Appling, J. R. and White, M. G. and Dubs, R. L. and Dixit, S. N. and McKoy, V. (1987) Circular dichroism in photoelectron angular distributions from two‐color (1+1) REMPI of NO. Journal of Chemical Physics, 87 (12). pp. 6927-6933. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:20120621-110306065
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A detailed experimental and theoretical study of dichroic effects in photoelectron angular distributions is reported for (1+1), two‐color REMPI of NO via the A^ 2Σ^+, v=0 state. Optically aligned A state rotational levels are probed through ionization by circularly polarized light. Resultant photoelectron angular distributions exhibit significant left–right asymmetry, the phase and magnitude of which are shown to be related to the curvature of the excited state M_J distribution. Theoretical calculations involving a full ab initio treatment of the ionization dynamics result in circularly dichroic angular distribution (CDAD) parameters in good agreement with those derived experimentally. Additional effects including hyperfine depolarization and coherence are also discussed in relation to the observed CDAD data.
|Additional Information:||© 1987 American Institute of Physics. Received 13 August 1987; accepted 10 September 1987. The research at the Brookhaven National Laboratory was supported under Contract No. DE-AC02-76CH00016 with the U. S. Department of Energy and by its Division of Chemical Sciences, Office of Basic Energy Sciences. Work at the California Institute of Technology was supported by grants from the National Science Foundation (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 (DE-FG03-87ER60513). R.L.D. and V.M. also acknowledge the use of the resources of the San Diego Super Computer Center, which is supported by the National Science Foundation. Research at Lawrence Livermore National Laboratory was performed under Contract No. W-7405-ENG-48 with the U. S. Department of Energy.|
|Subject Keywords:||PHOTOELECTRON SPECTROSCOPY, ANGULAR DISTRIBUTION, MULTI−PHOTON PROCESSES, PHOTOIONIZATION, NITRIC OXIDE, DICHROISM, ALIGNMENT|
|Classification Code:||PACS: 33.60.+q; 33.80.Rv|
|Official Citation:||Circular dichroism in photoelectron angular distributions from two‐color (1+1) REMPI of NO J. R. Appling, M. G. White, R. L. Dubs, S. N. Dixit, and V. McKoy J. Chem. Phys. 87, 6927 (1987); http://dx.doi.org/10.1063/1.453387|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||22 Jun 2012 15:05|
|Last Modified:||26 Dec 2012 15:21|
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