THE MICROWAVE SPECTRUM OF $CO^{+}$

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1975

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Ohio State University

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The $K = 0 \rightarrow 1$ absorption doublet of $CO^{+}$ has been detected in a glow discharge in carbon monoxide or helium-carbon monoxide. The measured frequencies are 117 692.55 MHz for $J = 1/2 \rightarrow 1/2$ and 118 101.99 MHz for $J = l/2 \rightarrow 3/2$. The original observation used source modulation, an unlocked klystron, and a discharge tube which was cooled to near liquid nitrogen temperature. More recently, we have detected the signal with field spinning Zeeman modulation, a phase locked klystron, and a discharge tube at room temperature. Measurements of the low field Zeeman splittings are consistent with theory to within experimental error.

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Author Institution: Department of Chemistry, University of Wisconsin

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