Experimental verification of the chemical sensitivity of two-site double core-hole states formed by an x-ray free-electron laser

P. Salén, P. Van Der Meulen, H. T. Schmidt, R. D. Thomas, M. Larsson, R. Feifel, M. N. Piancastelli, L. Fang, B. Murphy, T. Osipov, N. Berrah, E. Kukk, K. Ueda, J. D. Bozek, C. Bostedt, S. Wada, R. Richter, V. Feyer, K. C. Prince

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96 Citations (Scopus)

Abstract

We have performed x-ray two-photon photoelectron spectroscopy using the Linac Coherent Light Source x-ray free-electron laser in order to study double core-hole (DCH) states of CO 2, N 2O, and N 2. The experiment verifies the theory behind the chemical sensitivity of two-site DCH states by comparing a set of small molecules with respect to the energy shift of the two-site DCH state and by extracting the relevant parameters from this shift.

Original languageEnglish
Article number153003
JournalPhysical review letters
Volume108
Issue number15
DOIs
Publication statusPublished - 2012 Apr 13

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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