Abundances of metal-poor stars and slow neutron-capture progress
Zhang MJ(张妙静); Zhang B(张波); Li GL(厉光烈); Zhang, MJ; Zhang, B; Liu, JH; Li, GL
刊名HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
2003
卷号27期号:4页码:304-308
关键词metal-poor star lead-rich star s-progress neutron exposure
学科分类Physics
其他题名贫金属星的表面丰度与慢重子俘获过程
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Guangxi Normal Univ, Dept Phys & Eletron Sci, Guilin 541004, Peoples R China ; Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China ; Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
文章类型Article
英文摘要We apply the parametric model to fit the surface abundances of three lead-rich stars (HD187861, HD196944 and HD224959) without adopting any specific stellar model. It shows that the calculated result can fit the observed data well whether the reaction branchings are taken into account or not. Besides, by the comparison of the model parameters of the three lead-rich stars with, those of two very metal-poor stars (LP625-44 and LP706-7), we find out that the average neutron exposure of the former is larger than that of the latter, but the dredge-up extent is smaller. We come to the conclusion that the parametric model is significant of constraints on the stellar model, though it is very simple.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000182298600006
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236883
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Zhang MJ,Zhang B,Li GL,et al. Abundances of metal-poor stars and slow neutron-capture progress[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2003,27(4):304-308.
APA 张妙静.,张波.,厉光烈.,Zhang, MJ.,Zhang, B.,...&Li, GL.(2003).Abundances of metal-poor stars and slow neutron-capture progress.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,27(4),304-308.
MLA 张妙静,et al."Abundances of metal-poor stars and slow neutron-capture progress".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 27.4(2003):304-308.
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