(h11/2)2 alignments in neutron-rich 132Ba with negative-parity pairs

被引：8

作者：

Lei, Y. ^{[1
]}

Xu, Z. Y. ^{[2
]}

机构：

[1] China Acad Engn Phys, Inst Nucl Phys & Chem, Key Lab Neutron Phys, Mianyang 621900, Peoples R China

[2] Shianghai Jiao Tong Univ, Dept Phys, INPAC, Shianghai 200240, Peoples R China

来源：

PHYSICAL REVIEW C | 2015年 / 92卷 / 01期

基金：

中国国家自然科学基金;

关键词：

BAND-STRUCTURES; SHELL-MODEL; CROSSINGS; NUCLEI; REGION; PROTON; XE;

D O I：

10.1103/PhysRevC.92.014317

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 shell-model collective-pair truncation with negative-parity pairs is adopted to study the (h(11/2))(2) alignment in Ba-132. The proton (h(11/2))(2)-alignment state is predicted as an E similar to 4.6 MeV and tau similar to 0.5 mu s isomer with relatively strong E3 decay channels. The oblately deformed neutron (h(11/2))(-2) alignment in the yrast band and four negative-parity bands are confirmed, even though two of these negative-parity bands favor the prolate deformation, which directly manifests the. instability of Ba-132.

引用

页数：5

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