Two-dimensional imaging triple-GEM detector with resistive anode readout
被引:2
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作者:
Ju, X. D.
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State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Ju, X. D.
[1
,2
]
Dong, M. Y.
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机构:
State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
Univ Chinese Acad Sci, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Dong, M. Y.
[1
,2
,3
]
Zhao, Y. C.
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机构:
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Zhao, Y. C.
[2
]
Zhou, C. X.
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Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Zhou, C. X.
[2
]
Dong, J.
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机构:
State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Dong, J.
[1
,2
]
Zhao, Y. B.
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机构:
State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Zhao, Y. B.
[1
,2
]
Zhang, H. Y.
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State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
Zhang, H. Y.
[1
,2
]
OuYang, Q.
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机构:
State Key Lab Particle Detect & Elect, Beijing, Peoples R China
Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
Univ Chinese Acad Sci, Beijing, Peoples R ChinaState Key Lab Particle Detect & Elect, Beijing, Peoples R China
OuYang, Q.
[1
,2
,3
]
机构:
[1] State Key Lab Particle Detect & Elect, Beijing, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
[3] Univ Chinese Acad Sci, Beijing, Peoples R China
The resistive anode readout facilitates a good spatial resolution with a large reduction of the electronics channels. The application of such readout method on a 100 x 100 mm(2) triple-GEM detector is presented. The detector anode covers 88 x 88 mm(2) sensitive area and consists of 11 x 11 resistive cells with the cell dimension of 8 x 8 mm(2). The detector has been tested by using a Fe-55 source (5.9 keV) and an X-ray tube (8 keV). It is found that the spatial resolution (sigma) is about 120 mu m with the intrinsic detector response better than 100 mu m. The position nonlinearity of the whole sensitive area is better than 3%. The energy resolution for 5.9 keV X rays is around 20% (FWHM) and the gain nonuniformity between different cells is better than 7%. The detector shows a quite good 2D imaging performance as well. Especially, the detector costs only half of the number of the electronics channels compared with that using the 2D strip readout.