Measurement of carbon cluster charge state passing through thin foils using a luminance plate

被引：10

作者：

Chiba, A ^{[1
]}

Saitoh, Y ^{[1
]}

Tajima, S ^{[1
]}

机构：

[1] Japan Atom Energy Res Inst, Takasaki Radiat Chem Res Estab, Takasaki, Gumma 3701292, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2005年 / 232卷

关键词：

carbon cluster; Coulomb explosion imaging; cluster-structure; average charge state; luminance plate; image picture;

D O I：

10.1016/j.nimb.2005.03.021

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A measurement system based on Coulomb explosion imaging for analyzing the structure of small carbon clusters has been developed. A cluster ion accelerated to the MeV energy region passed through thin foil, and the fragment atoms exploded with Coulomb repulsion were detected with a luminance screen detector. The trace image of the fragment atoms on the screen of the detector monitored by the CCD camera was downloaded as digital data to a hard disc. In preliminary experiments, both chain and ring structures were observed for C-3 and C-6, respectively. In addition, we measured the average charge states of constituent atoms of the carbon cluster after it passed through the thin foil; these charges are related to the cluster structure. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：32 / 36

页数：5

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