A New Type Time Measurement Detector──Multigap Resistive Plate Chamber

CHEN Hong-Fang; LI Cheng; WANG Xiao-Lian; SHAO Ming; XU Zi-Zong; WANG Zhao-Min; HUANG Sheng-Li; RUAN Li-Juan; YE Shu-Wei; WU Jian; ZHANG Zi-Ping; ZENG Hui

Chinese Physics C> 2002, Vol. 26> Issue(3) : 201-206

A New Type Time Measurement Detector──Multigap Resistive Plate Chamber

Department of Modern Physics,University of Science and Technology of China, Hefei 230027, China

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Abstract：
The structure and working principle of a six-gap resistive plate chamber is discussed. A π-beam with a momentum of 7GeV/c is used to test this detector,and a time resolution between 60 and 70ps is obtained. The detection efficiency is greater than 97%. In the test with a 3GeV/c beam of positive particles,this detector got a clear separation between p/π particles.

References

[1]

. Zebballos E C, Crotty I, Hatzifotiadou D et al. CERN PP/95—166 2. Zebballos E C, Choi J, Hatzifotiadou D et al. Nucl. Inst. Methods, 1999, A434: 362—3723. Spegel M. Nucl. Inst. Methods, 2000, A453: 308—3144. LI Cheng, WU Jian, WANG Xiao-Lian et al. HEP NP, 2001, 25(9): 936(in Chinese)(李澄, 伍健, 汪晓莲等. 高能物理与核物理, 2001, 25(9): 936) 5. Zebballos E C, Hatzifotiadou D, Kim D W etal. Nucl. Inst. Methods, 1998, A419: 475—478

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CHEN Hong-Fang, LI Cheng, WANG Xiao-Lian, SHAO Ming, XU Zi-Zong, WANG Zhao-Min, HUANG Sheng-Li, RUAN Li-Juan, YE Shu-Wei, WU Jian, ZHANG Zi-Ping and ZENG Hui. A New Type Time Measurement Detector──Multigap Resistive Plate Chamber[J]. Chinese Physics C, 2002, 26(3): 201-206.

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Received: 2001-09-13
Revised: 1900-01-01

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