| 金属元素的正电子鉴别技术 |
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| 引用本文： | 郗传英,叶邦角,孔伟,翁惠民,周先意,韩荣典.金属元素的正电子鉴别技术[J].化学物理学报(中文版),2006,19(3):203-206. |
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| 作者姓名： | 郗传英 叶邦角 孔伟 翁惠民 周先意 韩荣典 |
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| 基金项目： | 中国科学院基金;国家高技术研究发展计划(863计划) |
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| 摘 要： |
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| 关 键 词： | 正电子湮灭 符合多普勒展宽 金属 元素鉴别 |
Coincidence Doppler Broadening Study of Elemental Metals |
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| Chuan-ying Xi,Bang-jiao Ye,Wei Kong,Hui-min Weng,Xian-yi Zhou,Rong-dian Han.Coincidence Doppler Broadening Study of Elemental Metals[J].化学物理学报(中文版),2006,19(3):203-206. |
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| Authors: | Chuan-ying Xi Bang-jiao Ye Wei Kong Hui-min Weng Xian-yi Zhou Rong-dian Han |
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| Abstract: | Twenty pure elemental metal samples have been studied with a coincidence Doppler broadening system (CDB). The results show the relationship between the CDB spectra and the electronic structure of these samples. The experimental results are compared to simple theoretical predictions, which show that the high-momentum part of the Doppler-broadening spectra can be used to distinguish different elements. |
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| Keywords: | Positron annihilation Coincidence Doppler broadening Metal Elemental specificity |
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