A position resolution MRPC for muon tomography

FAN Xing-Ming; WANG Yi; WANG Xue-Wu; ZENG Zhi; ZENG Ming; ZHAO Zi-Ran; CHENG Jian-Ping

doi:10.1088/1674-1137/38/4/046003

Chinese Physics C> 2014, Vol. 38> Issue(4) : 046003 DOI: 10.1088/1674-1137/38/4/046003

A position resolution MRPC for muon tomography

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Abstract：
Muon tomography is a promising method in the detection and imaging of high Z material. In general, considering the quality of track reconstruction in imaging, a detector of good position resolution, high efficiency and large area is required. This paper presents the design and study of a prototype of position sensitive MRPC with 0.15 mm narrow gas gap and 2.54 mm strip readout. Through a cosmic-ray experiment, the performance of MRPC module is carefully observed and each channel is calibrated. Through an X ray experiment with a narrow slit, the position resolution is studied. The results show that the time resolution of the module can reach 61ps and the spatial resolution can reach 0.36 mm.

References

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Hatzifotiadou D. Nucl. Instrum. Methods A, 2003, 502: 123[2] Akindinov A et al. Nucl. Instrum. Methods A, 2004, 533: 74[3] Akindinov A et al. Nucl. Instrum. Methods A, 2009, 602: 709[4] Bonner B et al. Nucl. Instrum. Methods A, 2002, 478: 176[5] Bonner B et al. Nucl. Instrum. Methods A, 2003, 508: 181[6] WANG Yi et al. Nucl. Instrum. Methods A, 2010, 613: 200[7] Crottya I et al. Nucl. Instrum. Methods A, 2003, 505: 203[8] Francke T et al. Nucl. Instrum. Methods A, 2003, 508: 83[9] Petrovici M. High Counting Rate, Differential, Strip Read-Out, Multi Gap, Timing RPC, XI Workshop on Resistive Plate Chambers and Related Detectors, INFN, 2012[10] HAN Liang. Thin-Gap RPC Study for ATLAS L1Muon Upgrade, XI Workshop on Resistive Plate Chambers and Related Detectors, INFN. 2012[11] Belver D. IEEE Transactions on Nuclear Science, 2010, 57(5): 2848[12] Sauli F. Principles of Gas Detectors. KEK March 14. 2009

[1] GUO Yun-Jun , HE Kang-Lin . Muon Identification Using the Efficiencies Ratio Method at BESⅡ. Chinese Physics C, 2007, 31(11): 1050-1055.
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FAN Xing-Ming, WANG Yi, WANG Xue-Wu, ZENG Zhi, ZENG Ming, ZHAO Zi-Ran and CHENG Jian-Ping. A position resolution MRPC for muon tomography[J]. Chinese Physics C, 2014, 38(4): 046003. doi: 10.1088/1674-1137/38/4/046003

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Received: 2013-06-04
Revised: 2013-11-11

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

A position resolution MRPC for muon tomography

Corresponding author: WANG Yi,

Received Date: 2013-06-04
Accepted Date: 2013-11-11
Available Online: 2014-04-05

Abstract: Muon tomography is a promising method in the detection and imaging of high Z material. In general, considering the quality of track reconstruction in imaging, a detector of good position resolution, high efficiency and large area is required. This paper presents the design and study of a prototype of position sensitive MRPC with 0.15 mm narrow gas gap and 2.54 mm strip readout. Through a cosmic-ray experiment, the performance of MRPC module is carefully observed and each channel is calibrated. Through an X ray experiment with a narrow slit, the position resolution is studied. The results show that the time resolution of the module can reach 61ps and the spatial resolution can reach 0.36 mm.