Lifetimes and Alignment Depolarization Cross Sections of the $(4 p^{5} 5 p) {}^{1}{D^{'}}_{2}$ and ${}^{3}D_{3}$ Levels in Krypton

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1 October 1973

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

Vol. 8 (4) , 1868-1872
https://doi.org/10.1103/physreva.8.1868

Abstract

The radiative lifetimes and alignment depolarization cross sections due to collisions with ground-state atoms of the

(4 p^{5} 5 p) {}^{1}{D^{'}}_{2}

and

{}^{3}D_{3}

levels in Kr have been measured by the Hanle-effect method. Our results are

τ ({}^{1}D_{2}^{'}) = 3.02 (31) \times 10^{- 8}

sec,

τ ({}^{3}D_{3}) = 2.81 (25) \times 10^{- 8}

sec,

{\bar{σ}}_{2} ({}^{1}D_{2}^{'}) = 4.49 (32) \times 10^{- 14}

{cm}^{2}

, and

{\bar{σ}}_{2} ({}^{3}D_{3}) = 4.79 (27) \times 10^{- 14}

{cm}^{2}

. The cross sections were measured at

T = 292 (6)

°K.

Keywords

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