Discriminating cosmic muons and X-rays based on rise time using a GEM detector

Hui-Yin Wu; Sheng-Ying Zhao; Xiao-Dong Wang; Xian-Ming Zhang; Hui-Rong Qi; Wei Zhang; Ke-Yan Wu; Bi-Tao Hu; Yi Zhang

doi:10.1088/1674-1137/40/8/086001

Chinese Physics C> 2016, Vol. 40> Issue(8) : 086001 DOI: 10.1088/1674-1137/40/8/086001

Discriminating cosmic muons and X-rays based on rise time using a GEM detector

1.
School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
2.
School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
3.
State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China

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Abstract：
Gas electron multiplier (GEM) detectors have been used in cosmic muon scattering tomography and neutron imaging over the last decade. In this work, a triple GEM device with an effective readout area of 10 cm × 10 cm is developed, and a method of discriminating between cosmic muons and X-rays based on rise time is tested. The energy resolution of the GEM detector is tested by ⁵⁵Fe ray source to prove the GEM detector has a good performance. Analysis of the complete signal-cycles allows us to get the rise time and pulse heights. The experiment result indicates that cosmic muons and X-rays can be discriminated with an appropriate rise time threshold.
- gas electron multiplier ,
- cosmic muon ,
- X-ray ,
- rising time ,
- discrimination

References

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Hui-Yin Wu, Sheng-Ying Zhao, Xiao-Dong Wang, Xian-Ming Zhang, Hui-Rong Qi, Wei Zhang, Ke-Yan Wu, Bi-Tao Hu and Yi Zhang. Discriminating cosmic muons and X-rays based on rise time using a GEM detector[J]. Chinese Physics C, 2016, 40(8): 086001. doi: 10.1088/1674-1137/40/8/086001

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Received: 2015-12-08
Revised: 2016-01-28

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Supported by National Natural Science Foundation of China (11135002, 11275235, 11405077, 11575073)

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Discriminating cosmic muons and X-rays based on rise time using a GEM detector

Corresponding author: Yi Zhang,

1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
2. School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
3. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, China

Received Date: 2015-12-08
Accepted Date: 2016-01-28
Available Online: 2016-08-05

Fund Project: Supported by National Natural Science Foundation of China (11135002, 11275235, 11405077, 11575073)

Abstract: Gas electron multiplier (GEM) detectors have been used in cosmic muon scattering tomography and neutron imaging over the last decade. In this work, a triple GEM device with an effective readout area of 10 cm × 10 cm is developed, and a method of discriminating between cosmic muons and X-rays based on rise time is tested. The energy resolution of the GEM detector is tested by ⁵⁵Fe ray source to prove the GEM detector has a good performance. Analysis of the complete signal-cycles allows us to get the rise time and pulse heights. The experiment result indicates that cosmic muons and X-rays can be discriminated with an appropriate rise time threshold.