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Influence of electromagnetic fields on the dielectronic recombination of Ne7+ and O5+ ions

Böhm, S (author)
Schippers, S (author)
Shi, W (author)
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Muller, A (author)
Djuric, N (author)
Dunn, G.H. (author)
Zong, W (author)
Jelencovic, B (author)
Eklöw, N (author)
Glans, Peter (author)
Mittuniversitetet,Institutionen för teknik, fysik och matematik (-2008)
Schuch, R (author)
Danared, H (author)
Badnell, N.R. (author)
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 (creator_code:org_t)
2001
2001
English.
In: Physica Scripta. Topical Issues. - 0281-1847. ; T92, s. 395-397
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Within a series of measurements of the dielectronic recombination (DR) of lithium-like ions we have determined the enhancement of the recombination rate in the presence of crossed electric and magnetic fields for Ne7+ and O5+ ions. In both cases the electron energy range covers a DR resonances attached to 2s --> 2p(1/2) and 2s --> 2p(3/2) Delta_n = 0 core excitations. For increasing field the enhancement factor first increases linearly with the electric field and then saturates. In order to investigate the field effect on high-n Rydberg states the ion energy in the O5+ experiment was changed from 9.4 MeV/u to 5 MeV/u and 3.26 MeV/u. With the variation of the ion energy the field ionization of Rydberg states in the analyzing magnet is influenced. This enabled us to study the field enhancement for a narrow bandwidth of n-states.

Keyword

MAGNETIC-FIELDS
NATURAL SCIENCES
NATURVETENSKAP

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