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20—50 MeV O⁵⁺离子引起Au的L壳层X射线产生截面研究

Study of the L-subshell X-ray production cross sections of Au by 20—50 MeV O⁵⁺ bombardments

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【Author】 Zhang Bo-Li~(1)2)) Yang Zhi-Hu~(1)) Du Shu-Bin~(3)) Chang Hong-Wei~(3))Xue Ying-Li~(1)2)) Song Zhang-Yong~(1)) Zhu Ke-Xin~(1)2)) Tian Ye~(4))1)(Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China)2)(Graduate University of Chinese Academy of Sciences,Beijing 100190,China)3)(China Institute of Atomic Energy,Beijing 102413,China)4)(Department of Modern Physics,Lanzhou University,Lanzhou 730000,China)

【机构】中国科学院近代物理研究所；中国科学院研究生院；中国原子能科学研究院；兰州大学物理科学与技术学院；

【摘要】在北京13 MV串列加速器上利用20—50MeVO5+离子研究Au的L壳层X射线产生截面.实验结果表明σ(Ll)/σ(Lα),σ(Lβ)/σ(Lα)和σ(Lγ)/σ(Lα)与ECPSSR理论计算结果符合比较好.在实验中由于较高的能量,在能量点存在能移现象.更多还原

【Abstract】 The experiments were performed at HI-13 tandem accelerator at the Chinese Institute of Atomic Energy（CIAE）,in which the L-shell X-ray relative production cross section was measured for solid targets Au bombarded by 20—50 MeV O⁵⁺ions.The ratios of Au L-subshell production cross sections σ（Lβ）/σ（Lα）,σ（Lγ）/σ（Lα）,σ（Ll）/σ（Lα） have been calculated according to the experimental data.The results are compared with the predictions of the ECPSSR theory.Reasonable agreement between theory and experiment was obtained.更多还原