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Communication: Magnetic dipole transitions in the OH A 2Σ+ ← X2Π system

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons21723

Kirste,  Moritz
Molecular Physics, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons22218

Wang,  Xingan
Molecular Physics, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21859

Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21581

Gubbels,  Koos
Molecular Physics, Fritz Haber Institute, Max Planck Society;
Institute of Theoretical Physics, University of Cologne;
Radboud University Nijmegen, Institute for Molecules and Materials;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21858

Meerakker,  Sebastiaan Y. T. van de
Molecular Physics, Fritz Haber Institute, Max Planck Society;
Radboud University Nijmegen, Institute for Molecules and Materials;

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Volltexte (frei zugänglich)

mag_dip_trans_OH.pdf
(beliebiger Volltext), 303KB

1.4751475.pdf
(Verlagsversion), 558KB

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Zitation

Kirste, M., Wang, X., Meijer, G., Gubbels, K., van der Avoird, A., Groenenboom, G. C., et al. (2012). Communication: Magnetic dipole transitions in the OH A 2Σ+ ← X2Π system. Journal of Chemical Physics, 137(10): 101102. doi:10.1063/1.4751475.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-1090-F
Zusammenfassung
We report on the observation of magnetic dipole allowed transitions in the well-characterized A 2Σ+ − X 2Π band system of the OH radical. A Stark decelerator in combination with microwave Rabi spectroscopy is used to control the populations in selected hyperfine levels of both Λ-doublet components of the X 2Π3/2, v = 0, J = 3/2 ground state. Theoretical calculations presented in this Communication predict that the magnetic dipole transitions in the A 2Σ+, v = 1 ← X 2Π, v = 0 band are weaker than the electric dipole transitions by a factor of 2.58 × 103 only, i.e., much less than commonly believed. Our experimental data confirm this prediction.