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Absolute Intensities in the Hydrogen-Chloride Rotation Spectrum

Badger, Richard M. (1927) Absolute Intensities in the Hydrogen-Chloride Rotation Spectrum. Proceedings of the National Academy of Sciences of the United States of America, 13 (6). pp. 408-413. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:BADpnas27

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Abstract

The development of new quantum theories which purport to furnish a means for the prediction of the absolute intensities of spectral lines makes it important to determine these intensities experimentally in such cases as may be theoretically treated. One of these few is the pure rotation spectrum as, for example, that of hydrogen chloride recently determined in absorption by Czerny (1). This spectrum was used by Tolman and Badger (2) in the calculation of integral absorption coefficients, and so for the determination of the experimental Bij's or the probabilities of transition from one energy state of rotation to the next higher in the presence of radiation which may be absorbed. Since, however, this spectrum was investigated with a spectrometer of not very great resolving power, this process may have led to somewhat inaccurate results. In the present article are described new experimental measurements on the same spectrum, and an improved method whereby they are used to determine absolute absorption coefficients.


Item Type:Article
Additional Information:Copyright © 1927 by the National Academy of Sciences. Communicated May 14, 1927. In conclusion we wish to express our indebtedness to the Carnegie Institution of Washington for funds which made this work possible.
Record Number:CaltechAUTHORS:BADpnas27
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BADpnas27
Alternative URL:http://www.pnas.org/content/vol13/issue6/
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10470
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:07 May 2008
Last Modified:14 Nov 2014 19:20

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