Infrared induced electron detachment from negatively charged helium nanodroplets

被引：2
|
作者：
Kim, C
Northby, JA
机构：
[1] Departmcnt of Physics, University of Rhode Island, Kingston
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷
关键词：
D O I：
10.1007/BF02569603
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A beam of helium nanodroplets, produced by fragmentation in a low entropy supersonic expansion, is negatively charged by low energy electron impact. After a flight time of several milliseconds, it passes through a weak transverse field above an electron multiplier. A spontaneous electron detachment signal from the nanodroplets is observed, which can be increased by infrared light. Possible mechanisms for these processes will be discussed in terms of droplet structural models.
引用
收藏
页码：375 / 376
页数：2
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