THE PRESENT STATUS OF MICROWAVE SPECTROSCOPY
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Date
1951
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Ohio State University
Abstract
The status of microwave spectroscopy, developments during the last year, present problems, and some possible future developments will be briefly reviewed. Much of the recent work has been in extending known techniques and theories. About 2000 lines are now reported, and the range of gas absorption techniques has been extended over the wavelength range 0.125 to 20 cm. In most cases the spectra have been analyzed, giving a wide variety of molecular and nuclear information. This mass of new and accurate data calls for improved theories in many areas. Several new effects and techniques have been reported during the last year. Probably the most important single development is the observation of direct quadrupole transitions in liquids and solids. This is not microwave spectroscopy of the usual type, but at least is closely related to it. A number of other recent individual experiments will be mentioned.
Description
Author Institution: Department of Physics, Columbia University