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题名: Extended Glauber theory and its application in halo nucleus scattering
作者: Zhao, YL ;  Ma, ZY ;  Chen, BQ ;  Sun, XQ
刊名: HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期: 2001
卷号: 25, 期号:6, 页码:506-513
关键词: ELASTIC-SCATTERING ;  CROSS-SECTIONS ;  NEUTRON HALO ;  MODEL ;  LI-11 ;  BE-14
学科分类: Physics
其他题名: 推广的Glauber理论及其在晕核散射中的应用
通讯作者: Zhao, YL , China Inst Atom Energy, Dept Phys, Beijing 102413, Peoples R China.
部门归属: China Inst Atom Energy, Dept Phys, Beijing 102413, Peoples R China; NW Univ Xian, Dept Phys, Xian 710069, Peoples R China; Natl Lab Heavy Ion Accelerator Lab, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We introduced an extended Glauber theory for a halo nucleus scattering, where the halo nucleons and the nuclear core were treated separately. Expressions of reaction and interaction cross sections of the halo nucleus scattering were derived. We took the halo structure of the projectile nucleus into account and adopted an improved optical-limit approximation. In the framework of the extended Glauber theory, we studied the reaction cross section for the halo nucleus Be-14 scattering on a target C-12. For comparison, the reaction cross sections of Be-12 + C-12 were calculated as well. The density distribution of target C-12 is taken from experiments, and those of the projectiles Be-12 and Be-14 were obtained by two methods. One is that the harmonic oscillator wave functions for Be-12 and Be-14 are used. The length of harmonic oscillator is adjusted to reproduce the reaction cross section of Be-12 + C-12 at the high energy E = 790MeV/u. The density distribution of Be-14 was also calculated self-consistently in the relativistic mean field (RMF) theory, with a long tail wave functions for the two neutrons in Be-14. It was found that the calculated reaction cross sections for Be-12 + C-12 at E = 790MeV/u and E = 56.5MeV/u were in good agreement with the experimental data no matter harmonic oscillator or RMF wave functions were used. In contrast, the experiments of the reaction cross sections for Be-14 + C-12 could only be reproduced when the wave functions of two 2s(1/2) neutrons spreaded over with a long tail. It comes to a conclusion that two outside neutrons in Be-14 form a halo structure.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000169307600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12731
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhao, YL,Ma, ZY,Chen, BQ,et al. Extended Glauber theory and its application in halo nucleus scattering[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25(6):506-513.
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