Cross-Section Ratios for K*+Rb Electronic Excitation Transfer

1 April 1970

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

Vol. 1 (4), 1125-1131
https://doi.org/10.1103/physreva.1.1125

Abstract

Cross-section ratios have been determined for the collisional transfer of electronic energy from the resonance levels of K to those of Rb. The results obtained were

\frac{Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{1}{2}})}{Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{1}{2}})} = 1.1 \pm 0.2

\frac{Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{3}{2}})}{Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{1}{2}})} = 2.2 \pm 0.2

\frac{Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{3}{2}})}{Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{3}{2}})} = 1.0 \pm 0.2

\frac{Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{3}{2}})}{Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{1}{2}})} = 2.2 \pm 0.6

where the errors quoted are purely statistical. Possibilities of systematic errors are discussed. Combined with the absolute cross sections of Ornstein and Zare, these ratios give a complete set of cross-section values, namely,

Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{1}{2}}) = 2.3 \pm 0.6

Q (K {}^{2}P_{\frac{1}{2}} \to Rb {}^{2}P_{\frac{3}{2}}) = 5.3 \pm 0.8

Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{1}{2}}) = 2.5 \pm 0.5

and

Q (K {}^{2}P_{\frac{3}{2}} \to Rb {}^{2}P_{\frac{3}{2}}) = 5.5 \pm 1.2

Keywords

This publication has 4 references indexed in Scilit:

Measured Absolute Cross Sections for K* + Rb Collisional Excitation Transfer
Physical Review B, 1969
Sensitized fluorescence in vapors of alkali metals. XI Energy transfer in potassium–rubidium collisions
Canadian Journal of Physics, 1969
On the transfer of coherence in atomic collisions
Proceedings of the Physical Society, 1967
The polarization of sensitized fluorescence
Proceedings of the Physical Society, 1967

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