title: Symmetry-forbidden electronic state interference observed in angularly resolved NO+ (A 1Π) deexcitation spectra of the N*O(2σ(-1)2π(2)) resonance.
abstract: Quantum mechanical interference between different pathways in inner-shell resonance excitation-deexcitation spectra is a realization of a double-slit experiment on the atomic scale. If the intermediate inner-shell resonances are of different symmetries, this interference is symmetry forbidden in the solid-angle-averaged or magic-angle-recorded deexcitation spectra. It has, however, been suggested that interference may by observable in off-magic-angle-recorded spectra. Here, we prove this interference in angularly resolved deexcitation spectra of the 2σ(-1)2π(2)(2Δ,2Σ±) resonances of N*O by a quantitative comparison between ab initio calculations and experiment.
authors.affiliation: Institute of Physics and CINSaT, University of Kassel, D-34132 Kassel, Germany. demekhin@physik.uni-kassel.de
authors.forename: Ph V
authors.initials: PV
authors.lastname: Demekhin
authors.forename: I D
authors.initials: ID
authors.lastname: Petrov
authors.forename: V L
authors.initials: VL
authors.lastname: Sukhorukov
authors.forename: W
authors.initials: W
authors.lastname: Kielich
authors.forename: A
authors.initials: A
authors.lastname: Knie
authors.forename: H
authors.initials: H
authors.lastname: Schmoranzer
authors.forename: A
authors.initials: A
authors.lastname: Ehresmann