Journal
PHYSICAL REVIEW LETTERS
Volume 104, Issue 15, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.153401
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Funding
- Deutsche Forschungsgemeinschaft
- Helmholtz society [VH-NG-331]
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We show that a single photon can ionize the two helium atoms of the helium dimer in a distance up to 10 angstrom. 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 He-2 provides a direct view of the nuclear wave function of this by far most extended and most diffuse of all naturally existing molecules.
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