The 41Σ+ electronic state of LiCs molecule
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The 41Σ+ state of LiCs molecule is observed experimentally for the first time. The inverted perturbation approach (IPA) method is used to derive the potential energy curve of the state from the measured spectra. The experiment is accompanied by theoretical calculations of adiabatic potentials for excited states in LiCs including 41Σ+, performed with the MOLPRO program package. The irregular shape of the 41Σ+ state potential predicted by theory is confirmed in the experiment.
KeywordsEuropean Physical Journal Special Topic Potential Energy Curve Adiabatic Potential Ground State Level Lower Vibrational Level
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