Fast-electron-impact study on excitations of 4d electron of xenon

doi:10.1088/1674-1056/24/12/123401

中国物理B ›› 2015, Vol. 24 ›› Issue (12): 123401-123401.doi: 10.1088/1674-1056/24/12/123401

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Fast-electron-impact study on excitations of 4d electron of xenon

张鑫^{a b}, 刘亚伟^{a b}, 彭裔耕^{a b}, 徐龙泉^{a b}, 倪冬冬^{a b}, 康旭^{a b}, 王洋洋^{a b}, 祁月盈^c, 朱林繁^{a b}

a Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;
b Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China;
c School of Mathematics, Physics, and Information Engineering, Jiaxing University, Jiaxing 314001, China

收稿日期:2015-06-26 修回日期:2015-08-26 出版日期:2015-12-05 发布日期:2015-12-05
通讯作者: Zhu Lin-Fan E-mail:lfzhu@ustc.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. U1332204, 11274291, 11504361, and 11320101003).

Fast-electron-impact study on excitations of 4d electron of xenon

Zhang Xin (张鑫)^{a b}, Liu Ya-Wei (刘亚伟)^{a b}, Peng Yi-Geng (彭裔耕)^{a b}, Xu Long-Quan (徐龙泉)^{a b}, Ni Dong-Dong (倪冬冬)^{a b}, Kang Xu (康旭)^{a b}, Wang Yang-Yang (王洋洋)^{a b}, Qi Yue-Ying (祁月盈)^c, Zhu Lin-Fan (朱林繁)^{a b}

a Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;
b Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China;
c School of Mathematics, Physics, and Information Engineering, Jiaxing University, Jiaxing 314001, China

Received:2015-06-26 Revised:2015-08-26 Online:2015-12-05 Published:2015-12-05
Contact: Zhu Lin-Fan E-mail:lfzhu@ustc.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. U1332204, 11274291, 11504361, and 11320101003).

摘要/Abstract

摘要： The electron energy loss spectrum of the 4d excitations of xenon was measured at an incident electron energy of 1500 eV and a scattering angle of 6°. Besides the optically allowed transitions of 4d_5/2^-1np and 4d_3/2^-1np', the optically forbidden transitions of 4_5/2^-1ns, 4d_5/2^-1nd, 4d_3/2^-1ns', and 4d_3/2^-1nd' were observed. The measured features are assigned with the help of the calculation by the Cowan Code. The line profile parameters of both optically allowed transitions and optically forbidden ones were determined and compared with the previous available data. It is found that the natural widths of both dipole-allowed and dipole-forbidden excitations are approximately identical, which means the spectator transitions dominate the resonant Auger effect for both dipole-allowed and dipole-forbidden transitions.

关键词: electron energy loss spectrum, optically forbidden transition, natural width

Abstract: The electron energy loss spectrum of the 4d excitations of xenon was measured at an incident electron energy of 1500 eV and a scattering angle of 6°. Besides the optically allowed transitions of 4d_5/2^-1np and 4d_3/2^-1np', the optically forbidden transitions of 4_5/2^-1ns, 4d_5/2^-1nd, 4d_3/2^-1ns', and 4d_3/2^-1nd' were observed. The measured features are assigned with the help of the calculation by the Cowan Code. The line profile parameters of both optically allowed transitions and optically forbidden ones were determined and compared with the previous available data. It is found that the natural widths of both dipole-allowed and dipole-forbidden excitations are approximately identical, which means the spectator transitions dominate the resonant Auger effect for both dipole-allowed and dipole-forbidden transitions.

Key words: electron energy loss spectrum, optically forbidden transition, natural width

中图分类号: (Atomic excitation and ionization)

34.80.Dp

32.80.Aa (Inner-shell excitation and ionization) 32.80.Hd (Auger effect)

张鑫, 刘亚伟, 彭裔耕, 徐龙泉, 倪冬冬, 康旭, 王洋洋, 祁月盈, 朱林繁. Fast-electron-impact study on excitations of 4d electron of xenon[J]. 中国物理B, 2015, 24(12): 123401-123401.

Zhang Xin (张鑫), Liu Ya-Wei (刘亚伟), Peng Yi-Geng (彭裔耕), Xu Long-Quan (徐龙泉), Ni Dong-Dong (倪冬冬), Kang Xu (康旭), Wang Yang-Yang (王洋洋), Qi Yue-Ying (祁月盈), Zhu Lin-Fan (朱林繁). Fast-electron-impact study on excitations of 4d electron of xenon[J]. Chin. Phys. B, 2015, 24(12): 123401-123401.

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Fast-electron-impact study on excitations of 4d electron of xenon

Fast-electron-impact study on excitations of 4d electron of xenon

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