Research Papers in Physics and Astronomy

 

Date of this Version

July 1991

Comments

Published by American Physical Society. Phys. Rev. A 44, 324 (1991). http://pra.aps.org. Copyright © 1991 American Physical Society. Permission to use.

Abstract

Angular-distribution asymmetry parameters for photoelectrons produced by two-photon ionization of the Ar atom and two-photon detachment of the F- ion are calculated for photon energies below the thresholds for single-photon ionization and single-photon detachment, respectively. Effects of electron correlations are included by perturbative methods. Good agreement is obtained between our results and those of a recent experimental angular-distribution measurement of two-photon detachment of the F- ion at λ=532 nm [C. Blondel, M. Crance, C. Delsart, and A. Giraud (unpublished)].

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