Dubs, Richard L. and Dixit, S. N. and McKoy, V. (1987) (1+ 1) CDAD: A new technique for studying photofragment alignment. Journal of Chemical Physics, 86 (10). pp. 5886-5887. ISSN 0021-9606. doi:10.1063/1.452769. https://resolver.caltech.edu/CaltechAUTHORS:DUBjcp87
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Abstract
We report a new technique for measuring photofragment alignment in the gas phase by observing circular dichroism in photoelectron angular distributions (CDAD). This technique is well suited for determining the gas phase alignment of linear molecules. The experiment involves excitation of the photofragment with linearly polarized light followed by photoionization with left or right circularly polarized light. The difference between the photoelectron angular distributions for these two cases is the CDAD spectrum. By measuring CDAD through two different excitation branches, one can obtain the ground state photofragment alignment A<sup>(2)</sup><sub>0</sub> using a simple analytical formula independent of the photoionization dynamics.
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| Additional Information: | Copyright © 1987 American Institute of Physics. Received 5 January 1987; accepted 27 January 1987. This material is based upon research supported by the National Science Foundation under Grant No. CHE-8521391 and the Air Force Office of Scientific Research under Grant No. 87-0039. One of us (R.L.D.) gratefully acknowledges support through a National Science Foundation Graduate Fellowship. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution 7533. | |||||||||
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| Subject Keywords: | POLYATOMIC MOLECULES, ALIGNMENT, FRAGMENTATION, PHOTOIONIZATION, PHOTODISSOCIATION, CIRCULAR DICHROISM, PHOTOELECTRON SPECTROSCOPY, ANGULAR DISTRIBUTION, GAS PHASE, MOLECULAR FRAGMENTS | |||||||||
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| Issue or Number: | 10 | |||||||||
| DOI: | 10.1063/1.452769 | |||||||||
| Record Number: | CaltechAUTHORS:DUBjcp87 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:DUBjcp87 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 11325 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Archive Administrator | |||||||||
| Deposited On: | 31 Jul 2008 04:51 | |||||||||
| Last Modified: | 08 Nov 2021 21:57 |
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