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Abstract of [Dunford12a]

[Dunford12a]
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Evidence for interatomic Coulombic decay in Xe K-shell-vacancy decay of XeF2

R. W. Dunford, S. H. Southworth, D. Ray, E. P. Kanter, B. Krässig, L. Young, D. A. Arms, E. M. Dufresne, D. A. Walko, O. Vendrell, Sang-Kil Son, and R. Santra

Phys. Rev. A 86, 033401 (2012)

[bib][BibTeX][pdf][pdf][link]doi:10.1103/PhysRevA.86.033401

Charge production, charge redistribution, and ion fragmentation are explored in the decay of a Xe K-shell vacancy in XeF2 . Coincidence measurements of all ionic fragments in XeF2 provide evidence that an interatomic-Coulombic-decay-like (ICD-like) process plays a role in the cascade decay. The signature of the ICD-like process is an enhancement of the total number of electrons ejected as compared to the case of atomic Xe. The results indicate that the F atoms participate in the decay cascade within the first few femtoseconds after core-hole formation and that fragmentation begins during the decay process.

Tags: ICD, Xe, XeF2, Auger, Coulomb explosion, x-ray, cancer therapy, Argonne, APS, experiment, XATOM, CFEL, DESY


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