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Published September 15, 1992 | Version Published
Journal Article Open

Rotationally resolved photoelectron spectra in resonance enhanced multiphoton ionization of H_2O via the C ^1B_1 Rydberg state

Creators

  • 1. ROR icon California Institute of Technology
  • 2. ROR icon Federal University of São Carlos

Abstract

In this paper, we extend a previous formulation of molecular resonance enhanced multiphoton ionization (REMPI) photoelectron spectra of diatomic molecules to treat rotationally resolved photoionization of nonlinear polyatomic molecules. Useful parity selection rules, which govern changes of angular momenta ΔK_a and ΔK_c, are also derived. As an example, we use this formulation to study rotational branching ratios and photoelectron angular distributions resulting from (3+1') REMPI of H_2O via the C ^1B_1 (3pa_1) Rydberg state. Cooper minima are predicted to occur in the d wave (l=2) of the ka_1 (λ=0) and kb_1 (λ=1) photoelectron continua. The effects of these Cooper minima on rotationally resolved photoelectron spectra are also investigated.

Additional Information

© 1992 American Institute of Physics. (Received 27 April 1992; accepted 3 June 1992) This work was supported by grants from the National Science Foundation, Air Force Office of Scientific Research, and the Office of Health and Environmental Research of the U.S. Department of Energy. We also acknowledge use of resources of the Jet Propulsion Laboratory/Caltech CRAY Y-MP2E/116 Supercomputer. One of us (M. T. L.) thanks the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, Brazil) for financial support.

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Additional details

Additional titles

Alternative title
Rotationally resolved photoelectron spectra in resonance enhanced multiphoton ionization of H2O via the C 1B1 Rydberg state

Identifiers

Eprint ID
61667
Resolver ID
CaltechAUTHORS:20151028-114737802

Funding

NSF
Air Force Office of Scientific Research (AFOSR)
Department of Energy (DOE)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Dates

Created
2015-10-30
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Updated
2021-11-10
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Caltech Custom Metadata

Other Numbering System Name
Caltech Arthur Amos Noyes Laboratory of Chemical Physics
Other Numbering System Identifier
8620