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SUBMILLIMETER LASER STARK SPECTROSCOPY IN NEARLY PROLATE, $\mu_{b}$ TYPE MOLECULES $SO_{2}$ AND FHC-CHF

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/11085

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Title: SUBMILLIMETER LASER STARK SPECTROSCOPY IN NEARLY PROLATE, $\mu_{b}$ TYPE MOLECULES $SO_{2}$ AND FHC-CHF
Creators: Haserot, L. S.; Johnston, L. H.; Raju, S. R.; Sudhakaran, G. R.
Issue Date: 1979
Abstract: The Stark effect in sulfur dioxide and 1,2-difluoroethene has been studied using the 890,761 CHz HCN laser. Both molecules are nearly prolate, with their dipole moment along the b axis. Both molecules show similar Stark effect with low M lines crowded together at the low field region, and start to spread out as M and the field increase. The observed Stark spectrum in both molecules can be fit into a relation of the type $1/E^{2} = A+BM^{2}$ with B negative. Furthermore for both molecules spectra for $sigma$; and $\pi$ polarizations start at the same field. In $SO_{2}$ the spectrum starts at 3.570 $\times 10^{4}$ v/cm with $|\Delta J| = 1$ and with transition frequency below the laser. By counting the number of lines, we assign a lower limit on J as 17. In 1,2-difluoroethene, one spectrum starts at $1.293 \times 10^{4}$ v/cm and another at $1.990 \times 10^{4}$ v/cm, Both belong to $|\Delta J| = 1$ transition with their transition frequencies below the laser. For the spectrum which starts at lower field we assign a lower limit on J as 35 and for the other lower limit on J is 32.
URI: http://hdl.handle.net/1811/11085
Other Identifiers: 1979-WA-12
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