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Study of the spectrum of the Kr-CO weakly bound molecular complex in the millimeter-wavelength range |
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| Authors: | A. A. Dolgov V. A. Panfilov A. V. Potapov L. A. Surin |
| Affiliation: | 1. Institute for Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow oblast, 142190, Russia 2. Moscow Institute of Physics and Technology (State University), Dolgoprudnyi, Moscow oblast, 141700, Russia 3. I. Physikalisches Institut, Universit?t zu K?ln, 50937, Cologne, Germany |
| Abstract: | The rotational spectrum of the weakly bound Kr-CO molecular complex formed in a pulsed molecular jet has been measured in the frequency range 112?C150 GHz on an intracavity orotron-based spectrometer. The measured b-type transitions include the R branch of the band K = 1-0 with the rotational numbers J from 16 to 25 and the P branch of the band K = 2-1 with the rotational numbers J from 13 to 17. For the K = 1-0 band, we succeeded in recording transitions in complexes that consist of all stable Kr isotopes, i.e., 84Kr-CO, 86Kr-CO, 82Kr-CO, 83Kr-CO, and 80Kr-CO. For the K = 2-1 band, we observed transitions in the two most abundant isotopologues, 84Kr-CO and 86Kr-CO. The obtained data were used to determine the rotational and centrifugal constants of the Kr-CO complex. |
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