首页 | 官方网站   微博 | 高级检索  
     

Proton Halo or Skin in the Excited States of Light Nuclei
作者姓名:陈金根  蔡翔舟  张虎勇  沈文庆  任中洲  蒋维洲  马余刚  钟晨  魏义彬  郭威  周星飞  马国亮  王鲲
作者单位:[1]CollegeofSciences,ZhejiangForestryUniversity,Hangzhou311300;ShanghaiInstituteofnuclearResearch,ChineseAcademyofSciences,Shanghai201800(mailingaddress) [2]ShanghaiInstituteofnuclearResearch,ChineseAcademyofSciences,Shanghai201800(mailingaddress) [3]ShanghaiInstituteofnuclearResearch,ChineseAcademyofSciences,Shanghai201800(mailingaddress);CollegeofSciences,NingboUniversity,Ningbo315211 [4]DepartmentofPhysics,NanjingUniversity,Nanjing210093
摘    要:Properties of nuclei 13,15,N and 9B are investigated in the relativistic mean-field theory with NLz and NL3 force parameters.The calculated binding energies are very close to the experimental ones.The calculations show that the first excited state (1p1/2) in 9B,the first excited state (2s1/2)in 13 N and the second excited state(2s1/2) in 15N are weakly bound .In particular,for 13N and 15N,the proton density distributions in the two above excited states have a long tail and the rms radii of the last proton are greatly larger compared with their respective matter radii.It is predicted that a proton halo exists in the first excited state of 13N and in the second excited state of 15N,respectively.It also indicates that the first excited state in 9B is a proton skin state.

关 键 词:质子晕  原子核  相对论  性质  束缚能量  实验研究  计算  激励  密度分布  结构  β稳定线
本文献已被 维普 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号