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ZHANG Ying, ZHANG Xiao-an, #, XU Zhong-feng, YANG Zhi-hu, ZHAO Yong-tao, XIAO Guo-qing. Infrared Light and Xray Emissions of 40Ar17+ Impacting on Be Surface[J]. Nuclear Physics Review, 2010, 27(3): 357-362. DOI: 10.11804/NuclPhysRev.27.03.357
Citation: ZHANG Ying, ZHANG Xiao-an, #, XU Zhong-feng, YANG Zhi-hu, ZHAO Yong-tao, XIAO Guo-qing. Infrared Light and Xray Emissions of 40Ar17+ Impacting on Be Surface[J]. Nuclear Physics Review, 2010, 27(3): 357-362. DOI: 10.11804/NuclPhysRev.27.03.357
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Infrared Light and Xray Emissions of 40Ar17+ Impacting on Be Surface

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  • The highly charged ion 40Ar17+ (kinetic energy EK=272 keV, velocity v=1.14×106 m/s and EK=357 keV, v=1.72×106 m/s) impacts on the surface of metal Be, and the atomic infrared light line and Xray spectrum are simultaneously measured. The experimental results show that in the low velocity region (less than vBohr), the highly charged ion with smaller velocity from a critical distance Rc to penetrate into the bulk formed more multipleexcited Ar atoms and the spectrum intensities of decay radiation are greater, which verifies the classical over the barrier model.
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