Experimental cross sections for electron excitation of the 2s 2S→2p 2P transition in C3+

被引：21
|
作者：
Greenwood, JB
Smith, SJ
Chutjian, A
Pollack, E
机构：
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[2] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
来源：
PHYSICAL REVIEW A | 1999年 / 59卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.59.1348
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Experimental cross sections are reported for electron excitation of the allowed 2s S-2 --> 2p P-2 transition in C3-. Center-of-mass energies an from below threshold (7.00 eV). through threshold (8.00 eV), and up to approximately 1.5 times the threshold (12 eV). The present results an found to overlap earlier energy-loss data reported to energies of 8.45 eV. The data are also compared with other optical-emission results for this dipole-allowed transition and with several theoretical calculations. An ''electronic aperture'' is described that allows discrimination against elastically scattered electrons, with their larger Larmor radii, in experiments with magnetically confined ions or electrons. [S1050-2947(99) 10202-6].
引用
收藏
页码：1348 / 1354
页数：7
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