✍ Scribed by W. Demtröder; F. Paech; R. Schmiedl
No coin nor oath required. For personal study only.
The absorption spectrum of NO1 has been recorded within the tuning range (7 GHz) of the single-mode argon kser tine A = 5 145 A. Using a well collimated NO2 molecular beam it was possible to resolve the bfs splitting and to determine for several transitions the hfs splitting in the excited B2 state.
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The J Å 1-0 rotational transition of 14 NF 3 has been measured at high resolution in a pulsed jet Fourier transform microwave spectrometer. The transition is split into three major components due to the nuclear quadrupole coupling constant of the 14 N nucleus; these in turn are further split into hy
The analysis of measured hyperfime splittings in the 'El2 -%'A, spectrum of NOa shows that the major cause of the observed hfs splittings in the excited 'Bz state is vibronic coupling between a single level 01 thc'B2 state and many high lying vibrational levels of the z\*A, ground state. Only a mino
Very high resolution measurements of hyperfinc structure on the P(l3) and R(15). 43--O, '11o+ -'xi transitions in iodine 127 were tnade using laser molecular beam spectroscopy. The observed linewidth was 30tkHz (fwhm) giving a resolution of 5 X lo-'o. The observed spectrum was fitted to obtain a qua
The Zpa, u=O, N=2-lsa, v= 18, N=3 transition in Hz hasbeen observed at 156632.8 MHz. This transition shows a cbaracteristic structure which we assign in terms of hyperfine, fme and electronic g/u symmetry-breaking effects.