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Extended Glauber theory and its application in halo nucleus scattering
其他题名推广的Glauber理论及其在晕核散射中的应用
Zhao, YL; Ma, ZY; Chen, BQ; Sun, XQ; Zhao, YL , China Inst Atom Energy, Dept Phys, Beijing 102413, Peoples R China.
2001
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN0254-3052
卷号25期号:6页码:506-513
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.
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
关键词Elastic-scattering Cross-sections Neutron Halo Model Li-11 Be-14
学科领域Physics
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收录类别SCI
WOS记录号WOS:000169307600006
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12731
专题理论物理所SCI论文
通讯作者Zhao, YL , China Inst Atom Energy, Dept Phys, Beijing 102413, Peoples R China.
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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.
APA Zhao, YL,Ma, ZY,Chen, BQ,Sun, XQ,&Zhao, YL , China Inst Atom Energy, Dept Phys, Beijing 102413, Peoples R China..(2001).Extended Glauber theory and its application in halo nucleus scattering.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25(6),506-513.
MLA Zhao, YL,et al."Extended Glauber theory and its application in halo nucleus scattering".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25.6(2001):506-513.
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