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

T. Tachibana; M. Arnould

doi:10.1016/0375-9474(95)00158-W

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

T. Tachibana^*, M. Arnould

^*この研究の対応する著者

高等学院

研究成果: Article › 査読

6 被引用数 (Scopus)

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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 Q_β-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.

本文言語	English
ページ（範囲）	c333-c337
ジャーナル	Nuclear Physics, Section A
巻	588
号	1
DOI	https://doi.org/10.1016/0375-9474(95)00158-W
出版ステータス	Published - 1995 5月 29

ASJC Scopus subject areas

核物理学および高エネルギー物理学

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10.1016/0375-9474(95)00158-W

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N2 - 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.

AB - 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.

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

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