| Original Articles |
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One-Proton Halo in 31Cl with Relativistic Mean-Field
Theory |
| CAI Xiang-Zhou1;SHEN Wen-Qing1,2,4;REN Zhong-Zhou3;JIANG Wei-Zhou1;FANG De-Qing1;ZHANG Hu-Yong1;ZHONG Chen1;WEI Yi-Bin1;GUO Wei1,
MA Yu-Gang1,2;ZHU Zhi-Yuan1 |
| 1Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800
2CCAST (World Laboratory), P.O.Box 8730, Beijing 100080
3Department of Physics, Nanjing University, Nanjing 210093
4Department of Physics, Ningbo University, Ningbo 315211 |
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| Cite this article: |
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CAI Xiang-Zhou, SHEN Wen-Qing, REN Zhong-Zhou et al 2002 Chin. Phys. Lett. 19 1068-1070 |
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Abstract We investigate proton-rich isotopes 31,32Cl using the nonlinear relativistic mean-field model. It is shown that this model can reproduce the properties of these nuclei well. A long tail appears in the calculated proton density distribution of 31Cl. The results of relativistic density-dependent Hartree theory show a similar trend of tail density distribution. It is strongly suggested that there is a proton halo in 31Cl and it is indicated that there may exist proton skin in 31Cl. The relation between the proton halo in 1Cl and the new proton magic number is discussed.
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21.10.Gv
21.60.Jz
21.10.Dr
27.30.+t
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Published: 01 August 2002
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| PACS: |
21.10.Gv
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(Nucleon distributions and halo features)
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21.60.Jz
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(Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations))
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21.10.Dr
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(Binding energies and masses)
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27.30.+t
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(20 ≤ A ≤ 38)
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