The production of actinides in neutron star mergers
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Published:2022-07-15
Issue:1
Volume:32
Page:
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ISSN:2309-4710
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Container-title:AAPPS Bulletin
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language:en
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Short-container-title:AAPPS Bull.
Author:
Wu Meng-RuORCID, Banerjee Projjwal
Abstract
AbstractAlthough the multimessenger detection of the neutron star merger event GW170817 confirmed that mergers are promising sites producing the majority of nature’s heavy elements via the rapid neutron-capture process (r-process), a number of issues related to the production of translead nuclei—the actinides—remain to be answered. In this short review paper, we summarize the general requirements for actinide production in r-process and the impact of nuclear physics inputs. We also discuss recent efforts addressing the actinide production in neutron star mergers from different perspectives, including signatures that may be probed by future kilonova and γ-ray observations, the abundance scattering in metal-poor stars, and constraints put by the presence of short-lived radioactive actinides in the Solar system.
Funder
Ministry of Science and Technology, Taiwan Academia Sinica National Center for Theoretical Sciences
Publisher
Springer Science and Business Media LLC
Subject
General Engineering
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