Self-consistent approach to beta decay and delayed neutron emission
- 作者: Borzov I.N.1,2
-
隶属关系:
- National Research Centre “Kurchatov Institute,”
- Bogoliubov Laboratory of Theoretical Physics
- 期: 卷 79, 编号 6 (2016)
- 页面: 910-923
- 栏目: Nuclei
- URL: https://journal-vniispk.ru/1063-7788/article/view/190460
- DOI: https://doi.org/10.1134/S1063778816060041
- ID: 190460
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详细
A brief overview of the recent self-consistent studies of nuclear beta decay is given including the relativistic quasi-particle random-phase approximation or QRPA and Finite Amplitude Method. The results of our self-consistent continuum QRPA model based on the density functional description of the ground states are presented. They are in a good agreement with the recent experimental beta-decay half-lives and delayed neutron emission branchings for the nuclei approaching (and beyond) the neutron closed shells N = 50 near 78Ni and N = 82 near 132Sn. A comparison with the recent calculations from relativistic QRPA model, Finite Amplitude Method and semi-microscopic finite-range droplet model is performed. An importance of the quasi-particle phonon coupling is stressed for the description of the beta decay and delayed multi-neutron emission rates. A strategy of extending our approach to the deformed nuclei and the open problems are discussed.
作者简介
I. Borzov
National Research Centre “Kurchatov Institute,”; Bogoliubov Laboratory of Theoretical Physics
编辑信件的主要联系方式.
Email: ibor48@mail.ru
俄罗斯联邦, Moscow; Dubna
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