Autoionization cross section of Rb atoms excited by low-energy electron impact

被引：0
|
作者：
Borovik, A. [1 ]
Ilyashevytch, V. [1 ]
Kupliauskiene, A. [2 ]
机构：
[1] Inst Electron Phys, Dept Electron Proc, UA-88017 Uzhgorod, Ukraine
[2] Vilnius Univ, Inst Theoret Phys & Astron, LT-01108 Vilnius, Lithuania
来源：
XXVII INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC 2011), PTS 1-15 | 2012年 / 388卷
关键词：
EXCITATION;
D O I：
10.1088/1742-6596/388/4/042010
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The autoionization cross section of rubidium atoms excited by electrons in the energy range from the 4p(6) lowest autoionization threshold to 30 eV was investigated for the first time. The data were obtained by summarizing the normalized intensities of lines in ejected-electron spectra measured at 54.7 degrees observation angle. By analyzing the calculated energies, decay rates and excitation cross sections for the lowest autoionizing configurations it was found that the two dominant maxima of the cross section at 16 and 25 eV represent contributions from 4p(5)5s(2) doublet and 4p(5)5s(5)p, 4d5s, 4d(2) quartet autoionizing levels, respectively. A comparison of the data is made with the ionization cross section of rubidium atoms by electron impact.
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页数：1
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