Exotic Structure of the Single Nucleon Excited States in the Medium Nuclei near the Stability Line

Shi Yu; MA Yu-Gang; CHEN Jin-Geng; FANG De-Qing; WANG Kun; YAN Ting-Zhi; MA Chun-Wang; LIU Gui-Hua; TIAN Wen-Dong; WANG Hong-Wei; GUO Wei; MA Er-Jun; SU Qian-

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 180-182

Exotic Structure of the Single Nucleon Excited States in the Medium Nuclei near the Stability Line

Graduate School of the Chinese Academy of Sciences, Beijing 1000392 Shanghai Institute of Applied Physics, CAS, 201800, China

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Abstract：
The halo or skin structure of excited states in odd nuclei near the stability line is studied in terms of the spherical nonlinear relativity mean field theory calculation, considering nucleus as a spherical core plus a valence nucleon outside it. The tail of density distributions of excited states with exotic structure are presented for medium-heavy nuclei. The ratio (R_vc) of valence nucleon rms radii to that of nuclear core are deduced. Together with the separation energy (Sn(p)), the ratio (R_vc) constitutes a correlation, in which the exotic nuclei excited states distribution presents a strap structure. It implied the effects of centrifugal barrier and the shell structure.

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Shi Yu, MA Yu-Gang, CHEN Jin-Geng, FANG De-Qing, WANG Kun, YAN Ting-Zhi, MA Chun-Wang, LIU Gui-Hua, TIAN Wen-Dong, WANG Hong-Wei, GUO Wei, MA Er-Jun, SU Qian- and Exotic Structure of the Single Nucleon Excited States in the Medium Nuclei near the Stability Line[J]. Chinese Physics C, 2006, 30(S2): 180-182.

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Received: 2006-10-18
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

Exotic Structure of the Single Nucleon Excited States in the Medium Nuclei near the Stability Line

Corresponding author: Shi Yu,

Graduate School of the Chinese Academy of Sciences, Beijing 1000392 Shanghai Institute of Applied Physics, CAS, 201800, China

Received Date: 2006-10-18

Accepted Date: 1900-01-01

Available Online: 2006-01-03

Abstract: The halo or skin structure of excited states in odd nuclei near the stability line is studied in terms of the spherical nonlinear relativity mean field theory calculation, considering nucleus as a spherical core plus a valence nucleon outside it. The tail of density distributions of excited states with exotic structure are presented for medium-heavy nuclei. The ratio (R_vc) of valence nucleon rms radii to that of nuclear core are deduced. Together with the separation energy (Sn(p)), the ratio (R_vc) constitutes a correlation, in which the exotic nuclei excited states distribution presents a strap structure. It implied the effects of centrifugal barrier and the shell structure.

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Exotic Structure of the Single Nucleon Excited States in the Medium Nuclei near the Stability Line

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