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R-process enrichment from a single event in an ancient dwarf galaxy

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  • Alexander P. Ji

    (Massachusetts Institute of Technology
    Joint Institute for Nuclear Astrophysics, Center for the Evolution of the Elements)

  • Anna Frebel

    (Massachusetts Institute of Technology
    Joint Institute for Nuclear Astrophysics, Center for the Evolution of the Elements)

  • Anirudh Chiti

    (Massachusetts Institute of Technology)

  • Joshua D. Simon

    (Observatories of the Carnegie Institution of Washington)

Abstract

It has long been debated whether elements heavier than zinc are formed continually, for example in core-collapse supernovae, or in rare events, such as neutron star mergers; here, studies of element abundances in a local ultrafaint dwarf galaxy provide evidence that these elements are formed during rare yet prolific stellar events.

Suggested Citation

  • Alexander P. Ji & Anna Frebel & Anirudh Chiti & Joshua D. Simon, 2016. "R-process enrichment from a single event in an ancient dwarf galaxy," Nature, Nature, vol. 531(7596), pages 610-613, March.
    • Handle: RePEc:nat:nature:v:531:y:2016:i:7596:d:10.1038_nature17425
    DOI: 10.1038/nature17425
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