Angular distribution measurements for spin-orbit-state-resolved S [Formula Presented] photoelectrons of [Formula Presented] in the shape-resonance region

M. Kitajima, M. Hoshino, M. Okamoto, T. Suzuki, H. Tanaka, Y. Shimizu, Y. Muramatsu, H. Chiba, K. Ueda, T. Hayaishi, M. Simon, M. Kimura

Research output: Contribution to journalArticle

Abstract

The angular distributions of the spin-orbit state resolved S [Formula Presented] photoelectrons of [Formula Presented] have been measured in the vicinity of the shape resonances. Relative partial photoionization cross sections of [Formula Presented] into the (S [Formula Presented] and (S [Formula Presented] states, and the asymmetry parameters of the S [Formula Presented] and S [Formula Presented] photoelectrons are presented. Enhancement of the photoionization cross section into the (S [Formula Presented] state at the (S [Formula Presented] [Formula Presented] resonance has been observed. The excitation photon energy dependence of the asymmetry parameter shows a broad dip at about the photon energies of the resonances. Continuum multiple-scattering calculation of the asymmetry parameters for the (S [Formula Presented] and (S [Formula Presented] states of [Formula Presented] reproduces this behavior.

Original languageEnglish
Number of pages1
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume63
Issue number5
DOIs
Publication statusPublished - 2001 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Kitajima, M., Hoshino, M., Okamoto, M., Suzuki, T., Tanaka, H., Shimizu, Y., Muramatsu, Y., Chiba, H., Ueda, K., Hayaishi, T., Simon, M., & Kimura, M. (2001). Angular distribution measurements for spin-orbit-state-resolved S [Formula Presented] photoelectrons of [Formula Presented] in the shape-resonance region. Physical Review A - Atomic, Molecular, and Optical Physics, 63(5). https://doi.org/10.1103/PhysRevA.63.050703