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Title:THE PURE ROTATIONAL SPECTRUM OF KO
Author(s):Burton, Mark
Contributor(s):Ziurys, Lucy M.; Bucchino, Matthew; Sheridan, Phillip M.; Russ, Benjamin
Subject(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.
Issue Date:6/21/2017
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/97110
DOI:10.15278/isms.2017.WK11
Date Available in IDEALS:2017-07-27


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