Experimental n=3 level lifetimes of Na-like heavy ions in the realm of massive relativistic effects

The lifetimes of the 3p 2P° resonance levels and of the 3d 2D levels in Na-like ions Xe 43+ ( Z = 54) and Au 68+ ( Z = 79) have been measured by time-resolved spectroscopy of foil-excited ion beams. This represents a major step beyond the previous data which reached only up to Z=29, into the range w...

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Bibliographic Details
Published in:Physics letters. A 1994-05, Vol.188 (4), p.355-360
Main Authors: Träbert, E., Doerfert, J., Granzow, J., Büttner, R., Staude, U., Schartner, K.H., Rymuza, P., Mokler, P.H., Engström, L., Hutton, R.
Format: Article
Language:English
Subjects:
Absolute and relative intensities
Atomic and molecular physics
Atomic properties and interactions with photons
Exact sciences and technology
Intensities and shapes of atomic spectral lines
Physics
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Summary:The lifetimes of the 3p 2P° resonance levels and of the 3d 2D levels in Na-like ions Xe 43+ ( Z = 54) and Au 68+ ( Z = 79) have been measured by time-resolved spectroscopy of foil-excited ion beams. This represents a major step beyond the previous data which reached only up to Z=29, into the range with massive relativistic effects. The results corroborate the lifetimes predicted by very recent calculations of the atomic structure which also reproduce the experimental transition wavelengths.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(94)90475-8