Molecular-frame (e,2e) experiment for N2 at large momentum transfer

Darryl Jones, M Yamazaki, N Watanabe, M Takahashi

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    Abstract

    We report molecular-frame (e,2e) cross sections for N2 at large momentum transfer, obtained using the electron-electron-fragment ion triple-coincidence technique. The measured angular distribution of the (e,2e) cross section for the inner-valence 2σg orbital appears to show that the spatial character of the orbital has been directly observed in momentum space. On the other hand, experimental results for ionization to states above the double-ionization threshold suggested a larger intensity in the direction perpendicular to the molecular axis rather than parallel, an observation that our plane-wave impulse-approximation calculations fail to reproduce.

    Original languageEnglish
    Article number022714
    Pages (from-to)022714
    Number of pages5
    JournalPhysical Review A
    Volume87
    Issue number2
    DOIs
    Publication statusPublished - 27 Feb 2013

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    Jones, D., Yamazaki, M., Watanabe, N., & Takahashi, M. (2013). Molecular-frame (e,2e) experiment for N2 at large momentum transfer. Physical Review A, 87(2), 022714. [022714]. https://doi.org/10.1103/PhysRevA.87.022714