Systematic studies on α-decay half-lives for super heavy nuclei

被引：0
|
作者：
张地大 [1 ,2 ]
陈宝秋 [2 ]
马中玉 [2 ]
机构：
[1] School of Nuclear Engineering and Technology, East China Institute of Technology
[2] China Institute of Atomic Energy
来源：
中国物理C | 2010年 / 34卷 / 03期
基金：
中国国家自然科学基金;
关键词：
preformed cluster model (PCM); α-dacay half lives; super heavy nuclei; mass tables;
D O I：
暂无
中图分类号：
O571.321 [];
学科分类号：
0827 ; 082701 ;
摘要：
Radioactive decay of super heavy nuclei via the emission of α-particles has been studied theoretically in the preformed cluster model (PCM). The nucleus-nucleus (NN) potential is obtained by double folding the density distributions of the α-particle and the daughter nucleus with a realistic effective interaction. The M3Y effective interaction, supplemented by a zero-range pseudo-potential for exchange term, is used to calculate the NN potential. The α decay half-lives for 317 nuclei at Z=102–120 are performed in the PCM framework with the theoretical Q values extracted from the Mller-Nix-Kratz and Liran-Marinov-Zeldes mass tables and are compared with the experimental data. The calculated results are also compared with those obtained by using Q values from the Muntian-Hofmann-Patyk-Sobiczewski and Myers-Swiatecki mass estimates.
引用
收藏
页码：334 / 339
页数：6
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