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Phys Rev Lett. 2000 Mar 27;84(13):2826-9. doi: 10.1103/PhysRevLett.84.2826.

Doppler splitting of In-flight auger decay of dissociating oxygen molecules: the localization of delocalized core holes.

Physical review letters

Bjorneholm, Bassler, Ausmees, Hjelte, Feifel, Wang, Miron, Piancastelli, Svensson, Sorensen, Gel'mukhanov, Agren

Affiliations

  1. Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden.

PMID: 11018952 DOI: 10.1103/PhysRevLett.84.2826

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.

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