State-selective electron capture by state-prepared N2+ (P-2) ions in collisions with molecular hydrogen

被引：7
|
作者：
Burns, D
Greenwood, JB
McCullough, RW
Geddes, J
Gilbody, HB
机构：
[1] Dept. of Pure and Applied Physics, Queen's University of Belfast, Belfast
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1997年 / 30卷 / 09期
关键词：
D O I：
10.1088/0953-4075/30/9/006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The technique of double translational energy spectroscopy (DTES) has been used to study state-selective electron capture by pure beams of ground state N2+ 2S(2)2p(P-2) ions for the first time. The main collision channels have been identified and their relative importance assessed in measurements of one-electron capture by N2+ 2s(2)2p(P-2) ions in collisions with H-2 at energies of 1.75, 4, 6 and 8 keV. These new results help to resolve discrepancies and serious ambiguities in the interpretation of previous measurements carried out with N2+ beams containing unknown fractions of metastable ions.
引用
收藏
页码：L323 / L328
页数：6
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