Doppler splitting of in-flight auger decay of dissociating oxygen molecules: The localization of delocalized core holes

O. Björneholm, M. Bässler, A. Ausmees, I. Hjelte, R. Feifel, H. Wang, C. Miron, M. N. Piancastelli, S. Svensson, S. L. Sorensen, F. Gel'mukhanov, H. Ågren

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121 Citations (SciVal)

Abstract

By exploiting the core-excitation-induced dissociation of O2, we find that the Auger emission exhibits a Doppler-like energy shift. We show this to be a manifestation of localization of the core hole and propose that the problem of core-hole localization versus delocalization in core-hole spectroscopies may be resolved by considering the nature of the measurement.

Original languageEnglish
Article number2826
JournalPhysical Review Letters
Volume84
Issue number13
DOIs
Publication statusPublished - 2000 Mar 27

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