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Showing 1–5 of 5 results
Advanced filters: Author: Henrik Cederquist Clear advanced filters

  • The products and dynamics in mutual neutralisation of \({{{{\rm{O}}}}_{2}}^{+}\) with O− occurring in atmospheric sprites are unknown. Here, the authors reveal a dissociative two-step mechanism via intermediate Rydberg states and a dependence on the \({{{{\rm{O}}}}_{2}}^{+}\) vibrational state.

    • Mathias Poline
    • Arnaud Dochain
    • Richard D. Thomas
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • High-precision measurements are useful to find isotopic shifts and electron correlation. Here the authors measure electron affinity and hyperfine splitting of atomic oxygen with higher precision than previous studies.

    • Moa K. Kristiansson
    • Kiattichart Chartkunchand
    • Dag Hanstorp
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • The abundances of small Polycyclic Aromatic Hydrocarbons (PAHs) observed in interstellar clouds has surprised astronomers and confounded astrochemical models. Here, the authors show that fast radiative cooling by Recurrent Fluorescence efficiently stabilizes the small PAH cation 1-cyanonaphthalene.

    • Mark H. Stockett
    • James N. Bull
    • Boxing Zhu
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Ion storage rings allow reactions to be studied over orders of magnitude in time, bridging the gap between typical experimental and astronomical timescales. Here the authors observe that polycyclic aromatic hydrocarbon fragments produced upon collision with He atoms at velocities typical of stellar winds and supernova shockwaves remain intact up to second timescales, thus may play an important role in interstellar chemistry.

    • Michael Gatchell
    • João Ameixa
    • Henning Zettergren
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8