^(14)O核中子闭壳效应的探讨  

A discussion about neutron closed shell effect of ^(14)O nucleus

作　　者：丁斌刚[1] 张大立[1] 鲁定辉[2] 

机构地区：[1]浙江湖州师范学院理学院,湖州313000 [2]浙江大学近代物理中心,杭州310027

出　　处：《物理学报》2010年第5期3142-3146,共5页Acta Physica Sinica

基　　金：国家自然科学基金(批准号:10675046)资助的课题~~

摘　　要：在引入了BCS理论的相对论平均场模型框架内,通过系统研究氧同位素偶偶核的单粒子能级间隔、单粒子能级占有概率比、对作用效应和粒子数涨落,比较了14O,22O和24O三个核的中子闭壳效应,最后从理论上预言丰质子核14O有着比丰中子核22O和24O更强的中子闭壳效应.By systematically analyzing the single particle level,the single particle occupation probability near the Fermi surface,paring energy effect and the rule of nuclear particle number fluctuation of even-even nuclei of oxygen isotopes within the relativistic mean-field model with BCS theory,we compare the neutron closed shell effect of ^14O,^22O and ^24O nuclei,and finally predict theoretically that the proton-rich ^14O nucleus has stronger neutron closed shell effect than ^22O and ^24O nuclei.

关 键 词：相对论平均场模型 能级间隔 占有概率 粒子数涨落 

分 类 号：O571.5[理学—粒子物理与原子核物理]