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Updated: May 11, 2026

Thermochemical Studies of Ni(II) and Zn(II) Ternary Complexes Using Ion Mobility-Mass Spectrometry
Published on: June 8, 2022
Differential scattering cross-sections for the different product vibrational States in the ion-molecule reaction
1Center for Free-Electron Laser Science, DESY, Notke-Strasse 85, 22706 Hamburg, Germany.
Abstract:
The charge transfer reaction Ar(+)+N(2)→Ar+N(2)(+) has been investigated in a crossed-beam experiment in combination with three-dimensional velocity map imaging. Angular-differential state-to-state cross sections were determined as a function of the collision energy. We found that scattering into the first excited vibrational level dominates as expected, but only for scattering in the forward direction. Higher vibrational excitations up to v'=6 have been observed for larger scattering angles. For decreasing collision energy, scattering into higher scattering angles becomes increasingly important for all kinematically allowed quantum states. Our detailed measurements indicate that a quantitative agreement between experiment and theory for this basic ion-molecule reaction now comes within reach.
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