Abstract
SynopsisThe spectator resonant interatomic Coulombic decay (SRICD) following the 2s →5p excitation of Ne dimers has been examined experimentally and theoretically. The molecular frame angular distributions (MFADs) of the SRICD electrons depend strongly on the direction of the polarization vector of the exciting photon with respect to the molecular axis. We demonstrate that this effect is caused by the scattering of the low-energy SRICD electron on the density of the spectator electron.
Highlights
Synopsis The spectator resonant interatomic Coulombic decay (SRICD) following the 2s−→5p excitation of Ne dimers has been examined experimentally and theoretically
The molecular frame angular distributions (MFADs) of the SRICD electrons depend strongly on the direction of the polarization vector of the exciting photon with respect to the molecular axis. We demonstrate that this effect is caused by the scattering of the low-energy SRICD electron on the density of the spectator electron
This approximation is known as the two-step model [1], in which the electron emitted by the Auger decay is not influenced by the initial excitation or ionization process [2]
Summary
Synopsis The spectator resonant interatomic Coulombic decay (SRICD) following the 2s−→5p excitation of Ne dimers has been examined experimentally and theoretically. A Mhamdi1 ∗, J Rist2, D Asliturk2, M Weller2, N Melzer2, D Trabert2, M Kircher2, I Vela-Perez2, J Siebert2, S Eckart2, S Grundmann2, G Kastirke2, M Waitz2, A Khan2, M S Schoffler2, F Trinter3,4, R Dorner2, T Jahnke2 and Ph V Demekhin1 † W. Goethe-Universitat, Frankfurt am Main, 60438, Germany 3Deutsches Elektronen-Synchrotron (DESY), FS-PETRA-S, Hamburg, 22607, Germany 4Fritz-Haber-Institut der Max-Planck-Gesellschaft, Molecular Physics, Berlin, 14195, Germany
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