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Showing 1–9 of 9 results
Advanced filters: Author: Henning Zettergren 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

  • The mutual neutralization of hydronium and hydroxide ions is a reaction of fundamental interest that has recently been implicated in the generation of high concentrations of hydroxyl radicals at the surface of water microdroplets. Using three-dimensional imaging of the coincident neutral products of the reaction of D3O+ and OD−, two competing pathways for OH radical formation have now been experimentally observed.

    • Alon Bogot
    • Mathias Poline
    • Daniel Strasser
    Research
    Nature Chemistry
    Volume: 17, P: 541-546

  • 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

  • Known genetic loci account for only a fraction of the genetic contribution to Alzheimer’s disease. Here, the authors have performed a large genome-wide meta-analysis comprising 409,435 individuals to discover 6 new loci and demonstrate the efficacy of an Alzheimer’s disease polygenic risk score.

    • Itziar de Rojas
    • Sonia Moreno-Grau
    • Agustín Ruiz
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-16

  • Emerging experimental techniques combined with theoretical advances allow unprecedented studies of the dynamics of gas phase molecules and clusters induced in interactions with photons, electrons, or heavy particles. Here, the authors highlight recent advances, key open questions, and challenges in this field of research with focus on experimental studies of dynamics of ions stored on millisecond timescales and beyond, and its applications in astrochemistry and astronomy.

    • Michael Gatchell
    • Henning Zettergren
    Comments & OpinionOpen Access
    Communications Chemistry
    Volume: 5, P: 1-4