Shell Anomalies of Mg, Si and S Isotopes

ZHONG Xian-Hui; TAN Yu-Hong; NING Ping-Zhi

Chinese Physics C> 2003, Vol. 27> Issue(9) : 794-797

Shell Anomalies of Mg, Si and S Isotopes

Department of Physics, Nankai University, Tianjin 300071, China

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Abstract：
The shell closure and shell anomalies of Mg, Si and S isotopes are investigated in the framework of relativistic mean-field theory. From two-proton and two-neutron separation gaps, we find that (1) there exist obvious shell effects at N=12, 16 in Mg isotopes, at N=14 in Si isotopes, and at N=16 in S isotopes, (2) the shell structure of Si isotopes at N=28 does not disappear, (3) the shell effects of Mg, Si and S isotopes at 20 are not very obvious.

References

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ZHONG Xian-Hui, TAN Yu-Hong and NING Ping-Zhi. Shell Anomalies of Mg, Si and S Isotopes[J]. Chinese Physics C, 2003, 27(9): 794-797.

ZHONG Xian-Hui, TAN Yu-Hong and NING Ping-Zhi. Shell Anomalies of Mg, Si and S Isotopes[J]. Chinese Physics C, 2003, 27(9): 794-797. shu

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Received: 2002-12-30
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Shell Anomalies of Mg, Si and S Isotopes

Corresponding author: ZHONG Xian-Hui,

Department of Physics, Nankai University, Tianjin 300071, China

Received Date: 2002-12-30

Accepted Date: 1900-01-01

Available Online: 2003-09-05

Abstract: The shell closure and shell anomalies of Mg, Si and S isotopes are investigated in the framework of relativistic mean-field theory. From two-proton and two-neutron separation gaps, we find that (1) there exist obvious shell effects at N=12, 16 in Mg isotopes, at N=14 in Si isotopes, and at N=16 in S isotopes, (2) the shell structure of Si isotopes at N=28 does not disappear, (3) the shell effects of Mg, Si and S isotopes at 20 are not very obvious.

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Shell Anomalies of Mg, Si and S Isotopes

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