Is CO carbon KVV auger electron emission affected by the photoelectron?

G. Prümper, Hironobu Fukuzawa, D. Rolles, K. Sakai, K. C. Prince, J. R. Harries, Y. Tamenori, N. Berrah, Kiyoshi Ueda

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Angular distributions (ADs) of O+ fragments from C 1s photoexcited CO detected in coincidence with carbon KVV Auger electrons emitted in the horizontal direction were measured at photon energies of 298, 305, 320, and 450 eV. At 450 eV, the ADs are polarization-independent and coincide with the molecular-frame Auger electron angular distribution. All measured ADs can be rationalized as a product of the same molecular-frame Auger electron angular distribution and the axial selectivity in the photoionization process. Thus the interaction between the photoelectron and the Auger electron for the normal Auger decay of CO can be neglected, and the two-step model is a good approximation.

本文言語English
論文番号233202
ジャーナルPhysical Review Letters
101
23
DOI
出版ステータスPublished - 2008 12 5

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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