A two-dimensional gas detector with individual readouts for neutron detection with a high spatial resolution and fast temporal response

被引：9
|
作者：
Tanaka, H [1 ]
Nakamura, T [1 ]
Yamagishi, H [1 ]
Soyama, K [1 ]
Aizawa, K [1 ]
机构：
[1] Neutron Sci Res Ctr, Japan Atom Energy Res Inst, Naka, Ibaraki 3191195, Japan
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2005年 / 76卷 / 09期
关键词：
D O I：
10.1063/1.2037967
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A gaseous neutron-imaging detector with individual signal readouts was developed for a high spatial resolution and a fast temporal response. The system comprises a multiwire head, a gas chamber with 541 channels, fast amplifier-shaper-discriminator boards, a logic circuit for position calculation and encoding, and a fast data-acquisition system. The developed prototype detector incorporating 40x40 channels exhibited a temporal response of similar to 100 ns (pulse width of the amplified signal) and a spatial resolution of 0.9 and 1.4 mm (full width at half maximum) in the x- and y-directions, respectively, with a gas pressure of 4.2-atm helium with 1.8-atm CF4. (c) 2005 American Institute of Physics.
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页数：4
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