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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



  history
ID: 475210.0, Fritz-Haber-Institut / Molecular Physics
Single Photon Double Ionization of the Helium Dimer
Authors:Havermeier, T.; Jahnke, T.; Kreidi, K; Wallauer, R; Voss, S; Schöffler, M; Schössler, S; Foucar, L; Neumann, N; Titze, J; Sann, H; Kühnel, M.; Voigtsberger, J.; Malakzadeh, A.; Sisourat, N.; Schöllkopf, Wieland; Schmidt-Böcking, H.; Grisenti, R. E.; Dörner, R.
Language:English
Date of Publication (YYYY-MM-DD):2010-04-16
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:104
Start Page:153401-1
End Page:153401-4
Copyright:2010 The American Physical Society
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We show that a single photon can ionize the two helium atoms of the helium dimer in a distance up to 10 Å. The energy sharing among the electrons, the angular distributions of the ions and electrons, as well as comparison with electron impact data for helium atoms suggest a knockoff type double ionization process. The Coulomb explosion imaging of He₂ provides a direct view of the nuclear wave function of this by far most extended and most diffuse of all naturally existing molecules.
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:Institut für Kernphysik, J.W. Goethe Universität, Max-von-Laue-Straße 1, 60438 Frankfurt, Germany;
Instituto de Estructura de la Materia, CSIC Serrano 121, 28006 Madrid, Spain;
GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany
Identifiers:URL:http://link.aps.org/doi/10.1103/PhysRevLett.104.15... [only subscriber]
DOI:10.1103/PhysRevLett.104.153401 [only subscriber]
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