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Origin of the low energy resonance in the double photoionization of pyrene and coronene, and its absence in the double photoionization of corannulene
Ralf Wehlitz, David L. Huber
The low energy resonance in the double photoionization of the aromatic hydrocarbons pyrene (CH) and coronene (CH) is investigated theoretically using an…
Inner-shell photoionization and core-hole decay of Xe and XeF
Stephen H. Southworth, Ralf Wehlitz, Antonio Picón +3
Photoionization cross sections and partial ion yields of Xe and XeF from Xe 3d, Xe 3d, and F 1s subshells in the 660--740 eV range are compared to explore effec…
New Window Resonances in the Potassium 3s Photoabsorption Spectrum
M. Koide, F. Koike, R. Wehlitz +7
The photoion spectrum of atomic potassium was measured over the 3s -> np excitation region with the photoion time-of-flight method and monochromatized synchrotron radiation. An unu…
Electric-octupole and pure-electric-quadrupole effects in soft-x-ray photoemission
A. Derevianko, O. Hemmers, S. Oblad +7
Second-order [O(k^2), k=omega/c] nondipole effects in soft-x-ray photoemission are demonstrated via an experimental and theoretical study of angular distributions of neon valence p…