Abstract
Sub-Doppler optical-optical double resonance polarization spectroscopy is applied to study highly excited states of NaK molecule. New three1Δ states and two1Σ+ states are identified and the molecular constants are determined. Transitions from rotationally energy transferred levels are observed, and this indicates the strong conservation ofM J through the energy transfer by collisions. The linewidths are found to increase with ΔJ, and this implies that the velocity vector approaches to the thermal distribution as ΔJ increases.
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Dedicated to Professor István Kovács on his eightieth birthday
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Kasahara, S., Ikoma, H. & Katô, H. Sub-Doppler optical-optical double resonance polarization spectroscopy and collisional energy transfer. Acta Physica Hungarica 74, 329–339 (1994). https://doi.org/10.1007/BF03156405
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DOI: https://doi.org/10.1007/BF03156405