散裂中子源高气压二维位置灵敏<sup>3</sup>He探测器的实验研究

刘凌; 祁辉荣; 代洪亮; 温志文; 原之洋; 王海云; 张建; 欧阳群; 邵剑雄

doi:10.11804/NuclPhysRev.36.03.351

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散裂中子源高气压二维位置灵敏³He探测器的实验研究

刘凌, 祁辉荣, 代洪亮, 温志文, 原之洋, 王海云, 张建, 欧阳群, 邵剑雄

文章导航 > 原子核物理评论 > 2019 > 36(3): 351-356

刘凌, 祁辉荣, 代洪亮, 温志文, 原之洋, 王海云, 张建, 欧阳群, 邵剑雄. 散裂中子源高气压二维位置灵敏3He探测器的实验研究[J]. 原子核物理评论, 2019, 36(3): 351-356. doi: 10.11804/NuclPhysRev.36.03.351

引用本文:

刘凌, 祁辉荣, 代洪亮, 温志文, 原之洋, 王海云, 张建, 欧阳群, 邵剑雄. 散裂中子源高气压二维位置灵敏³He探测器的实验研究[J]. 原子核物理评论, 2019, 36(3): 351-356. doi: 10.11804/NuclPhysRev.36.03.351

LIU Ling, QI Huirong, DAI Hongliang, WEN Zhiwen, YUAN Zhiyang, WANG Haiyun, ZHANG Jian, OUYANG Qun, SHAO Jianxiong. Experimental Study on Two-dimensional Position Sensitive Detector Filled with Helium-3 for the China Spallation Neutron Source[J]. Nuclear Physics Review, 2019, 36(3): 351-356. doi: 10.11804/NuclPhysRev.36.03.351

Citation:

LIU Ling, QI Huirong, DAI Hongliang, WEN Zhiwen, YUAN Zhiyang, WANG Haiyun, ZHANG Jian, OUYANG Qun, SHAO Jianxiong. Experimental Study on Two-dimensional Position Sensitive Detector Filled with Helium-3 for the China Spallation Neutron Source[J]. Nuclear Physics Review, 2019, 36(3): 351-356. doi: 10.11804/NuclPhysRev.36.03.351

散裂中子源高气压二维位置灵敏³He探测器的实验研究

doi: 10.11804/NuclPhysRev.36.03.351

刘凌^1,2,3,
祁辉荣^2,3,,
代洪亮^2,3,
温志文³,
原之洋^2,3,4,
王海云^2,3,4,
张建^2,3,
欧阳群^2,3,
邵剑雄¹

1.
兰州大学核科学与技术学院, 兰州 730000;
2.
核探测与核电子学国家重点实验室, 北京 100049;
3.
中国科学院高能物理研究所, 北京 100049;
4.
中国科学院大学, 北京 100049

基金项目: 国家自然科学基金资助项目（11675197，11775242）

详细信息

作者简介:
刘凌(1993-),男,湖北钟祥人,学生,硕士,从事核技术及应用研究;E-mail:liuling@ihep.ac.cn

通讯作者: 祁辉荣,E-mail:qihr@ihep.ac.cn。

中图分类号: O571.53

Experimental Study on Two-dimensional Position Sensitive Detector Filled with Helium-3 for the China Spallation Neutron Source

LIU Ling^1,2,3,
QI Huirong^{2,3
,},
DAI Hongliang^2,3,
WEN Zhiwen³,
YUAN Zhiyang^2,3,4,
WANG Haiyun^2,3,4,
ZHANG Jian^2,3,
OUYANG Qun^2,3,
SHAO Jianxiong¹

1.
School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;
2.
State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China;
3.
Institute of High Energy Physics of Chinese Academy of Sciences, Beijing 100049, China;
4.
University of Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Natural Science Fundation of China(11675197, 11775242)

摘要: 为满足中国散裂中子源多功能反射谱仪中子探测器的基本物理要求：有效面积达到200 mm×200 mm、探测效率大于50%（2Å）、位置分辨好于2 mm等，中国科学院高能物理研究所研制了³He高气压二维多丝正比室位置灵敏中子探测器。该探测器采用二维多丝室结构，腔体内充³He/C₃H₈（6 atm/2.5 atm）的组合气体。本文首先利用Am/Be中子源完成对探测器全面积均匀性测试，均匀性指标达到了95.1%；探测器在中国散裂中子源的20号束流线站安装后，对其进行了在束测量，通过飞行时间选取波长2.8Å的慢中子，测量了探测器二维位置分辨和二维成像性能。在X方向（垂直于阳极丝的方向）的位置分辨为0.99 mm，Y方向（平行于阳极丝的方向）的位置分辨为1.36 mm，探测器具有很好的二维位置分辨和二维成像能力。测量结果表明探测器满足反射谱仪的研制要求。
- 位置灵敏探测器 /
- 多丝正比室 /
- 二维成像 /
- 中子探测
Abstract: Aimed to the Multipurpose Reflectance spectrometer device(MR) physics requirements, which is that the active area with 200 mm×200 mm, the detection efficiency with more than 50% and the position resolution with better than 2 mm, for China Spallation Neutron Source (CSNS) in Dongguang, China. A ³He two-dimensional multi-wire proportional chamber position sensitive neutron detector has been developed by the Institute of High Energy Physics of the Chinese Academy of Sciences (IHEP, CAS). The high-pressure two-dimensional multiwire proportional chamber neutron detector filled with ³He/C₃H₈(6 atm/2.5 atm) mixture gases and the multiwire technology. Firstly, the detection uniformity was tested using the Am/Be neutron source in IHEP and the uniformity could reach to 95.1%. After assembled at #20 beam station in CSNS, the performance of the detector were studied under the neutron beam. Under the selection neutron beam with 2.8Å by the time of flight (TOF), the two-dimensional position resolution and two-dimensional imaging of the detector were measured. The position resolution is 0.99 mm in the X direction (perpendicular to the direction of the anode wire), 1.36 mm in the Y direction (parallel to the direction of the anode wire) and the two-dimensional imaging is clear to identity. The results show that the detector has a good resolution and two-dimensional imaging capability, and it could meet the physics requirements of Multipurpose Reflectance spectrometer device in CSNS.
- position sensitive detector /
- multi-wire proportional chamber /
- two-dimensional imaging /
- neutron detection

[1]	WANG Fangwei, LIANG Tianjiao, YIN Wen, et al. SCIENCE CHINA Physics, Mechanics Astronomy, 2013, 56(12):2410.
[2]	ZUO Taisen, CHENG Hesheng, CHEN Yuanbo, et al. Chinese Physics C, 2016, 40(7):076204.
[3]	TAN Zhixin, TANG Jingyu, JING Hantao, et al. Nucl Instr and Meth A, 2018, 889:122.
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散裂中子源高气压二维位置灵敏³He探测器的实验研究

doi: 10.11804/NuclPhysRev.36.03.351

1. 兰州大学核科学与技术学院, 兰州 730000;

2. 核探测与核电子学国家重点实验室, 北京 100049;

3. 中国科学院高能物理研究所, 北京 100049;

4. 中国科学院大学, 北京 100049

基金项目: 国家自然科学基金资助项目（11675197，11775242）

作者简介:
刘凌(1993-),男,湖北钟祥人,学生,硕士,从事核技术及应用研究;E-mail:liuling@ihep.ac.cn

通讯作者: 祁辉荣,E-mail:qihr@ihep.ac.cn。

收稿日期: 2019-02-21
修回日期: 2019-03-27
刊出日期: 2019-09-20

中图分类号: O571.53

关键词:

摘要: 为满足中国散裂中子源多功能反射谱仪中子探测器的基本物理要求：有效面积达到200 mm×200 mm、探测效率大于50%（2Å）、位置分辨好于2 mm等，中国科学院高能物理研究所研制了³He高气压二维多丝正比室位置灵敏中子探测器。该探测器采用二维多丝室结构，腔体内充³He/C₃H₈（6 atm/2.5 atm）的组合气体。本文首先利用Am/Be中子源完成对探测器全面积均匀性测试，均匀性指标达到了95.1%；探测器在中国散裂中子源的20号束流线站安装后，对其进行了在束测量，通过飞行时间选取波长2.8Å的慢中子，测量了探测器二维位置分辨和二维成像性能。在X方向（垂直于阳极丝的方向）的位置分辨为0.99 mm，Y方向（平行于阳极丝的方向）的位置分辨为1.36 mm，探测器具有很好的二维位置分辨和二维成像能力。测量结果表明探测器满足反射谱仪的研制要求。

English Abstract

Experimental Study on Two-dimensional Position Sensitive Detector Filled with Helium-3 for the China Spallation Neutron Source

1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;

2. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China;

3. Institute of High Energy Physics of Chinese Academy of Sciences, Beijing 100049, China;

4. University of Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Natural Science Fundation of China(11675197, 11775242)

Received Date: 2019-02-21
Rev Recd Date: 2019-03-27
Publish Date: 2019-09-20

Keywords:

Abstract: Aimed to the Multipurpose Reflectance spectrometer device(MR) physics requirements, which is that the active area with 200 mm×200 mm, the detection efficiency with more than 50% and the position resolution with better than 2 mm, for China Spallation Neutron Source (CSNS) in Dongguang, China. A ³He two-dimensional multi-wire proportional chamber position sensitive neutron detector has been developed by the Institute of High Energy Physics of the Chinese Academy of Sciences (IHEP, CAS). The high-pressure two-dimensional multiwire proportional chamber neutron detector filled with ³He/C₃H₈(6 atm/2.5 atm) mixture gases and the multiwire technology. Firstly, the detection uniformity was tested using the Am/Be neutron source in IHEP and the uniformity could reach to 95.1%. After assembled at #20 beam station in CSNS, the performance of the detector were studied under the neutron beam. Under the selection neutron beam with 2.8Å by the time of flight (TOF), the two-dimensional position resolution and two-dimensional imaging of the detector were measured. The position resolution is 0.99 mm in the X direction (perpendicular to the direction of the anode wire), 1.36 mm in the Y direction (parallel to the direction of the anode wire) and the two-dimensional imaging is clear to identity. The results show that the detector has a good resolution and two-dimensional imaging capability, and it could meet the physics requirements of Multipurpose Reflectance spectrometer device in CSNS.

引用本文:

Citation:

LIU Ling, QI Huirong, DAI Hongliang, WEN Zhiwen, YUAN Zhiyang, WANG Haiyun, ZHANG Jian, OUYANG Qun, SHAO Jianxiong. Experimental Study on Two-dimensional Position Sensitive Detector Filled with Helium-3 for the China Spallation Neutron Source[J]. Nuclear Physics Review, 2019, 36(3): 351-356. doi: 10.11804/NuclPhysRev.36.03.351