POLARIZATION LABELLING SPECTROSCOPY OF $3^{1}\Pi_{u}-X^{1}\Sigma_{g}^{+}$ AND $3{^{1}}\Sigma^{+}_{u}-$ TRANSITIONS IN $K_{2}$.
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Date
1993
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Publisher
Ohio State University
Abstract
Polarization labelling spectroscopy was applied to study excited states of $K_{2}$ lying in the energy range $23800 - 25800 cm^{-1}$ above the bottom of the ground state. The two observed states were identified as $3{^{1}}\Pi_{u}(4^{2}S+5^{2}P)$ and $3^{1}\Sigma^{+}_{u}(4^{2}S+3^{2}D)$. Molecular constants were derived for both states from a Dunham expansion.
Description
Author Institution: Institute of Physics, Polish Academy of Sciences; Institute of Experimental Physics, Warsaw University