Experimental Investigation of Radiative Decay Rates of Metastable Levels in Eu II

The radiative lifetimes of the metastable a 9DJ (J = 2-5) levels in Eu II have been measured by laser probing of a stored ion beam. The lifetimes of all four J levels are slightly above 1 s. A deviation from the expected energy dependence of the decay rates for electric quadrupole transitions is obs...

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Veröffentlicht in:	Physica scripta 2001-09, Vol.64 (3), p.237-244
Hauptverfasser:	Rostohar, D, Andersson, K, Derkatch, A, Hartman, H, Mannervik, S, Norlin, L-O, Royen, P, Schmitt, A, Tordoir, X
Format:	Artikel
Sprache:	eng
Schlagworte:	32.50.Cs Astronomi, astrofysik och kosmologi Astronomy, Astrophysics and Cosmology Fysik Natural Sciences Naturvetenskap Physical Sciences
Online-Zugang:	Volltext
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Zusammenfassung:	The radiative lifetimes of the metastable a 9DJ (J = 2-5) levels in Eu II have been measured by laser probing of a stored ion beam. The lifetimes of all four J levels are slightly above 1 s. A deviation from the expected energy dependence of the decay rates for electric quadrupole transitions is observed and discussed.
ISSN:	1402-4896 0031-8949 1402-4896
DOI:	10.1238/Physica.Regular.064a00237