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Title: Neutron-star mergers and new opportunities in rare isotope experimental research

Journal Article · · Annals of Physics
 [1]
  1. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab., Joint Institute for Nuclear Astrophysics

The recent observation of the first neutron-star merger event GW170817 had major impact on our understanding of stellar nucleosynthesis. It was identified for the first time as one of the sites for the astrophysical r process, a process that is responsible for the synthesis of roughly half of the isotopes of the heavy elements. The observed kilonova afterglow from the neutronstar merger event was interpreted as the result of the radioactive decays of r-process isotopes as they decay back to the valley of stability. The observed kilonova light curve is however broad due to its complex composition and the Doppler-shift due to fast moving matter, and is therefore impossible to interpret without accurate knowledge of the nuclear properties of the nuclei involved. This work focuses on the current experimental efforts to measure the relevant nuclear properties, together with plans for the next generation radioactive beam facilities, and in particular the Facility for Rare Isotope Beams (FRIB).

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003221; NA0000979; PHY-1102511; PHY-1430152; PHY-1350234
OSTI ID:
1657660
Alternate ID(s):
OSTI ID: 1575091
Journal Information:
Annals of Physics, Vol. 412; ISSN 0003-4916
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 1 work
Citation information provided by
Web of Science

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