We experimentally study 2p photoionization of neon dimers (Ne-2) at a photon energy of hv = 36.56 eV. By postselection of ionization events which lead to a dissociation into Ne+ + Ne we obtain the photoelectron angular emission distribution in the molecular frame. This distribution is symmetric with respect to the direction of the charged vs neutral fragment. It shows an inverted Cohen-Fano double slit interference pattern of two spherical waves emitted coherently but with opposite phases from the two atoms of the dimer.
Delocalization of a Vacancy across Two Neon Atoms Bound by the van der Waals Force / Sann, H., Schober, C., Mhamdi, A., Trinter, F., Müller, C., Semenov, S.K., Stener, M., Waitz, M., Bauer, T., Wallauer, R., Goihl, C., Titze, J., Afaneh, F., Schmidt, L.P.h.H., Kunitski, M., Schmidt Böcking, H., Demekhin, P.h.V., Cherepkov, N.A., Schöffler, M.S., Jahnke, T., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 117:26(2016), pp. 263001.1-263001.5. [10.1103/PhysRevLett.117.263001]
Delocalization of a Vacancy across Two Neon Atoms Bound by the van der Waals Force
STENER, MAURO;
2016-01-01
Abstract
We experimentally study 2p photoionization of neon dimers (Ne-2) at a photon energy of hv = 36.56 eV. By postselection of ionization events which lead to a dissociation into Ne+ + Ne we obtain the photoelectron angular emission distribution in the molecular frame. This distribution is symmetric with respect to the direction of the charged vs neutral fragment. It shows an inverted Cohen-Fano double slit interference pattern of two spherical waves emitted coherently but with opposite phases from the two atoms of the dimer.| File | Dimensione | Formato | |
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PRL117.263001.pdf
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Supplemental_material_Ne2_double_slit.pdf
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