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OBSERVATION OF NEW INFRARED TRANSITIONS IN SOLID PARAHYDROGEN

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/14163

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Title: OBSERVATION OF NEW INFRARED TRANSITIONS IN SOLID PARAHYDROGEN
Creators: Mengel, M.; Winnewisser, B. P.; Winnewisser, M.
Issue Date: 1997
Abstract: In recent measurements of infrared transitions in solid parahydrogen with low ortho impurities, using an internal multireflection $system^{h}$ for a sample path length of 14 cm, we have detected new weak features in the spectral region $10000-13000 cm^{-1}$. Of particular interest here is the second overtone band of solid hydrogen and double transitions of the type $Q_{2}(J^{\prime}) + Q_{1}(J)(J,J^{\prime} =: 0,1)$ which will be presented. At 10241.07 $cm^{-1}$ the new single transition $W_{2}(0)$ could be observed. We will also present further results of the analysis of our measurements in the first overtone region, especially a theoretical explanation of the intensities in the fine structure of the $Q_{1}(1) + Q_{1}(1)$ double transition. The absorption spectrum in the mid-infrared region (700-2000 $cm^{-1}$) is currently under investigation, and new information in this region will also be presented.
URI: http://hdl.handle.net/1811/14163
Other Identifiers: 1997-WH-04
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