The pure rotational spectrum of KO

Burton, Mark

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https://hdl.handle.net/2142/97110 Copy

Description

Title

The pure rotational spectrum of KO

Author(s)

Burton, Mark

Contributor(s)

• Ziurys, Lucy M.
• Bucchino, Matthew
• Sheridan, Phillip M.
• Russ, Benjamin

Issue Date

2017-06-21

Keyword(s)

Metal containing

Abstract

The pure rotational spectrum of potassium monoxide (KO) has been recorded using millimeter-wave direct absorption spectroscopy. KO was synthesized by the reaction of potassium vapor, produced in a Broida-type oven, with nitrous oxide. No DC discharge was necessary. Eleven rotational transitions belonging to the $^{2}$$Pi$$_{3/2}$ spin-orbit component have been measured and have been fit successfully to a case (c) Hamiltonian. Rotational and lambda-doubling constants for this spin-orbit component have been determined. It has been suggested that the ground electronic state of KO is either $^{2}$$Pi$ (as for LiO and NaO) or $^{2}$$Sigma$ (as for RbO and CsO), both of which lie close in energy. Recent computational studies favor a $^{2}$$Sigma$ ground state. Further measurements of the rotational transitions of the $^{2}$$Pi$$_{1/2}$ spin-orbit component and the $^{2}$$Sigma$ state are currently in progress, as well as the potassium hyperfine structure.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Language

eng

Permalink

http://hdl.handle.net/2142/97110

DOI

https://doi.org/10.15278/isms.2017.WK11

Copyright and License Information

Copyright 2017 Mark Burton

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