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Measurement of EUV intercombination transition rates in Be-like ions at a heavy-ion storage ring

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
295
Issue
1
Identifiers
DOI: 10.1016/s0375-9601(02)00135-4
Disciplines
  • Physics

Abstract

Abstract The electric dipole intercombination decay of the 2s2p 3P o 1 level in the Be-like ions N 3+ and O 4+ has been observed with ions circulating in a heavy-ion storage ring. The measurement exploited the sensitivity to extreme-ultraviolet light of a storage ring internal device (MCP) that is normally used only for particle detection. The measured transition probabilities of 500 −65 +90 s −1 for N 3+, and of 2180±70 s −1 for O 4+, corroborate the results of recent calculations and improve the precision with which the isoelectronic trend can be established experimentally.

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