Two-channel high-pressure helium-3 scintillation neutron detector

被引：0

作者：

Arodzero, A ^{[1
]}

Bolozdynya, A ^{[1
]}

Bolotnikov, A ^{[1
]}

Proctor, A ^{[1
]}

Richards, J ^{[1
]}

机构：

[1] Constellat Technol Corp, Largo, FL USA

来源：

2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5 | 2004年

关键词：

D O I：

暂无

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

We have developed a two-channel, high-pressure He-3 gas scintillation detector that operates in coincidence mode. The detector consists of two 16-mm diameter avalanche photodiodes viewing a 7-mm gap between them and mounted inside a stainless steel shell with 1.5-mm thick input windows. The gap is filled with a He-3+0.5%Xe gas mixture pressurized at 35 bar. The detector rejects signals generated by radiation interacting directly with the photodiodes and works as a "wall-less" detector, sensitive to interactions occurring only in the gas. The detector demonstrates axial and radial position sensitivity to thermal neutrons within the gap between photodiodes. The position sensitivity is observed in good agreement with computer simulations. Applications are discussed.

引用

页码：687 / 691

页数：5

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