Detection of the Infrared Fundamental Band of ${HeH}^{+}$

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4 January 1982

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

Vol. 48 (1) , 20-22
https://doi.org/10.1103/physrevlett.48.20

Abstract

Nine vibration-rotation transitions of the fundamental band of

{HeH}^{+}

have been observed in absorption by using a tunable, infrared, difference-frequency laser source. The molecular constants for the

v = 0

and

v = 1

levels of the

X {}^{1}Σ^{+}

state have been determined and they agree very will with those derived from the ab initio calculation of Bishop and Cheung.

Keywords

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