Dielectronic recombination resonances in F6

Electron-ion recombination spectra of the Li-like ion F6+ in the energy range 0.0-0.6 eV from two different ion storage rings are presented, showing excellent agreement. The experimental results are compared with a calculated spectrum, obtained by combination of relativistic many-body methods and co...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2002-07, Vol.66 (1), p.012703/1
Main Authors: Tokman, M, Eklöw, N, Glans, Peter, Lindroth, E, Schuch, R, Gwinner, G, Schwalm, D, Wolf, A, Hoffknecht, A, Muller, A, Schippers, S
Format: Article
Language:English
Subjects:
ATOMS
CROSS-SECTIONS
DOUBLY-EXCITED-STATES
ELECTRON-BEAM
FINITE DISCRETE SPECTRUM
HELIUM
IONS
N4
NATURAL SCIENCES
NATURVETENSKAP
PERTURBATION-THEORY
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Summary:Electron-ion recombination spectra of the Li-like ion F6+ in the energy range 0.0-0.6 eV from two different ion storage rings are presented, showing excellent agreement. The experimental results are compared with a calculated spectrum, obtained by combination of relativistic many-body methods and complex rotation, and the agreement is found to be very good. The recombination spectrum in the studied energy region is determined by the 2p6l dielectronic recombination resonances. The lowest-energy resonances are found around 10 meV, and include one broad resonance overlapping the threshold. The recombination rate coefficients are, even in this region, very well accounted for by the calculation. It is further shown that the nonrelativistically allowed resonances contribute to less than 60% of the integrated rate coefficients in the specified energy range.
ISSN:1050-2947
DOI:10.1103/PhysRevA.66.012703