Spectroscopic rotational characterization of two υ=0 and υ=1 vibrational components of the EΣ(5s6sS) Rydberg state of CdNe van der Waals (vdW) complex has been performed using specially designed approach. In optical-optical double resonance (OODR) process, a selective J-excitation has been realized using the [Formula: see text] P) transition, with υ=0 level of the [Formula: see text] state as an intermediate in the excitation from υ=0 of the [Formula: see text] S) state. As a result, B and B rotational constants have been determined as well as the R equilibrium internuclear separation in the EΣ - state potential well.
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| http://dx.doi.org/10.1016/j.saa.2021.120248 | DOI Listing |
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