滴线原子核中的晕现象——中子晕、超子晕、巨晕和形变晕  

Giant Neutron-and Hyperon-Halos in Drip-Line Nuclei

作　　者：孟杰[1] 吕洪凤 张双全[1] 周善贵[1] 

机构地区：[1]北京大学物理学院技术物理系,北京100871

出　　处：《北京大学学报（自然科学版）》2003年第z1期38-43,共6页Acta Scientiarum Naturalium Universitatis Pekinensis

基　　金：国家重点基础研究发展规划 (G2 0 0 0 0 774 0 7);国家自然科学基金 (10 0 2 5 5 2 2 ;10 0 4 70 0 1;10 2 2 10 0 3)资助项目

摘　　要：描述了相对论连续谱Hartree Bogoliubov理论框架下的多种可能的晕现象。预言了中子滴线附近的Ca原子核中可能存在着巨晕 ,并简要介绍了O、Ni、Zr、Sn和Pb等一些质子幻数核从质子滴线到中子滴线之间的原子核基态性质。随后给出超核内的晕现象研究 ,如Ca超核内的中子晕和153ΛC内的单Λ超子晕。此外 ,还讨论了形变晕等奇特现象。Kinds of halos in the relativistic continuum Hartree Bogoliubov (RCHB) theory are described. While giant halo in the even N Ca isotopes near neutron drip line is predicted, properties of some proton magic nuclei, such as O, Ni, Zr, Sn, and Pb, ranging from the proton drip line to neutron drip line, are briefly studied. Halos in hypernuclei, for example, the neutron halo in Ca hypernuclei and the single hyperon halo in 15 3Λ C, are also investigated. In addition, deformed halo is also mentioned as well as the developing self consistent deformed RCHB theory.

关 键 词：滴线原子核 晕 超核 相对论连续谱Hartree-Bogoliubov理论 

分 类 号：O571[理学—粒子物理与原子核物理]