Gamow-Teller properties of the double-β-decay partners 116Cd(Sn) and 150Nd(Sm)

被引：8
|
作者：
Navas-Nicolas, D. [1 ]
Sarriguren, P. [1 ]
机构：
[1] CSIC, IEM, E-28006 Madrid, Spain
来源：
PHYSICAL REVIEW C | 2015年 / 91卷 / 02期
关键词：
HARTREE-FOCK CALCULATIONS; SKYRMES INTERACTION; SPIN-ISOSPIN; SHELL-MODEL; STRENGTH; TE-128; TE-130;
D O I：
10.1103/PhysRevC.91.024317
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The two Gamow-Teller (GT) branches connecting the double-beta decay partners (Cd-116, Sn-116) and (Nd-150, Sm-150) with the intermediate nuclei In-116 and Pm-150 are studied within a microscopic approach based on a deformed proton-neutron quasiparticle random-phase approximation built on a Skyrme self-consistent mean field with pairing correlations and spin-isospin residual forces. The results are compared with the experimental GT strength distributions extracted from charge-exchange reactions. After combining the two branches, the nuclear matrix elements for the two-neutrino double-beta decay are evaluated and compared to experimental values derived from the measured half-lives.
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页数：9
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