 3.3) s-1 for N3+ (level lifetime τ = 1.73 ± 0.01 ms) and of (2315 ± 50) s-1 for O4+ (τ = 0.432 ± 0.009 ms), corroborate the results of recent calculations and improve the precision with which the isoelectronic trend can be established.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group D. Schwalm/Atomic and Molecular Physics with Stored Ions (A. Wolf)
External Affiliations:Experimentalphysik III, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
CIVEN, I-30175 Venezia Marghera, Italy
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