X-ray spectra induced in highly charged 40Arq+ interacting with Au surface |
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Authors: | Zhang Xiao an , Xiao Guoqing , Yang Zhihu , Chen Ximeng , Zhao Yongtao , Li Fuli , Zhang Yinping , Cui Ying , Zhang Hongqiang , Xu Xu , Shao Jianxiong Zhan Wenlong |
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Affiliation: | (1) Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China;(2) Department of Physics, Xianyang Normal University, Xianyang, 712000, China;(3) Department of Modern Physics, Lanzhou University, Lanzhou, 730000, China;(4) Department of Applied Physics, Xi’an Jiaotong University, Xi’an, 710049, China |
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Abstract: | By use of optical spectrum technology, the spectra of X-ray induced by highly charged 40Ar q+ ions interacting with Au surface have been studied. The results show that the argon Kα X-ray were emitted from the hollow atoms formed below the surface. There is a process of multi-electron exciting in neutralization of the Ar16+ion, with electronic configuration 1s2 in its ground state below the solid surface. The yield of the projectile Kα X-ray is related to its initial electronic configuration, and the yield of the target X-ray is related to the projectile kinetic energy. |
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Keywords: | highly charged ion hollow multi-electron excitation X-ray |
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