129 I and 247 Cm in meteorites constrain the last astrophysical source of solar r-process elements-Reference-Cited by-同舟云学术

129 I and 247 Cm in meteorites constrain the last astrophysical source of solar r-process elements

Published:2021-02-26 Issue:6532 Volume:371 Page:945-948
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Côté Benoit¹²³^ORCID,Eichler Marius⁴^ORCID,Yagüe López Andrés¹^ORCID,Vassh Nicole⁵^ORCID,Mumpower Matthew R.⁶⁷^ORCID,Világos Blanka¹²^ORCID,Soós Benjámin¹²^ORCID,Arcones Almudena⁴⁸^ORCID,Sprouse Trevor M.⁵⁶^ORCID,Surman Rebecca⁵^ORCID,Pignatari Marco¹⁹,Pető Mária K.¹^ORCID,Wehmeyer Benjamin¹¹⁰,Rauscher Thomas¹⁰¹¹^ORCID,Lugaro Maria¹²¹²

Affiliation:

1. Research Centre for Astronomy and Earth Sciences, Eötvös Loránd Research Network, Konkoly Observatory, 1121 Budapest, Hungary.

2. Institute of Physics, Eötvös Loránd University, 1117 Budapest, Hungary.

3. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA.

4. Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany.

5. Department of Physics, University of Notre Dame, Notre Dame, IN 46556, USA.

6. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

7. Center for Theoretical Astrophysics, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

8. GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.

9. E.A. Milne Centre for Astrophysics, University of Hull, Hull HU6 7RX, UK.

10. Centre for Astrophysics Research, University of Hertfordshire, Hatfield AL10 9AB, UK.

11. Department of Physics, University of Basel, 4056 Basel, Switzerland.

12. Monash Centre for Astrophysics, School of Physics and Astronomy, Monash University, Clayton, VIC 3800, Australia.

Abstract

The origin of r-process elements Theoretical models predict that the synthesis of heavy elements by the rapid neutron capture process (r-process) occurs in extreme astrophysical environments such as neutron star mergers or some types of supernovae. Testing those predictions by comparing them with the isotopic record has been difficult. Côté et al. examined two r-process isotopes, iodine-129 and curium-247, both of which have half-lives of 15.6 million years. Therefore, their ratio remains constant even long after the nucleosynthesis event. The ratio of those isotopes at the time of Solar System formation is recorded in meteorites. Comparing this value with nuclear astrophysics calculations shows that the most likely source was moderately neutron-rich material ejected from a binary neutron star merger. Science , this issue p. 945

Funder

ERC Consolidator grant

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference103 articles.

1. r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos

2. GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

3. The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. II. UV, Optical, and Near-infrared Light Curves and Comparison to Kilonova Models

4. Identification of strontium in the merger of two neutron stars

5. K. Lodders “Solar System Abundances of the Elements” in Principles and Perspectives in Cosmochemistry A. Goswami B. Reddy Eds. (Astrophysics and Space Science Proceedings Springer 2010) pp. 379–417.

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