摘要
The L-shell x-ray of Nd has been obtained for 300-600 keV He2+ions impacting,and compared with that produced by H+and H2+ions.The threshold of projectile kinetic energy for L-shell ionization of Nd is crudely verified in the energy region of about 300-400 keV.It is found that the energy of the distinct L-subshell x-rays has a blue shift.The relative intensity ratios of Lβ_(1,3,4)and Lβ_(2,15)to Lα_(1,2)x-ray are enlarged compared to the atomic data,and they decrease with the increase of the incident energy,and increase with increasing the effective nuclear charge of the incident ions.That is interpreted by the multiple ionization of outer-shells induced by light ions.
作者
周贤明
尉静
程锐
陈燕红
梅策香
曾利霞
柳钰
张艳宁
梁昌慧
赵永涛
张小安
Xian-Ming Zhou;Jing Wei;Rui Cheng;Yan-Hong Chen;Ce-Xiang Mei;Li-Xia Zeng;Yu Liu;Yan-Ning Zhang;Chang-Hui Liang;Yong-Tao Zhao;Xiao-An Zhang(Ion Beam and Optical Physics Joint Laboratory of Xianyang Normal University and Insitite of Modern Physics,Chinese Academy of Sciences,Xianyang Normal University,Xianyang 712000,China;School of Science,Xi’an Jiaotong University,Xi’an 710049,China;Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China)
基金
supported by the National Key R&D Program of China(Grant No.2017YFA0402300)
the National Natural Science Foundation of China(Grant Nos.11505248,11775042,11875096,and 11605147)
the Scientific Research Program Funded by Shaanxi Provincial Education Department(Grant No.20JK0975)
Scientific Research Plan of Science and Technology Department of Shaanxi Province,China(Grant No.2021JQ-812)
Xianyang Normal University Science Foundation(Grant Nos.XSYK20024 and XSYK20009)
the academic leader of Xianyang Normal University(Grant No.XSYXSDT202108)。
