Study on Charge Form Factors of the Exotic Nuclei <SUP>6,8</SUP>He

WANG Zai-Jun; REN Zhong-Zhou

Chinese Physics C> 2007, Vol. 31> Issue(11) : 1032-1039

Study on Charge Form Factors of the Exotic Nuclei ^6,8He

WANG Zai-Jun ^, ,
REN Zhong-Zhou

Department of Mathematics, Physics and Information Science,Tianjin University of Technology and Education, Tianjin 300222, China2 Department of Physics, Nanjing University, Nanjing 210008, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou,Lanzhou 730000, China

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Charge radius and charge form factors of different charge density distributions for ^6,8He are calculated with the relativistic Eikonal approximation. Detailed comparisons and discussions are presented. It is found that the charge form factors curves of ^6,8He are much lower than the experimental ones of ⁴He. This is, in principle, consistent with the experimental fact. Whereas detailed comparison among the charge form factors which correspond to different charge distributions show significant deviations. This indicates that the effects of the correlations between the halo neutrons and the α-core in ^6,8He with different charge density distributions are quite different. This result would provide a useful reference for the possible experiments on the next-generation electron-nucleus collider and for the tests of different theoretical models for the exotic nuclei ^6,8He.

References

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WANG Zai-Jun and REN Zhong-Zhou. Study on Charge Form Factors of the Exotic Nuclei ^6,8He[J]. Chinese Physics C, 2007, 31(11): 1032-1039.

WANG Zai-Jun and REN Zhong-Zhou. Study on Charge Form Factors of the Exotic Nuclei ^6,8He[J]. Chinese Physics C, 2007, 31(11): 1032-1039. shu

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Received: 2007-01-12
Revised: 2007-04-16

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Study on Charge Form Factors of the Exotic Nuclei ^6,8He

Corresponding author: WANG Zai-Jun,

Department of Mathematics, Physics and Information Science,Tianjin University of Technology and Education, Tianjin 300222, China2 Department of Physics, Nanjing University, Nanjing 210008, China3 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou,Lanzhou 730000, China

Received Date: 2007-01-12

Accepted Date: 2007-04-16

Available Online: 2007-11-05

Abstract: Charge radius and charge form factors of different charge density distributions for ^6,8He are calculated with the relativistic Eikonal approximation. Detailed comparisons and discussions are presented. It is found that the charge form factors curves of ^6,8He are much lower than the experimental ones of ⁴He. This is, in principle, consistent with the experimental fact. Whereas detailed comparison among the charge form factors which correspond to different charge distributions show significant deviations. This indicates that the effects of the correlations between the halo neutrons and the α-core in ^6,8He with different charge density distributions are quite different. This result would provide a useful reference for the possible experiments on the next-generation electron-nucleus collider and for the tests of different theoretical models for the exotic nuclei ^6,8He.

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