Dubs, Richard L. and McKoy, Vincent (1989) Molecular alignment from circular dichroic photoelectron angular distributions in (n+1) resonance enhanced multiphoton ionization. Journal of Chemical Physics, 91 (9). pp. 5208-5211. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:DUBjcp89
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The theory for determination of molecular alignment from circular dichroism in photoelectron angular distributions is generalized to treat the case in which the excitation polarization direction and the laboratory z axis do not coincide. A new method of data analysis is presented here. Alignment created by surface scattering or photofragmentation should be obtainable by these procedures. For studies of orientation with elliptically polarized excitation, differential cross sections at a given collection angle are found to be, to a good approximation, independent of excited-state alignment. Orientation can thus be obtained from differential cross sections by the methods developed by Kummel, Sitz, and Zare [J. Chem. Phys. 88, 6707 (1988)].
|Additional Information:||Copyright © 1989 American Institute of Physics. Received 22 May 1989; accepted 5 July 1989. One of us (R.L.D.) gratefully acknowledges support under a National Research Council Resident Research Associateship. This work was supported by the National Science Foundation (Grant No. CHE-8521391), Air Force Office of Scientific Research (Contract No. 87-0039), and the Office of Health and Environmental Research of the U.S. Department of Energy.|
|Subject Keywords:||ALIGNMENT, DICHROISM, PHOTOELECTRON SPECTROSCOPY, ANGULAR DISTRIBUTION, RESONANCE, MULTI−PHOTON PROCESSES, PHOTOIONIZATION, ORIENTATION, DATA ANALYSIS, EXCITED STATES, POLYATOMIC MOLECULES|
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|Deposited On:||31 Oct 2008 00:38|
|Last Modified:||26 Dec 2012 10:29|
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