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X-ray emission of Xe30+ ion beam impacting on Au target

  • Xiaoan Zhang (a1) (a2), Yongtao Zhao (a1) (a2), Dieter H.H. Hoffmann (a2) (a3), Zhihu Yang (a1), Ximeng Chen (a4), Zhongfeng Xu (a5), Fuli Li (a5) and Guoqing Xiao (a1)...

Abstract

X-ray emission from Xe30+ ions at 350–600 keV impacting on an Au target was investigated at the Heavy Ion Research Facility at Lanzhou. Characteristic X-rays of Xe ions at energy of about 1.65 keV were observed. This X-ray emission is induced by the decay of very high Rydberg states of Xe ions. It was also found that the yield of such characteristic X-rays is decreasing with increasing the projectile kinetic energy. Simultaneously, the yield of the characteristic Au X-rays from the M shell increases also. These phenomena are qualitatively analyzed with the classical Coulomb over the Barrier Mode (COBM) for highly charged ions interacting with solid state surfaces.

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Corresponding author

Address correspondence and reprint requests to: Yongtao Zhao, Institute of Modern Physics, Chinese Academy of Science, Lanzhou, China. E-mail: zhaoyt@impcas.ac.cn

References

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X-ray emission of Xe30+ ion beam impacting on Au target

  • Xiaoan Zhang (a1) (a2), Yongtao Zhao (a1) (a2), Dieter H.H. Hoffmann (a2) (a3), Zhihu Yang (a1), Ximeng Chen (a4), Zhongfeng Xu (a5), Fuli Li (a5) and Guoqing Xiao (a1)...

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