arxiv: 1205.0423 · v1 · pith:4GSVLCADnew · submitted 2012-05-02 · ⚛️ physics.chem-ph

Experimental Verification of the Chemical Sensitivity of Two-Site Double Core-Hole States Formed by an X-ray FEL

P. Salen , P. van der Meulen , H. T. Schmidt , R. D. Thomas , M. Larsson , R. Feifel , M. N. Piancastelli , L. Fang

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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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keywords statesx-raychemicalcore-holedoublesensitivityshifttwo-site

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We have performed X-ray two-photon photoelectron spectroscopy (XTPPS) using the Linac Coherent Light Source (LCLS) X-ray free-electron laser (FEL) in order to study double core-hole (DCH) states of CO2, N2O and N2. The experiment verifies the theory behind the chemical sensitivity of two-site (ts) DCH states by comparing a set of small molecules with respect to the energy shift of the tsDCH state and by extracting the relevant parameters from this shift.

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Experimental Verification of the Chemical Sensitivity of Two-Site Double Core-Hole States Formed by an X-ray FEL

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