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Galactic Chemical Evolution of the Lighter Neutron Capture Elements Sr, Y and Zr
Based on a three-component Galaxy chemical evolutionary model satisfying a large set of Galactic and extragalactic constraints, we compute the chemical evolution of the lighter neutron capture elements (e.g., Sr, Y and Zr) taking into account contributions from three processes. We compare our model results with available observational results and find that the observed trends can be understood in the light of present knowledge of neutron capture nucleosynthesis.
作 者： Cui-Hua Du Bo Zhang Han-Feng Song Qiu-He Peng 作者单位： Cui-Hua Du(Department of Physics, Hebei Normal University, Shijiazhuang 050016;National Astronomical Observatory, Chinese Academy of Science, Beijing 100012)Bo Zhang(Department of Physics, Hebei Normal University, Shijiazhuang 050016;Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000)
Han-Feng Song(Department of Physics, Hebei Normal University, Shijiazhuang 050016)
Qiu-He Peng(Department of Astronomy, Nanjing University, Nanjing 210093)
刊 名： 天体物理学报(英文版) ISTIC SCI 英文刊名： CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 年，卷(期)： 2003 3(5) 分类号： P14 关键词： stars: AGB and post-AGB - Galaxy: halos - ISM:abundances【Galactic Chemical Evolution of the L】相关文章：
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