Observation of new neutron and proton magic numbers

被引：77

作者：

Kanungo, R ^{[1
]}

Tanihata, I ^{[1
]}

Ozawa, A ^{[1
]}

机构：

[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

来源：

PHYSICS LETTERS B | 2002年 / 528卷 / 1-2期

关键词：

magic number; separation energy; beta decay Q value; excitation energy;

D O I：

10.1016/S0370-2693(02)01206-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Systematics of beta decay Q values, single neutron separation energies, and the energies of the first excited state for even-even nuclei have been studied for neutron-rich nuclei, Breaks in systematics of these three quantities show the existence of new magic numbers at Z = 16 and N = 30 in neutron-rich regions of nuclear chart. Shell closure at N = 32 is also observed. The recently reported new magic number N = 16 has been reconfirmed also in this analysis from new view points. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：58 / 64

页数：7

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