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Sunday, November 1, 1981
Radiative lifetimes in W I using a novel atomic-beam source
Published at:PHYSICAL REVIEW A,VOLUME 24, NUMBER 5,NOVEMBER 1981
The first direct radiative lifetime measurements in W I are described. Radiative lifetimes of 15 levels from the 5d46s(a 6D)6p(z7D0), 5d46s(a 6D)6p(z 5F 0), 5d5(a 6S)6p(z7P0), and 5d46s(a 6D)6p(z 5P0) terms are reported with an accuracy of ±5%. The lifetimes are measured using time-resolved laser-induced fluorescence and a novel atomic-beam source. This novel hollow cathode effusive beam source produces an intense beam of ground-state W atoms and metastable W atoms.
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Subhi Kamel Saleh

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