Neutron drip line of Z=9–11 isotopic chains  

作　　者：Rong An Guo-Fang Shen Shi-Sheng Zhang Li-Sheng Geng 安荣;申国防;张时声;耿立升(School of Physics,Beihang University,Beijing 100191,China;Beijing Key Laboratory of Advanced Nuclear Materials and Physics,Beihang University,Beijing 100191,China;Beijing Advanced Innovation Center for Big Data-based Precision Medicine,Beihang University,Beijing 100191,China;School of Physics and Microelectronics,Zhengzhou University,Zhengzhou,Henan 450001,China)

机构地区：[1]School of Physics,Beihang University,Beijing 100191,China [2]Beijing Key Laboratory of Advanced Nuclear Materials and Physics,Beihang University,Beijing 100191,China [3]Beijing Advanced Innovation Center for Big Data-based Precision Medicine,Beihang University,Beijing 100191,China [4]School of Physics and Microelectronics,Zhengzhou University,Zhengzhou,Henan 450001,China

出　　处：《Chinese Physics C》2020年第7期87-94,共8页中国物理C（英文版）

基　　金：Partly supported by the National Natural Science Foundation of China(11735003,11975041,11775014,11961141004);the fundamental Research Funds for the Central Universities。

摘　　要：A recent experimental breakthrough identified the last bound neutron-rich nuclei in fluorine and neon isotopes.Based on this finding,we perform a theoretical study of Z=9,10,11,12 isotopes in the relativistic mean field(RMF)model.The mean field parameters are assumed from the PK1 parameterization,and the pairing correlation is described by the particle number conservation BCS(FBCS)method recently formulated in the RMF model.We show that the FBCS approach plays an essential role in reproducing experimental results of fluorine and neon isotopes.Furthermore,we predict 39Na and 40Mg to be the last bound neutron-rich nuclei in sodium and magnesium isotopes.

关 键 词：drip line relativistic mean field theory particle number conservation 

分 类 号：O571.5[理学—粒子物理与原子核物理]