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Article
Lifetime measurements and transition probability calculations in singly ionized tungsten (WII)
New measurements of radiative lifetimes for 9 levels in singly ionized tungsten (WII) have been performed with the time-resolved laser-induced-fluorescence technique. Transition probabilities have been obtained f...
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Article
Lifetime and transition probability determination in xenon ions
Radiative lifetimes have been calculated for 15 levels of Xe VII belonging to the configurations 5s5p, 5p2, 5s5d, 5s6s, 5p5d, 4f5p, 5p5d and 5s5f and for 4 levels of the 5p and 5d configurations of Xe VIII. A re...
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Article
Decay of metastable states in Nd II
The difficulty associated with an accurate determination of transition rates for forbidden lines in lowly ionized heavy elements is illustrated in the case of Nd II. We have investigated the radiative decay of...
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Article
Radiative lifetime and oscillator strength determinations in potassium ions (K V, K VI and K VII)
Oscillator strengths have been calculated for the transitions depopulating levels of the 3s23p3, 3s3p4 configurations of K V, of the 3s23p2, 3s3p3 configurations of K VI and of the 3s23p, 3s3p2, 3p3 and 3s3p3d co...
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Article
Radiative lifetimes and transition probabilities in Ta I
Radiative lifetimes of 14 odd-parity Ta I levels, belonging to the 5d36s6p and 5d46p configurations in the energy range from 30 664 to 45 256 cm-1, have been measured using the time-resolved laser-induced fluores...
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Article
Radiative lifetime and oscillator strength determination in Mg-like potassium (K VIII)
Theoretical transition probabilities have been obtained for 54 n = 3 transitions depopulating the 3s3p 1Po, 3p2 3P, 1D, 1S, 3s3d 1D, 3D and 3p3d 3Po, 3Do, 3Fo, 1Fo, 1Do, 1Po levels, including 14 transitions not y...
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Article
Level lifetimes in 3p and 3d configurations of Fe XII
Transitions between the five fine-structure levels in the 3s 23p 3 ground configuration of Fe XII (P-like) are of interest in astrophysics and terrestrial plasma diagnostics. The decay rates give rise to level li...
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Article
Experimental and theoretical lifetimes in Yb III
Lifetimes of three levels belonging to the configuration 4f 135d with J = 1 in Yb III have been measured for the first time using the time-resolved laser-induced fluorescence method. Experimental transition proba...