A discussion about cosmic ray mass test method of MRPC

WANG Yi; CHENG Jian-Ping; LI Yuan-Jing; LAI Yong-Fang; YUE Qian; LI Jin; JIA Huai-Mao

Chinese Physics C> 2006, Vol. 30> Issue(7) : 655-659

A discussion about cosmic ray mass test method of MRPC

Department of Engineering Physics, Tsinghua University, Beijing 100084, China

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Abstract：
From the test results of 33 Multi-gap Resistive Plate Chamber (MRPC) modules, we studied the correlation between the average signal amplitude and the time resolution. The average amplitude depends on the gas multiplication operation mode which determines the time resolution. The fluctuation of time resolution measurements with the number of events collected by the chambers is also discussed. This analysis will help to set the control limits to select the chambers with required time resolution in mass production.

References

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. Akindinov A, Anselmo F et al. Nucl. Instrum. Methods,2000, A456: 16-222. Zeballos E C, Crotty I et al. Nucl. Instrum. Methods, 1996,A381: 569-5723. SHAO M, RUAN L J et al. Nucl. Instrum. Methods, 2002,A492: 344-3504. The STAR TOF Collaboration. Technical Design Updateto Proposal for a Large Area Time of Flight System forSTAR. Aug.16, 20055. WANG Yi, CHENG Jian-Ping et al. Nucl. Instrum. Meth-ods, 2005, A537: 698-7026. WANG Yi, LI Yuan-Jing et al. Nucl. Instrum. Methods,2005, A538: 425-4307. Geurts F, SHAO M, Bonner B et al. Nucl. Instrum. Methods, 2004, A533: 60-64

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WANG Yi, CHENG Jian-Ping, LI Yuan-Jing, LAI Yong-Fang, YUE Qian, LI Jin and JIA Huai-Mao. A discussion about cosmic ray mass test method of MRPC[J]. Chinese Physics C, 2006, 30(7): 655-659.

WANG Yi, CHENG Jian-Ping, LI Yuan-Jing, LAI Yong-Fang, YUE Qian, LI Jin and JIA Huai-Mao. A discussion about cosmic ray mass test method of MRPC[J]. Chinese Physics C, 2006, 30(7): 655-659. shu

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Received: 2005-09-21
Revised: 2005-11-28

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沈阳化工大学材料科学与工程学院沈阳 110142

A discussion about cosmic ray mass test method of MRPC

Corresponding author: WANG Yi,

Department of Engineering Physics, Tsinghua University, Beijing 100084, China

Received Date: 2005-09-21
Accepted Date: 2005-11-28
Available Online: 2006-07-05

Abstract: From the test results of 33 Multi-gap Resistive Plate Chamber (MRPC) modules, we studied the correlation between the average signal amplitude and the time resolution. The average amplitude depends on the gas multiplication operation mode which determines the time resolution. The fluctuation of time resolution measurements with the number of events collected by the chambers is also discussed. This analysis will help to set the control limits to select the chambers with required time resolution in mass production.