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Observation of the Efimov state of the helium trimer
Maksim Kunitski, Stefan Zeller, Jörg Voigtsberger +9
Quantum theory dictates that upon weakening the two-body interaction in a three-body system, an infinite number of three-body bound states of a huge spatial extent emerge just befo…
Ion impact induced Interatomic Coulombic Decay in neon and argon dimers
H. -K. Kim, H. Gassert, M. S. Schöffler +16
We investigate the contribution of Interatomic Coulombic Decay induced by ion impact in neon and argon dimers (Ne and Ar) to the production of low energy electrons. Our exp…
Vibrationally Resolved Decay Width of Interatomic Coulombic Decay in HeNe
F. Trinter, J. B. Williams, M. Weller +17
We investigate the ionization of HeNe from below the He 1s3p excitation to the He ionization threshold. We observe HeNe ions with an enhancement by more than a factor of 60 whe…
Single photon double ionization of the helium dimer
T. Havermeier, T. Jahnke, K. Kreidi +16
We show that a single photon can ionize the two helium atoms of the helium dimer in a distance up to 10 °A. The energy sharing among the electrons, the angular distributions of the…
Interatomic Coulombic Decay following Photoionization of the Helium Dimer: Observation of Vibrational Structure
T. Havermeier, T. Jahnke, K. Kreidi +15
Using synchrotron radiation we simultaneously ionize and excite one helium atom of a helium dimer (He_2) in a shakeup process. The populated states of the dimer ion (i.e. He^[*+](n…