High-rate particle identification of high-energy heavy ions using a tilted electrode gas ionization chamber

被引:61
|
作者
Kimura, K
Izumikawa, T
Koyama, R
Ohnishi, T
Ohtsubo, T
Ozawa, A
Shinozaki, W
Suzuki, T
Takahashi, M
Tanihata, I
Yamaguchi, T
Yamaguchic, Y
机构
[1] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan
[2] Niigata Univ, Radioisotape Ctr, Niigata 9518510, Japan
[3] Niigata Univ, Dept Phys, Niigata 9502181, Japan
[4] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
关键词
gas ionization chamber; heavy ion; particle identification;
D O I
10.1016/j.nima.2004.08.100
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A high-rate particle identification device for high-energy heavy ions has been developed which utilizes a stacked configuration of grid-less parallel plate gas ionization chambers with thin anode-cathode gaps. The high-rate capability of this chamber was realized by adopting bipolar shaping of anode signals and by the suitable choice of a counter gas. Z-resolutions of 0.2-0.3 were obtained for nuclear fragments of Ar-40 at 95 A MeV with an intensity as high as 10(6) cps. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:608 / 614
页数:7
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