Laser-Induced $M 1$ Resonance Spectroscopy of the $1 s 2 p {}^{3}P_{1} - {}^{3}P_{2}$ Fine Structure of ${}^{19}F^{7 +}$

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13 July 1981

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 47 (2) , 87-90
https://doi.org/10.1103/physrevlett.47.87

Abstract

We report the first observation of a laser-induced

M 1

transition in a fast beam. This new method has been applied to a measurement of the

F = \frac{1}{2} - \frac{3}{2}

and

F = \frac{3}{2} - \frac{5}{2}

hyperfine components of the

1 s 2 p {}^{3}P_{1} - {}^{3}P_{2}

fine-structure interval in heliumlike fluorine. The results are 953.60(3) and 961.77(3)

{cm}^{- 1}

, respectively. From these we extract the fine-structure splitting

Δ_{12} = 957.88 (3)

{cm}^{- 1}

.

Keywords

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