Collisional induced double electron loss of NO- and CH4- anions below 10 keV energies

被引：4
|
作者：
Hernandez, E. M. [1 ,2 ]
Hernandez, L. [1 ]
Serkovic-Loli, L. N. [1 ]
Hinojosa, G. [1 ,3 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Ciencias Fis, AP 48-3, Cuernavaca 62251, Morelos, Mexico
[2] Univ Autonoma Estado Morelos, Fac Ciencias, Cuernavaca 62209, Morelos, Mexico
[3] Univ Nevada, Dept Phys, Reno, NV 89557 USA
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2016年 / 403卷
关键词：
Double electron detachment; Molecular anions; Cross sections; DETACHMENT CROSS-SECTIONS; NEGATIVE-IONS; HYDROGEN; ATOMS;
D O I：
10.1016/j.ijms.2016.01.010
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：
Double electron detachment cross sections for methane and nitric oxide negative ions passing through oxygen and nitrogen gas targets have been studied in the energy ranges of 2.0-10.0 keV for CH41 and 4.0-10.0 keV for NO-. The signal growth rate method was employed. Fragmentation was only observed for NO- anions colliding with both targets. In the case of CH4- anions no fragmentation was observed. The double electron detachment cross sections for methane ions is almost one order of magnitude larger than the one for nitric oxide ions. The fragmentation cross -sections for NO- is larger than the double electron detachment cross sections. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：39 / 42
页数：4
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