Shell-model investigation of spectroscopic properties and collectivity in the nuclei beyond 132Sn

被引：23
|
作者：
Naiedja, H. [1 ,2 ,3 ]
Nowacki, F. [1 ]
Bounthong, B. [1 ]
机构：
[1] Univ Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
[3] Univ Constantine 1, LPMS, Route Ain El Bey, Constantine 25000, Algeria
来源：
PHYSICAL REVIEW C | 2017年 / 96卷 / 03期
关键词：
QUADRUPOLE-MOMENTS; STATES; ISOTOPES; SHAPES;
D O I：
10.1103/PhysRevC.96.034312
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 recent shell-model results of even-even chains of nuclei: Te-134,Te-136,Te-138, Xe-136,Xe-138,Xe-140, Ba-138,Ba-140,Ba-142, Ce-140,Ce-142,Ce-144, and Nd-142,Nd-144,Nd-146 are explored in this manuscript. The low-lying states energies, E2 and M1 transitions, are investigated using the same effective interaction based on the realistic effective field theory potential N3LO. Significant quadrupole correlations appear in the N = 86 isotonic chain, with the signature of nonaxial gamma band. This class of collectivity is interpreted within the SU(3) symmetries scheme and confirmed by constrained Hartree-Fock shell-model calculations.
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页数：8
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