Radiative lifetimes of the 4d5 (a6S)5pz 7Po levels and the 4d5 (a6S)5p z 5P0 levels in Mol are reported as follows: r (z 7P04) = 15.9 ns, r (z 7 P03) = 17.0 ns, r (z 7 P02) = 17.1 ns, r (z5 P03) = 22.3 ns, -r (z5 P02) = 22.1 ns, and r (z 5 P01) = 21.7 ns (±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 Mo atoms and metastable Mo atoms. Our measurements on the z 7 P0 levels are in agreement with earlier lifetime measurements. Our measurements on the z 5 P0 levels are the first direct radiative lifetime measurements of these levels; the z 5 P0 measurements are of particular interest because the a5S->z 5P0 multiplet is used to determine the solar abundance of Mo.

Title

PHYSICS LETTER,Volume 83 A, number 5, 1, Pages 214–216, June 1981

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Publisher Country

Palestine

Publication Type

Both (Printed and Online)

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Year

1981

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