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Showing 1–6 of 6 results
Advanced filters: Author: Z. Elekes Clear advanced filters

  • Observation of 28O and 27O through their decay into 24O and four and three neutrons, respectively, is reported, with the 28O nucleus being of particular interest owing to proton and neutron magic numbers and its extremely asymmetric neutron-to-proton ratio.

    • Y. Kondo
    • N. L. Achouri
    • S. Yoshida
    ResearchOpen Access
    Nature
    Volume: 620, P: 965-970

  • Isotopic analyses of stardust have yet to single out a specific stellar origin for it. A revision of the proton-capture rate of 17O has helped to identify intermediate mass stars (4–8 solar masses) as the source of a large fraction of meteoritic stardust.

    • M. Lugaro
    • A. I. Karakas
    • D. Trezzi
    Research
    Nature Astronomy
    Volume: 1, P: 1-5

  • High-precision cross-sections of the nuclear reaction that burns deuterium to create helium-3 are used to produce theoretical estimates of the primordial baryon density that are in agreement with recent astronomical observations.

    • V. Mossa
    • K. Stöckel
    • S. Zavatarelli
    Research
    Nature
    Volume: 587, P: 210-213

  • Experiment based on knocking out an alpha particle from a high-energy helium isotope shows a resonance-like structure that is consistent with a quasi-bound tetraneutron state existing for a very short time.

    • M. Duer
    • T. Aumann
    • M. V. Zhukov
    ResearchOpen Access
    Nature
    Volume: 606, P: 678-682