Multiple ionization and fragmentation of CH4 in collisions with slow highly charged ions

被引：16
|
作者：
Werner, U [1 ]
Siegmann, B
Lebius, H
Huber, B
Lutz, HO
机构：
[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany
[2] CIRIL, F-14070 Caen 05, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2003年 / 205卷
关键词：
ion-molecule collision; multiple ionization; fragmentation methane; kinetic energy release; highly charged ions;
D O I：
10.1016/S0168-583X(03)00544-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The multiple ionization and fragmentation of methane was studied in collisions with slow highly charged Xe-ions utilizing a position- and time-sensitive multi-particle detector. The coincident measurement of the momenta of correlated fragment ions allows a detailed analysis of the fragmentation kinematics and the kinetic energy release can be derived for each break-up into charged fragments. Among the observed processes the spectra for H+ + CH3+ and H-2(-) + CH2-, showed the highest sensitivity to projectile characteristics. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：639 / 642
页数：4
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