Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2

X. J. Liu, H. Fukuzawa, T. Teranishi, A. De Fanis, M. Takahashi, H. Yoshida, A. Cassimi, A. Czasch, L. Schmidt, R. Dörner, K. Wang, B. Zimmermann, V. McKoy, I. Koyano, N. Saito, K. Ueda

研究成果: Article査読

24 被引用数 (Scopus)

抄録

We report results of measurements and of Hartree-Fock level calculations of molecular-frame photoelectron angular distributions (MFPADs) for C 1s photoemission from CO2. The agreement between the measured and calculated MFPADs is on average reasonable. The measured MFPADs display a weak but definite asymmetry with respect to the O+ and CO+ fragment ions at certain energies, providing evidence for an overlap of gerade and ungerade final ionic states giving rise to a partial breakdown of the two-step model of core-level photoionization and its subsequent Auger decay.

本文言語English
論文番号083001
ジャーナルPhysical review letters
101
8
DOI
出版ステータスPublished - 2008 8 20

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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