Two-neutrino double β decay within fully renormalized quasiparticle random-phase approximation:: Effect of the restoration of the Ikeda sum rule -: art. no. 064310

被引：37
|
作者：
Pacearescu, L
Rodin, V
Simkovic, F
Faessler, A
机构：
[1] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany
[2] Comenius Univ, Dept Nucl Phys, Bratislava, Slovakia
来源：
PHYSICAL REVIEW C | 2003年 / 68卷 / 06期
关键词：
D O I：
10.1103/PhysRevC.68.064310
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 recently proposed fully renormalized quasiparticle random-phase approximation (QRPA), which fulfills the Ikeda sum rule exactly, is applied to the two-neutrino double beta decay of Ge-76, Se-82, Mo-100, Cd-116, Te-128, and Xe-130. The results obtained are compared with those of other approaches, standard QRPA and self-consistent QRPA. The similarities and the differences among the methods are discussed. The influence of the restoration of the Ikeda sum rule on the 2nubetabeta-decay amplitude is analyzed.
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页数：8
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