Rotational spectroscopy of jet-cooled molecular ions and ion complexes |
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| Affiliation: | 1. Centre for Laser, Atomic and Molecular Physics (CLAMS), Department of Physics, University of New Brunswick, 100 Tucker Park Road, Saint John, NB E2L 4L5, Canada;2. I. Physikalisches Institut, Universität zu Köln, 50937 Köln, Germany;3. Max-Planck-Institut für Radioastronomie, 53121 Bonn, Germany;1. Centre for Laser, Atomic and Molecular Sciences, Department of Physics, University of New Brunswick, 100 Tucker Park Road, Saint John, NB, E2L 4L5, Canada;2. Canadian Light Source Inc., University of Saskatchewan, 44 Innovation Blvd, Saskatoon, SK S7N 2V3, Canada;1. Synchrotron SOLEIL, AILES Beamline, L’Orme des Merisiers, Saint-Aubin F-91192, France;2. Monaris, UMR 8233 CNRS-Université Pierre et Marie Curie, 4 Place Jussieu Case 49, 75252 Paris, France;3. Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS-Université de Bourgogne Franche-Comté, 9 avenue Alain Savary, BP 47870, F-21078 Dijon, France |
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| Abstract: | Rotational spectra of the molecular ions HOCO+ and HOCS+, and the ion complexes, D3+Ar and sym-D2H+Ar were observed in a supersonic-jet expansion by using a Fabry-Perot type Fourier-transform microwave spectrometer cooperated with a pulsed discharge nozzle. Ion-formation efficiency for HOCS+ relative to the parent molecule under applied conditions was estimated to be ≈ 10−4. Tunneling splitting in the lowest rotational transition of D3+-Ar was not resolved within the experimental linewidth of ≈ 100 kHz. |
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