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Open Access Publications from the University of California

Determination of Interatomic Potentials of He2, Ne2, Ar2, and H2 by Wave Function Imaging

  • Author(s): Zeller, S
  • Kunitski, M
  • Voigtsberger, J
  • Waitz, M
  • Trinter, F
  • Eckart, S
  • Kalinin, A
  • Czasch, A
  • Schmidt, LPH
  • Weber, T
  • Schöffler, M
  • Jahnke, T
  • Dörner, R
  • et al.

© 2018 American Physical Society. We report on a direct method to measure the interatomic potential energy curve of diatomic systems. A cold target recoil ion momentum spectroscopy reaction microscope was used to measure the squares of the vibrational wave functions of H2, He2, Ne2, and Ar2. The Schrödinger equation relates the curvature of the wave function to the potential V(R) and therefore offers a simple but elegant way to extract the shape of the potential.

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