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HYPERFINE STRUCTURE OF ROTATION-INVERSION LEVELS IN THE EXCITED $\nu_{2}$ STATE OF AMMONIA

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/13883

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Title: HYPERFINE STRUCTURE OF ROTATION-INVERSION LEVELS IN THE EXCITED $\nu_{2}$ STATE OF AMMONIA
Creators: Belov, S. P.; Winnewisser, G.; Urban, Š.
Issue Date: 1997
Abstract: Hyperfine structures of the rotation-inversion transitions with $J=3-2,s-a$, and $K = 0,1,2$, and with $J=0-1$, a-s, and K = 0 in the excited $\nu_{2}$ vibrational state have been resolved and measured by sub-Doppler saturation spectroscopy using the Cologne terahertz spectrometer with an accuracy of about 1 KHz. The line frequencies of the hyperfine structures of the rotation inversion transitions (at 466,769,742,and 763 GHz) have been simultaneously analyzed with the previously published $\nu_{2}$ transition J=2-1,s-a,K=1 in terms of effective nuclear quadrupole and spin-rotation parameters. In addition to those, the corresponding purely rotation-inversion frequencies deperturbed from the hyperfine effects have been derived.
URI: http://hdl.handle.net/1811/13883
Other Identifiers: 1997-MI-05
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