Beta-decay properties of exotic nuclei and the astrophysical r-process

Takahiro Tachibana, M. Arnould

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Abstract

The r-process abundances are evaluated with the use of three different β-decay models, i.e., the second version of the Gross Theory, the semi-Gross Theory and a QRPA approach. The necessary Qβ-values, as well as the neutron separation energies, are obtained from the TUYY, ETFSI and FRDM mass predictions. A comparison is made among the β-decay half-lives predicted by these β-decay models for the nuclei on a typical r-process path, as well as among the resulting r-process abundances.

Original languageEnglish
JournalNuclear Physics, Section A
Volume588
Issue number1
DOIs
Publication statusPublished - 1995 May 29

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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