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Breakup dynamics and isotope effects in D2H+ and H2D +dissociative recombination

MPG-Autoren
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Strasser,  D.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Lammich,  L.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kreckel,  H.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Lange,  M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Krohn,  S.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Schwalm,  D.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Wolf,  A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Zajfman,  D.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Zitation

Strasser, D., Lammich, L., Kreckel, H., Lange, M., Krohn, S., Schwalm, D., et al. (2004). Breakup dynamics and isotope effects in D2H+ and H2D +dissociative recombination. Physical Review A (Atomic, Molecular, and Optical Physics), 69, 064702 - 1-064702 - 4.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0011-8D05-A
Zusammenfassung
The breakup dynamics of D2H + and H2Df+ following dissociative recombination with low energetic electrons has been studied combining two-dimensional imaging and storage ring techniques. The kinematical correlation between the hydrogen and deuterium atoms produced in the three-body channel was measured. We found that the three particles tend to dissociate with a geometry close to linear, and that the deuterium atom has a large probability to be at the center. The data also show that the remaining average internal excitation energy stored in the rotation of the DH2 + and HD2 + molecules corresponds to a temperature of less than 70 meV, much less than observed for the H3+ and D3 + species previously examined