MILLIMETER AND SUBMILLIMETER SPECTRUM OF HIGHLY EXCITED STATES OF WATER

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1991

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Ohio State University

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Although only a few transitions of water have significant absorption strengths at ambient temperatures in the millimeter and submillimeter spectral region, a number of additional transitions are observable in more highly excited sources. Perhaps the most significant of these are in astronomical sources, a number of which may be associated with interstellar masers. $^{1}$This is extremely fortunate because although astronomical water sources are ordinarily difficult to observe because of atmospheric attenuation, these highly excited transitions have no systematic relation to the adsorptions in the ambient atmosphere. In this paper we report the observation of a number of such transitions in the ground as well as 010, 020, 100 and 001 vibrations states.

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$^{1}$K. M. Menton, G. J. Melnick, and T. G. Phillips, Ap. J. (Letters) 350, L41 (1990).""
Author Institution: Department of Physics, The Ohio State University; Department of Chemistry, Physical Sciences; Department of Physics, Duke University

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http://hdl.handle.net/1811/12448

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999