The visible photoabsorption spectrum of Ar+3

1 July 1988

journal article
research article
Published by AIP Publishing in The Journal of Chemical Physics

Vol. 89 (1) , 71-74
https://doi.org/10.1063/1.455462

Abstract

The photodissociation cross section of Ar⁺₃ was measured at a number of wavelengths between 1064 and 320 nm. A single broad and featureless band was observed peaking near 520 nm with a width of ≈2600 cm⁻¹ and a peak cross section of ≈10⁻¹⁶ cm². Consideration of the electronic structure of Ar⁺₃ indicates that the measured spectrum is equivalent to the photoabsorption spectrum. Two ionic products, Ar⁺ and Ar⁺₂, were observed in the photodissociation of Ar⁺₃, indicative of at least two exit pathways and suggestive of two electronic transitions.

Keywords

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