A high pressure xenon-filled multiwire proportional chamber

Changquan Shen; Peiruo Shen; Zongnan Ye; Renyong Yuan; Xiaonan Li

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A high pressure xenon-filled multiwire proportional chamber

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- A high pressure xenon-filled multiwire proportional chamber
- Nuclear Techniques Vol. 10, Issue 6, (1987)
- 作者机构：
  
  1.中国科学院高能物理研究所
  2.郑州大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：19 December 1986，
  
  Published：1987-06
- 稿件说明：
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Changquan Shen, Peiruo Shen, Zongnan Ye, et al. A high pressure xenon-filled multiwire proportional chamber[J]. Nuclear techniques, 1987, 10(6): 5-6,12,59.
DOI：

Changquan Shen, Peiruo Shen, Zongnan Ye, et al. A high pressure xenon-filled multiwire proportional chamber[J]. Nuclear techniques, 1987, 10(6): 5-6,12,59. DOI：

摘要

研制了一个高气压充氙多丝正比室。其灵敏面积近700cm

，充以3个大气压的氙－甲烷混合气体（95%Xе+5%CH

），可探测10—200keV的硬X射线。对

241

Am的59.54keV X射线，单丝能量分辨率（

FWHM

)10%，全部阳极丝并联输出则为19%，对其29.8keV的逃逸峰则分别为17%和20%。在密封不流气状态下可工作数月而保持良好的能量分辨率。

Abstract

A high pressure xenon-filled muitiwire proportional chamber is described. It can be used as balloon-borne hard X-ray telescope or hard X-ray detector in other nuclear techniques over the energy range of 10 to 200 keV.

It has a sensitive area of 700 cm

with a filling gas of 95% Xe+5% CH

at 3 atomospheres pressure. Its energy resolution (FWHM) for single anode is 10% for 59.5 keV (

241

Am radiation source) and 19% for 29.8 keV (the escape peak of 59.5 keV photons in xenon)

and it becomes 17% and 20% respectively if all anodes are connected together. It can keep good energy resolution for three monthes after each gas purification.

关键词

Keywords

references

A. Bazzano et al. , Nucl. Instr. Meth. , 214 , 481 ( 1983 ).

周杰和刘荣光，核电子学与探测技术 , 5 , 3 , 154 ( 1985 )。

P. Ubcrtini et al. , Space Science Instrumentation , 5 , 237 ( 1981 ).

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