High-resolution lamb dip spectroscopy on OD and SiCl in a molecular beam

Meijer, Gerard; Ubachs, Wim; Ter, J.J.; Dymanus, Meulen A.

doi:10.1016/0009-2614(87)87350-5

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High-resolution lamb dip spectroscopy on OD and SiCl in a molecular beam

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Meijer, G., Ubachs, W., Ter, J., & Dymanus, M. A. (1987). High-resolution lamb dip spectroscopy on OD and SiCl in a molecular beam. Chemical Physics Letters, 139(6), 603-611. doi:10.1016/0009-2614(87)87350-5.

Cite as: https://hdl.handle.net/21.11116/0000-000C-226C-5

Abstract

High-resolution Lamb dip spectra of OD and Si³⁵Cl have been observed in a molecular beam. The Lamb dips of OD have a width (fwhm) of 1.5 MHz. For Si³⁵Cl broader Lamb dips were seen; from this broadening the radiative lifetime τ_r=8–10 ns of individual rotational levels of the B ²Σ⁺, v′ =0 state was determined. The hyperfine structure of the rotational transitions could be resolved and explained by the hyperfine splitting of the ground state only.